DMN AL Series Installation, Operating And Maintenance Manual
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DMN AL Series Installation, Operating And Maintenance Manual

Rotary valves
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Rotary Valves
Outboard Bearings
Installation, Operating and Maintenance Manual
Language: English
Original English version
Document number: RV-01-00-EN, revision: 5.0.0
Series:
AL-AXL-AML-USAL-AR-NR / GL / BL-BXL-BXXL

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  • Page 1 Rotary Valves Outboard Bearings Installation, Operating and Maintenance Manual Language: English Original English version Document number: RV-01-00-EN, revision: 5.0.0 Series: AL-AXL-AML-USAL-AR-NR / GL / BL-BXL-BXXL...
  • Page 2 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 DMN-WESTINGHOUSE rotary valves have a well-established reputation for being able to handle powders and granular products from all industries, such as dairy, food, pharma, plastics and chemicals. We supply cast iron, aluminium and stainless steel valves in a range of executions, depending on the materials to be handled.

  • Page 3: Foreword

    • Keep the manual in a dry, safe and convenient place for all relevant personnel. • Keep all security marks on the DMN-WESTINGHOUSE product visible; replace them if necessary. 1.2 How to work with this manual This manual is written for the rotary valves with outboard bearings.

  • Page 4: Revision Service

    Please contact DMN-WESTINGHOUSE if the desired information is not clear or comprehensive! (Refer to Contact information) 1.3 Revision service Future changes to this manual by DMN-WESTINGHOUSE will be updated as required by revisions. The revision number consists of a three-part code: Change related to ATEX Changes in general Improvements Change related to ATEX All changes related to ATEX, no matter how small the change is.

  • Page 5: Table Of Contents

    2 Contents 1 Foreword Responsibilities for owner and user ....... . . How to work with this manual .
  • Page 6 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.5.2.1 Intended use ........5.5.2.2 Special conditions (X conditions) .
  • Page 7 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.13.5 USDA ..........5.13.6 .
  • Page 8 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 First time start up ..........Cleaning .
  • Page 9 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.6.2.1 Non-drive side ........127 11.6.2.2 Drive side .

  • Page 10: Terms And Definitions

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.15.2 Rotor adjustment standard executions ......203 11.15.2.1 Rotor with fixed blades .

  • Page 11: Applicable Documents

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 CE Conformité Européenne EAC EurAsian Conformity EC European Commission EHEDG European Hygienic Engineering & Design Group Eq Equipment (ATEX-Approval) FDA Food and Drug Administration HT High Temperature IOM-Manual Installation, Operation and Maintenance - Manual USDA United States Department of Agriculture 2.2 Applicable documents The applicable documents are stated on the sales order confirmation.

  • Page 12: Preface

    3 Preface 3.1 Intended and non-intended use of the product Operation and maintenance of DMN-WESTINGHOUSE products must be carried out in accordance with the instructions given in this manual. Materials to be handled during operation must comply with material specifi- cation in the sales order confirmation.

  • Page 13: Contact Information

    4 Contact information DMN-WESTINGHOUSE has a network of offices and distributors around the globe. For your nearest office or distributor please see our contact page on the website: www.dmnwestinghouse.com/nl/contact Where there is no dedicated office or distributor for your location, please contact our head office.

  • Page 14: Product Information

    5 Product information 5.1 General working principle rotary valve Rotary airlock valves are also called rotary feeders or rotary valves. The main purpose of a rotary valve is to maintain a pressure differential between inlet and outlet. Rotary valves are used in conveying systems to dose and feed solid bulk products (powder orgranular) within processes.

  • Page 15: Identification

    The standard rotary valve is equipped with a name plate which describes: 1) DMN-WESTINGHOUSE unit type 2) Serial number rotary valve 3) Rotor speed 4) DMN order no. 5) Client order no. Fig. 4 Name plate (standard product) 5.2. Identification...

  • Page 16: Type Designation

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.2.2 Type designation The type designation consists of a five-part code. 5.2.2.1 Type designation (AL-series/BL-series/AML-series/GL-series/BL-series) For example Type Airlock AML Size ∅ 150 mm or □ 150 mm inlet size Execution Stainless steel Additional High Temperature 250°C ATEX ATEX-Approval Autonomous Protective System (APS) For the explanation of the available types, sizes, materials and executions, we refer to the...
  • Page 17 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 350 350 mm 500 500 mm 400 400 mm 450 450 mm Execution Cast Iron 4TS Cast Iron - Tungsten coated 5 Aluminium Stainless Steel Dairy Stainless steel Cast Iron - complete Nickel plated Dairy-WD Stainless steel Cast Iron - Internals Chrome plated Dairy-EL I Stainless steel...

  • Page 18: Overview Codes Of Ar-Series

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.2.2.3 Overview codes of AR-series Types Sizes Execution Additional ATEX (in- & outlet □) Types AR Airlock AR Sizes 300 In- & outlet 200x150mm 625 In- & outlet 250x250mm 400 In- & outlet 200x200mm Execution 2 Stainless Steel Additional...

  • Page 19: Overview Codes Of Nr-Series

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.2.2.4 Overview codes of NR-series Types Sizes Execution Additional ATEX (in- & outlet ∅/□) Types NR Airlock NR Sizes 347 Inlet 347mm; Outlet 355x250mm Execution 2 Stainless Steel Dairy-EL I Stainless Steel Dairy Stainless Steel Dairy-WD Stainless Steel Additional - Standard...

  • Page 20: Name Plate (Atex Certified Products)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.2.3 Name plate (ATEX certified products) The ATEX certified rotary valve is equipped with a specific name plate giving additional ATEX information. 1) DMN-WESTINGHOUSE unit type 2) Order no. 3) Order no. client 4) Product temperature (max.

  • Page 21: Standard Executions & Specifications

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Code /symbol Description Ex Mark for equipment in explosive atmospheres Above ground industry 1/2 D Internal zone 20 (it can also be used for zone 21, 22) External zone 21 (it can also be used for zone 22) 1/2 G Internal zone 0 (it can also be used for zone 1, 2) External zone 1 (it can also be used for zone 2)

  • Page 22: Al-Series (Al/Axl)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.3.1 AL-series (AL/AXL) AL/AXL rotary valves handle solid products. The AXL rotary valve is adjusted with an extra enlarged inlet. Product falls into the inlet and leaves the rotary valve at the outlet. Outlet can be connected to a dropout box to feed a pneumatic conveying line.

  • Page 23: Aml-Series (Based On Al-Series)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.3.2 AML-series (based on AL-series) AML rotary valves handle solid products. Inlet/outlet is round/square or square/round as specified in the order. Product falls into the inlet and leaves the rotary valve at the outlet.

  • Page 24: Usal-Series (Based On Al-Series)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.3.3 USAL-series (based on AL-series) USAL rotary valves handle solid products. Inlet / outlet is square / square. Product falls into the inlet and leaves the rotary valve at the outlet. Outlet can be connected to a dropout box to feed a pneumatic conveying line.

  • Page 25: Gl-Series (Based On The Al-Series)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.3.4 GL-series (based on the AL-series) GL rotary valves handle solid granular products. Product falls into the inlet and leaves the rotary valve at the outlet. Outlet can be connected to a dropout box to feed a pneumatic conveying line.

  • Page 26: Bl-Series (Bl/Bxl/Bxxl)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.3.5 BL-series (BL/BXL/BXXL) BL/BXL/BXXL rotary valves handle solid products and are used to feed a pneumatic conveying line. The BXL/BXXL ro- tary valves are adjusted with an enlarged inlet. Product falls into the inlet and leaves the rotary valve through the blow line.

  • Page 27: Ar-Series (Based On Al-Series)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Size type BL Size type BXL Size type BXXL LTR/Rev at 100% filling 10,5 5.3.6 AR-series (based on AL-series) AR rotary valves handle solid products. Product falls into the inlet and leaves the rotary valve at the outlet.

  • Page 28: Nr-Series (Based On Al-Series)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.3.7 NR-series (based on AL-series) NR rotary valves handle solid products. Product falls into the inlet and leaves the rotary valve at the outlet. Outlet can be connected to a dropout box to feed a pneumatic conveying line.

  • Page 29: High Temperature

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.4.1 High Temperature High Temperature rotary valves handle solid products. These models can handle products with high temperatures up to 250°C till 600°C depending on the chosen type of material. Fig. 13 AL-series Fig.

  • Page 30: Dairy

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.4.3 Dairy Dairy rotary valves handle solid products. These models are easily detachable, to enable the rotary valve to be opened/closed without dismantling the valve from the system. Dairy models are mostly identical to the easy detachable models but completely polished internally to meet the USDA standards and are EHEDG ED CLASS II certified (see chapter 5.6.1).

  • Page 31: Mzc-I

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 19 AL-series MZC Fig. 20 BL-series MZC 5.4.5 MZC-I MZC-I rotary valves handle solid products. These models are easily detachable, to enable the rotary valve to be opened/closed without dismantling the valve from the system. The MZC-I sliding rails will support the non-drive side end-cover and the rotor during the opening/closing procedure.

  • Page 32: Explosion Proof Rotary Valves

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 cover, including the drive during the opening/closing procedure. The MZC-II extraction mechanism makes it possible to rotate the rotor for inspection and cleaning when re- moved from body. Fig. 23 AL-series MZC-II Fig. 24 BL-series MZC-II 5.5 Explosion proof rotary valves For the specific version of this component, please consult the sales order confirmation, and parts list, which are both related to the serial number (refer to chapter...

  • Page 33: Temperature And Dust

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.5.1.3 Temperature and dust The plant operator must ensure that any possible dust accumulation does not exceed a maximum thickness of 5 mm as described in the standard EN-60079-14. EN 60079-14 ed.4 clause 5.6.3.3. Up to 5 mm thickness of the dust layer –...

  • Page 34: Special Conditions (X Conditions)

    If the surface temperature is higher than the listed on the nameplate, the rotary valve must be stopped immediately! Surpassing the maximum surface temperature listed on the nameplate is not permitted! If in doubt, please contact DMN-WESTINGHOUSE! In normal conditions the following surface and product temperatures are permitted: Metal rotor (blades) Maximum product temperature 250°C...

  • Page 35: Atex-Approval Autonomous Protective System (Aps)

    If the surface temperature is higher than the listed on the nameplate, the rotary valve must be stopped immediately! Surpassing the maximum surface temperature listed on the nameplate is not permitted! If in doubt, please contact DMN-WESTINGHOUSE! In normal conditions the following surface and product temperatures are permitted: Metal rotor (blades) Maximum product temperature 250°C...

  • Page 36: Specification Tables

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 where Pmax, Kst and MESG are the limiting values. The rotary valves have not been tested or ap- proved for use with metal dusts. The rotor types listed in the following tables refers to this range of ac- cepted rotors with specific requirements listed for each valve type.
  • Page 37 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Specifications AL Valve Type Valve size 200-250-300-350 150-175-200-250 300-350 400-450-500 Valve 1B, 2B, 3NB, 3CB, 1, 2N, 3N, 3C, 4C, 1, 2N, 3N, 3C, 4C, 4TCO, 1, 2, 3N, 3C, 4C, 4TCO, execution 4CB, 4TCOB 4TCO, 4TS, Dairy, 4TS, Dairy, Dairy-WD,...
  • Page 38 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Specifications AML/AXL/NR Valve type Valve size 150-200-250 300-350-400 200-250- 300-350 Valve execution 1, 2, 3N, 3C, 4C, 4TCO, 4TS, Dairy, Dairy-WD, Dairy-EL I 2, Dairy, Dairy-WD, Dairy-EL I Rotor type Daibi, Fixed vane, Adjustable Daibi, Fixed vane, Adjustable Daibi, Fixed vane, Adjustable blades, RC-closed end...

  • Page 39: Measurement Instructions

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 See measurement instructions 5.5.3.4 Measurement instructions Tip width measurement (TW*) Fig. 27 Rotor AL 400-450-500 Fig. 25 Adjustable blades Fig. 26 Fixed vane rotor Clearances measurement (CL*) 5.5. Explosion proof rotary valves...

  • Page 40: Hygienic Rotary Valves

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.6 Hygienic rotary valves The hygienic rotary valves are designed for the metering and pneumatic transport of products in powder or granular form in hygienic applications. The rotary valves can be mounted under/above a silo, mill, sifter, etc. Depending on type and execution the rotary valves can be used for pressure differentials up to 2 bar and product temperature up to 150°C.

  • Page 41: Usda Approved

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Certified shaft seals Airpurge shaft seals: • SAS seal (see chapter 5.9.3.1) • SAS-II seal (see chapter 5.9.3.2) Fig. 28 SAS seal Fig. 29 SAS-II seal Rotary valves must always be operated with an air purged shaft seal. To ensure proper functioning of the air purge seal, regular checks of the pressure drop over the seal should be carried out (see 10.2.6).
  • Page 42 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 USDA approved rotary valves Approved types and sizes Valve type Size BXXL Approved executions Execution Dairy (see chapter 5.4.3) • General assembly & part list Dairy (11.8.1) • General assembly & part list Dairy-WD units are suited for CIP cleaning (11.9.1) Approved rotor types Daibi Rotor (see chapter 5.8.1.6) Approved shaft seals...

  • Page 43: Body & End Covers

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Air purge with lip seal and lantern ring (see chapter 5.9.2.2) • SAS seal (see chapter 5.9.3.1) • SAS-II seal (see chapter 5.9.3.2) Fig. 30 Lip seal standard Fig. 31 Air purge with lip seal and lantern ring Fig.

  • Page 44: Rotors

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.8 Rotors For the specific version of this component, please consult the sales order confirmation, and parts list, which are both related to the serial number (refer to chapter Applicable documents). 5.8.1 Rotor options 5.8.1.1 Blades Number of blades Most rotors have nine blades.

  • Page 45: Pockets

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.8.1.2 Pockets Standard On this most basic blade design, the blades are welded to the axle. When a particularly hygienic solution is required, the welds are milled smooth. Reduced capacity A rotor with reduced capacity is used when a spec- ified throughput is required with a good level of accuracy.

  • Page 46: Rotor End Design

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.8.1.3 Rotor End Design Open end Normally open ended rotors are used in standard executions. Semi end disc Semi end disc prevents product erosion at the criti- cal point where the blades meet the axle. Full end disc A full end disc prevents the product from touching the wall of the housing.

  • Page 47: Shaft Ends

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.8.1.4 Shaft ends Standard The standard shaft end is applicable in a direct drive with a coupling configuration or with a chain drive. Shaft mounted The shaft end of a shaft mounted rotor is used in combination with a drive that is mounted directly on the shaft of the rotary valve.

  • Page 48: Daibi Rotor

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.8.1.6 Daibi rotor The Daibi is a hygienic stainless steel rotor with fixed-vanes, a radius ma- chined between the vanes (8, 9 or 10), and the blades are chamfered on three sides. All product-contact surfaces are machined and polished to 0.8 Ra.

  • Page 49: Packing Cord With Lubrication

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.9.1.2 Packing cord with lubrication Seal with packing cord and lubrication capability. No air needs to be connected. Fig. 42 Packing cord with lubrication 5.9.1.3 Packing cord with air purge and lantern ring Packing cord with air purge and lantern ring are used to keep the shaft area clean of product.

  • Page 50: Shaft Seals By Means Of Lip Seal

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.9.2 Shaft seals by means of lip seal 5.9.2.1 Lip seal standard Seal with standard lip seals. Lip seals standard is a robust con- struction, where no air needs to be connected. Suitable for applications with easy detachable rotor and dairy certified products.

  • Page 51: Lip Seal With St2 Air Purge

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.9.2.3 Lip seal with ST2 air purge Lip seals with ST2 air purge are seals with ST2 combustible dust classification. Fig. 46 Lip seal with ST2 air purge 5.9.2.4 Lip seal with air purge and grooved lantern ring Lip seals with air purge and grooved lantern ring are used to keep the shaft area clean of product.

  • Page 52: Lip Seal With Liquid Cleaning (Cip (Dairy-El I) Seal)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.9.2.5 Lip seal with liquid cleaning (CIP (Dairy-EL I) seal) Lip seals with liquid cleaning (CIP (Dairy-EL I) seal) are suitable for applications where the shaft sealing is automatically cleaned with a liquid. Fig.

  • Page 53: Air Purge With O-Ring (Sas-Ii Seal)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.9.3.2 Air purge with O-ring (SAS-II seal) Seals with air purge and O-rings (SAS-II seal) are suitable for applications with dairy certified products. Fig. 50 Air purge with O-ring (SAS-II seal) 5.10 Drives For the specific version of this component, please consult the sales order confirmation, and parts list, which are both related to the serial number (refer to chapter Applicable...

  • Page 54: Direct Drive (Parallel Shaft)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.10.2 Direct drive (parallel shaft) Direct drive with a parallel shaft is directly mounted to the rotor and has a compact design. Different rotor speeds can only be achieved by a gearbox or frequency controller. Fig.

  • Page 55: Safety Switch

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.11.1 Safety switch The safety switch is a mechanical make-break con- tact to detect that the end cover is removed from the body. Fig. 54 Safety switch 5.11.2 Zero speed indicator Zero speed indicator detects the number of rota- tions per minute.

  • Page 56: Pressure Regulator

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.11.3 Pressure regulator The pressure regulator is used to supply and adjust the air purge on the shaft with air. Fig. 56 Pressure regulator 5.11.4 Pulsating air execution The pulsating air execution is used to remove specific product more easily from the rotor pocket at the outlet of the valve.

  • Page 57: Flowmeter

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.11.5 Flowmeter The flowmeter detects the flow of air in volume to each air purge connection. Fig. 57 Flowmeter 5.11.6 Rotor Interference Detection (RID) The RID detects contact between rotor and stator due to wear, contamination or poor adjustment. The RID consists of either 2 or 3 components: •...

  • Page 58: Inlet Restrictor

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.12.1 Inlet restrictor The inlet restrictor will decrease the chance that granular product will get trapped between rotor blade and body at the inlet of the valve. Fig. 59 Inlet restrictor 5.12.2 Dropout box The dropout box connects the outlet of the rotary valve to a pneumatic conveying line.

  • Page 59: Air Vent Box

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.12.3 Air vent box The air vent box is used to lead excessive air leak- age from the inlet of the rotary valve back into the system. Fig. 61 Air vent box 5.13 Standard, guidelines and certification (optional) 5.13.1 CE Conformité...

  • Page 60: Ehedg

    Rotary valves that are EHEDG certified comply with the EHEDG guidelines. These hygienic rotary valves are certified as “EHEDG Type ED Class II”. The types and sizes of the certified DMN-WESTINGHOUSE rotary valves can be found in chapter 5.6.1.

  • Page 61: Eac

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 5.13.6 EAC EurAsian Conformity The EAC certification mark indicates that the rotary valves are compliant with the technical regulations of the Eurasian Customs Union. EAC marked rotary valves comply with the health, safety and environmental protection standards of the EAEU (Eurasian Economic Union). 5.13.

  • Page 62: Safety

    6 Safety 6.1 Safety rules Always follow the safety rules written by local law and/or defined by owner. Local safety rules must always be followed in the first instance. Please inform your supervisor should these rules contradict the safety warnings and signs given in this IOM-manual. 6.2 General safety instructions The safety instructions should be followed when: •...

  • Page 63: Warnings & Symbols In This Document

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 During installation, maintenance and repair work: • Perform installation, maintenance and repair work in accordance with the instructions given in this manual. After installation, maintenance and repair work: • Re-assemble all safety parts removed during work. •...

  • Page 64: Warnings & Symbols On The Product

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Additional important notes on explosion protection for ATEX-Approval Autonomous Protective System (APS) only! It is important to read the instruction. 6.4 Warnings & symbols on the product Meaning 1: Trapping (hand/hair/ clothes etc.) Meaning 2: Electrical shock Risk: Personal injury Location: Top of the rotary valve...

  • Page 65: Risks For Personal Injury

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Meaning: Mounting position of inlet restrictor Risk: Not functioning correctly Location: On inlet restrictor 6.5 Risks for personal injury 6.5.1 Electrocution Where When Precaution Warning sign Electrical motor (Electri- During maintenance Make sure the motor cal wiring) is disconnected from the power before any...

  • Page 66: Burns

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 6.5.4 Burns Where Where Precaution Warning sign Body rotary valve (Only During technical clean- Cool down the rotary HT types) ing or maintenance valve before any repairs or service. Wear protec- tive gloves 6.5.5 Inhalation of toxic substances Where When...

  • Page 67: Safety Switch (Optional)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 6.6.1 Safety switch (optional) DANGER! The safety switch is an additional safety feature and is not intended to isolate the rotary valve for performance of maintenance work and repairs! The safety switch is a mechanical make-break contact to detect that the end cover is removed from the body.

  • Page 68: Additional Safety Instructions For Use In Potentially Explosive Atmosphere

    The Rotary valves are intended for industrial systems and may only be used in accordance with the informa- tion provided in DMN technical documentation and the information listed on the name plate. They comply with the applicable standards and regulations and meet the requirements of directive 2014/34/EU.

  • Page 69: Storage And Transport

    7 Storage and transport ATTENTION! Keep the product in its original packaging in a dry and clean place during storage! Report transport damage directly to your carrier and your supplier. DANGER! Do not touch the inlet of the rotary valve during or after unpacking! Use adequate transport and lifting equipment! Always use lifting eyes to hoist the product! 7.1 On receipt...

  • Page 70: Out Of Operation

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 7.5 Out of operation If the product is installed and will not be operated for some time, ensure that it is clean and leave it in a dry state. Chapter 7. Storage and transport...

  • Page 71: Installation & Commissioning

    8 Installation & commissioning First read the safety instructions in chapter safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the rotary valve is isolated from external power sources.

  • Page 72: Drive

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 8.2 Drive First read the instructions carefully supplied by drive manufacturer, before installing the product. Instruction • Check gearbox oil level before starting the valve; it should be filled with the correct amount and type of oil according to supplier’s instruction.

  • Page 73: If Delivery Excludes Drive

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 65 Tighten chain Instruction • Check position and alignment of the sprockets re-adjust if necessary. • Tighten chain by adjusting nuts (524) to give 10mm slack at chain. • Grease chain (for correct lubricant see chapter Lubricants). 8.3 If delivery excludes drive •...

  • Page 74: Shaft Seal With Packing Cord

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Connect air vent pipe work. • Connect air purge supply and adjust pressure regulator. • Fasten shaft seal (refer to chapter Seals). (if applicable) • Connect power to drive. DANGER! During operation or testing the inlet / outlet and vent hole connections must not be open or unprotected.

  • Page 75: Electrical Connection

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 The safety switch is a mechanical make-break contact to de- tect that the end cover is removed from the body. Depending on how the contact is connected, the drive will stop, and/or an alarm will be given.

  • Page 76: Installing Accessories On The Rotary Valve (If Fitted)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 8.5 Installing accessories on the rotary valve (if fitted) 8.5.1 Mounting inlet restrictor / dropout box / vent box Fig. 66 Inlet restrictor and Dropout box Fig. 67 Vent box (one side) - Vent box (all around) Chapter 8.

  • Page 77: Installing Options On The Rotary Valve (If Fitted)

    8.6.1 Rotor Interference Detection (RID) The rotor is electrically isolated from valve body, end covers and drive. The DMN circuit analyser supplied will give an output signal when there is rotor contact to body or end cov- ers and provides fail safe monitoring.

  • Page 78: Specifications

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 69 RID assembly 8.6.1.1 Specifications Rated voltage 18-30VDC, 50mA Reset input (Pulse) 18-30VDC Relay Contact loading 24VDC, 1A Measuring range resistor 0-10 kOhm Measuring current <2mA Measuring speed 1msec-1sec Maximum measuring cable length 20 meter (0,75mm2) USB connection USB 2.0 Ambient temperature 0-60°C ATTENTION!

  • Page 79: Connections

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 8.6.1.2 Connections CONT Contamination Alarm relay (Common, Normal Open, Normal Closed), will be activated if set values of contamination are reached. (Detection level and minimum Duration see chapter 3 service tool). MTM Metal to metal Alarm relay (Common, Normal Open, Normal Closed), will be activated if contact has been made between rotor and housing.

  • Page 80: Standard Measuring Circuit Rid

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 8.6.1.3 Standard measuring circuit RID (S2) To body (S3) To rotor Fig. 70 Standard measuring circuit RID ATTENTION! Check connection control unit Sense S2-S3. Wrong connection can result in no metal to metal alarm. Chapter 8.

  • Page 81: Hazardous Areas Measuring Circuit Rid

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 8.6.1.4 Hazardous areas measuring circuit RID Fig. 71 hazardous areas measuring circuit RID 8.6. Installing options on the rotary valve (if fitted)

  • Page 82: Installing The Rotary Valve In A Potentially Explosive Atmosphere

    Connect output relays to an appropriate control circuit to ensure the motor is isolated in the event of a fault. The control system is not part of the standard supply of DMN. It is the responsibility of the end user to ensure that a control system is installed in the system.

  • Page 83: Power And Rotor Speed Rotary Valves

    8.7.1 Power and rotor speed rotary valves The matrix below shows the power and rotor speed for each type and size of DMN-WESTINGHOUSE valve. For good functioning of the valve the rotor tip speed must not exceed 0.66 m/sec. The standard rotor speeds are usually between 15-25 RPM depending on size of valve.
  • Page 84 According to the ATEX directive the maximum velocity must not be higher than 1 m/s and the maximum power of the motor gear unit is not higher than 4 kW. If higher velocity or power are required, contact DMN. ATEX approval ceases without prior consultation. Valve type Valve size...

  • Page 85: Drive

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 8.7.2 Drive Explosive gas mixtures or concentrations of dust can lead to severe or fatal injuries in connection with hot surfaces, parts under power and moving parts on the gear unit / geared motor. Installation, connection, start-up, maintenance and repair work on the gear unit / geared motor may only be performed by a qualified specialist while taking the following into account:...

  • Page 86: Accessories (If Fitted)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Chain drive • On one side of the valve, holes have been tapped for fitting the motor base plate (see drawing for di- mensions). • To fasten the chain guard, three holes have been tapped in the bearing housing of the valve (see draw- ing for dimensions).
  • Page 87 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Safety switch Pressure regulator 8.7. Installing the rotary valve in a potentially explosive atmosphere...
  • Page 88 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Zero speed indicator Fig. 72 Drive side option 1 Fig. 73 Drive side option 2 Fig. 74 Non drive side Chapter 8. Installation & commissioning...

  • Page 89: Installing The Rotary Valve In A Hygienic Application

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 75 Direct drive 8.8 Installing the rotary valve in a hygienic application Rotary valve must be installed in such a way that there is enough space for easily and safely access for cleaning, service and maintenance so that the required level of hygiene can be maintained.
  • Page 90 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 76 Flange connection In- and outlet flange connection. • Make sure that in- and outlet diameter of rotary valve (1) and counter flanges (2) are equal. • Center counter flange with flange rotary valve. You can use the dowel pin holes (3) in In- and outlet flange rotary valve (see table) for correct alignment.
  • Page 91 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 77 In and outlet flange connection Valve Size 147.5 8.8. Installing the rotary valve in a hygienic application...

  • Page 92: Shaft Seal With Air Purge

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Blowingline flange connection Fig. 78 Blowingline flange connection • The conveying pipeline (2) to be connected to the blowingline flange (1) should ideally have the same diameter as the connection flange. • If there is variation between the inner diameters of the blowing channel and the conveying line, the tran- sition from one diameter to the other should be as smooth as possible.
  • Page 93 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Ensure proper functioning of the airpurge (see chapter 10.2.6). 8.8. Installing the rotary valve in a hygienic application...

  • Page 94: Operation

    No pressure difference over rotor allowed for HT600 additional executions! Only operate the valve when it is fitted with the protective safety parts supplied by DMN-WESTINGHOUSE. Protective safety parts are: • Mechanical protection i.e. chain guard and end cover plates.

  • Page 95: Manual Cleaning

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 ATTENTION! Danger from cleaning agents and operating supplies. Risk of skin and eye damage. Respiratory hazard. • Only use approved cleaning agents. Observe the safety data sheet. • Wear personal protective equipment. • Consult a doctor immediately in the event of injuries. CAUTION! Risk of machine damage due to improper cleaning.

  • Page 96: Dry Cleaning

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 The rotary valves that are certified EHEDG ED CLASS II and accepted by the USDA (United States Department of Agriculture) require manual dry cleaning. ATTENTION! The cleaning process, duration and frequency must be determined and validated indi- vidually for each application.

  • Page 97: Disassembly / Assembly

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • And shall not be abrasive Damaged hand-held cleaning tools must not be used as there is a risk of broken parts remaining in the equip- ment and passing into the dry material pack-off area during subsequent process operations. This creates the possibility of contamination during the filling of bags or silos, etc.

  • Page 98: Wet Cleaning

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 CAUTION! Make sure that no scratches occur during disassembly and cleaning, by using the correct disassembly procedure (see chapter 11) and the correct tools. ATTENTION! Check at regular intervals and during cleaning if the surfaces roughness (≤ 0.8 Ra) of the product contact surface has not increased and that there are no scratches or irregularities.

  • Page 99: Rotor Interference Detection (Rid)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 9.4.1 Rotor Interference Detection (RID) The Rotor Interference Detection (RID) system monitors rotor to housing contact. The RID can be installed to minimise damage to the rotary valve and warn of possible contamination of the conveyed product in the unlikely instance of the rotor fouling the valve body or end covers.

  • Page 100: Service Tool

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 9.4.2 Service tool For setting up the control unit with this service tool, connect the USB cable to the PC and control unit. ATTENTION! Only use USB connection when the service tool is used to modify/monitor values and to get a logging file.
  • Page 101 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Contamination alarm rises when the circuit resistance (much higher than the ‘metal to metal’ level) drops below a certain level for a certain time (about 1kOhm-10kOhm, adjustable). Metal to metal alarm Can be defined as follows: •...
  • Page 102 Current resistance as shown in Service tool screen need to be used to define the set points for MTM and CIP alarm. If the standard detection level needs to be altered for better working of the RID ac- cording to customer process, contact DMN-WESTINGHOUSE for assistance (refer to chapter Contact information).
  • Page 103 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 ATTENTION! Current resistance as shown in service tool screen can be used to define the set points for MTM and CIP alarm. Logging ATTENTION! Only for advanced users. Select tab (Logger Data) 9.4. Local control boxes...
  • Page 104 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Will log resistance value and alarms at set intervals of 1 second. The value is date stamped by the clock of the PC running this application. Data will be logged for the past 11-12 days; this data can be downloaded. ATTENTION! If power is removed from the controller, log data will be removed.
  • Page 105 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Command button “Get Logger Data” will show log data in graph. The command button ‘Reset Module’ can be used to reset pending alarms. (as done with the reset button on the control unit). Command button “Save Logger Data”...
  • Page 106 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 show selected data in graph. Chapter 9. Operation...

  • Page 107: Maintenance

    10 Maintenance Read the safety instructions in chapter safety first, before operating the product. ATTENTION! After maintenance and repair work has been carried out, all safety parts removed during the work should be re-assembled and their operation should be checked. DANGER! Maintenance must only be performed by trained and authorised personnel! When the valve is in operation no maintenance and repair work must be carried out!

  • Page 108: Maintenance Instructions

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 It is recommended that the complete rotary valve is dismantled for cleaning, inspection and overhaul as nec- essary at regular intervals. 10.2 Maintenance instructions 10.2.1 Before maintenance Instruction • Isolate electrical supply to valve motor •...

  • Page 109: General Maintenance Every 12 Months Or After 10,000 Operating Hours

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 10.2.4 General maintenance every 12 months or after 10,000 operating hours Instruction • Remove valve from system and clean it completely • Dismantle valve • Check packing material/O-ring(s)/lip seal(s) for damages • Check drive shaft for wear or damage •...

  • Page 110: Maintenance Drive

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • If necessary, re-adjust air purge pressure and/or flow. 10.2.7 Maintenance drive Read and study the operation instructions supplied by the Motor / Gear unit manufac- turer. 10.3 Cleaning CAUTION! In case of high-pressure cleaning, pay attention to the ball-bearing. Damaging the sealing of the ball-bearing may cause malfunctioning of the bearing.

  • Page 111: Spare Parts

    Applicable documents). 10.6 Malfunction In the event of a malfunction consult the table below to find the solution. If the problem does not feature in the table, please contact DMN-WESTINGHOUSE (refer to chapter Contact information). 10.6.1 Rotary valve Low capacity...

  • Page 112: Rotor Interference Detection

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 10.6.2 Rotor Interference detection OK alarm Module failure Green LED off Cause Solution No power supply to module Check power supply is connected to module Check fuse supplying module Check 24Vdc is supplied to module Module faulty Replace module Open loop alarm Circuit fault...

  • Page 113: After An Explosion

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Metal – metal alarm Green LED on Red LED on Cause Solution Metal – metal contact Open valve and check for metal to metal contact 0 Ohm • Clean the valve • Ensure the valve is reassembled correctly •...
  • Page 114 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Check product temperature and set clearances according to the sales order confirmation related to the serial number of relevant rotary valve (refer to chapter Applicable documents). Chapter 10. Maintenance...

  • Page 115: Dismantling, Assembling And Adjusting

    11 Dismantling, assembling and adjusting Read the safety instructions in chapter safety first, before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and autho- rised personnel! DANGER! While the valve is in operation no repair work must be carried out! When carrying out repair work, always shut off the power and isolate system against unexpected incoming power.

  • Page 116: Al-Series / Bl-Series (Standard Execution)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.2 AL-series / BL-series (Standard execution) 11.2.1 General assembly & part list Fig. 82 General assembly AL-series Fig. 83 General assembly BL-series Chapter 11. Dismantling, assembling and adjusting...
  • Page 117 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 85 Rotor Fig. 84 Blowing seal Fig. 86 Plug connection 101 Body 158 Name plate 412 Stud 102 End cover 159 Arrow 413 Nut 103 Flange 164 Washer 414 Washer 104 Cover 201 Rotor 421 Gland follower 105 Ball-bearing...

  • Page 118: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.2.2 Dismantling Fig. 87 Dismantling standard execution Instruction 11.2.2.1 Non-drive side • Remove bolts (151) from bearing cover (104) and remove cover. • Loosen locking nut (222), remove safety ring (221) and spacer ring (202). •...

  • Page 119: Re-Assembly

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.2.3 Re-assembly Instruction After thoroughly cleaning, checking and renewing necessary parts the valve should be re-assembled as fol- lows: • Check that ball-bearings (105) are pressed in tight to end cover (102/107). If necessary, tap lightly on the outer bearing ring using a copper rod, to ensure bearing is seated properly.

  • Page 120: Gl-Series (Standard Execution)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.3 GL-series (Standard execution) 11.3.1 General assembly & part list Fig. 88 General assembly GL-series 101 Body 132 Vent plate 158 Name plate 102 End cover 132 Vent adapter* 159 Arrow 104 Cover 151 Bolt 160 Washer 106 Ball-bearing...

  • Page 121: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 226 Key 414 Washer 433 Plug 412 Stud 421 Gland follower 413 Nut 431 Packing cord * Option 11.3.2 Dismantling Refer to chapter 11.2.2 11.3.3 Re-assembly Refer to chapter 11.2.3 11.3. GL-series (Standard execution)

  • Page 122: Ar-Series (Standard Execution)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.4 AR-series (Standard execution) 11.4.1 General assembly & part list Fig. 89 General assembly AR-series 101 Body 158 Name plate 302 Rotor blade 102 End cover 159 Arrow 422 Lantern ring 104 Cover 164 Washer 431 O-ring/Lip seal 105 Ball-bearing...

  • Page 123: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.4.2 Dismantling Refer to chapter 11.2.2 11.4.3 Re-assembly Refer to chapter 11.2.3 11.4. AR-series (Standard execution)

  • Page 124: Al-Serie / Bl-Serie (Ht Execution 150°C - 250°C)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.5 AL-serie / BL-serie (HT execution 150°C – 250°C) Clearance depends upon valve size, product temperature and valve material. See enclosed table of clearances for the right adjustment of the rotor. To achieve rotor end clearances, a gasket is fitted between the body and end cover non-drive end. For instructions to adjust the rotor and blades, refer to chapter 11.3.3 11.5.1 General assembly &...

  • Page 125: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 92 Rotor Fig. 91 Blowing seal Fig. 93 Plug connection 101 Body 171 Nilos ring 413 Nut 102 End cover 172 Nilos ring 414 Washer 104 Cover 201 Rotor 421 Gland follower 105 Spherical roller bearing 202 Spacer ring 422 Lantern ring...

  • Page 126: Al-Series (Ht Execution 400°C - 600°C)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.6 AL-series (HT execution 400°C – 600°C) 11.6.1 General assembly & part list Fig. 94 General assembly AL-series / BL-series HT 400°C-600°C Fig. 96 Rotor Fig. 95 Blowing seal Fig. 97 Plug connection Chapter 11.

  • Page 127: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 101 Body 159 Arrow 303 Scraper blade 102 End cover 160 Countersunk screw 412 Stud 104 Bearing cover 164 Washer 413 Nut 105 Ball-bearing HT 201 Rotor 414 Washer 106 Bearing cover 202 Support ring 421 Gland follower 107 End cover 206 Shim...

  • Page 128: Drive Side

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 ing holes provided in bearing housing (108) and remove bearing housing. • Remove inner spacer, shim (206) and retain. • Remove end cover fixing bolts (152). Fit two of these bolts in the tapped jacking holes provided in end cover (102) and remove cover.

  • Page 129: Re-Assembly

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 CAUTION! Support the rotor to keep it in line with the bore to prevent damage to the rotor blades and/or bore of the body. Place the rotor on a wooden surface to prevent the rotor blades from being damaged.

  • Page 130: Al-Series / Bl-Series (Easy Detachable)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.7 AL-series / BL-series (Easy Detachable) 11.7.1 General assembly & part list Fig. 100 Easy detachable execution AL-AXL-AML Chapter 11. Dismantling, assembling and adjusting...
  • Page 131 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 101 Easy detachable execution BL-BXL-BXXL Fig. 103 Rotor Fig. 102 Blowing seal Fig. 104 Plug connection 101 Body 130 Nilos ring 159 Arrow 102 End cover 151 Bolt 160 Countersunk screw 104 Cover 152 Bolt 161 Countersunk screw 106 Ball-bearing...

  • Page 132: Dismantling (For Internal Cleaning)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 223 O-ring 236 Safety ring 422 Lantern ring 224 Head screw 302 Rotor blade 423 Extension piece 225 Washer 303 Scraper blade 431 Packing cord 226 Key 305 Clamp plate 432 Coupling 227 Retainer ring 412 Stud 433 Plug 228 Cyl.

  • Page 133: Dismantling (For Maintenance)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Instruction • Check position of the flat insertion end of the rotor and make it correspond to the opening in the shaft bearing. Two marks have been applied one on the end of the shaft (drive side) and one on the side of the bearing bush.

  • Page 134: Drive Side

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • To remove the end cover screw two of these bolts into the jacking holes in the end cover. • Remove packing cord with air purge. • If necessary, loosen ball-bearings. • Remove cover (104) and bearing housing (109). •...

  • Page 135: Non-Drive Side

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 ATTENTION! Clean the spigot edges of both end covers (102/107) carefully. To ensure the rotor position is concentric with the valve bore the end cover spigots are a light interference fit in the body. Before assembly the jack screws (152) must be removed.

  • Page 136: Al-Series / Bl-Series (Dairy)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.8 AL-series / BL-series (Dairy) 11.8.1 General assembly & part list (EHEDG ED CLASS II certified) Fig. 107 Dairy execution AL-AXL-AML (EHEDG ED CLASS II) Fig. 108 Dairy execution BL-BXL-BXXL (EHEDG ED CLASS II) Chapter 11.
  • Page 137 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 101 Body 155 Washer 228 Cyl. adjusting screw 102 End cover 158 Name plate 231 Nut 104 Cover 159 Arrow 235 Locknut 106 Ball-bearing 160 Counter screw 236 Safety ring 107 End cover 161 Counter screw 422 Lantern ring 108 Bearing house...

  • Page 138: General Assembly & Part List (Usda Approved)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.8.2 General assembly & part list (USDA approved) Fig. 109 Dairy execution AL-AXL-AML (USDA) Fig. 110 Dairy execution BL-BXL-BXXL (USDA) Chapter 11. Dismantling, assembling and adjusting...

  • Page 139: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 101 Body 155 Washer 231 Nut 102 End cover 158 Nameplate 235 Locknut 103 Pipe connection 159 Arrow 236 Safety ring 104 Cover 160 Counter screw 422 Lantern ring 106 Ball-bearing 161 Counter screw 431 Lip seal 107 End cover 162 Dowel...

  • Page 140: Al-Series / Bl-Series (Dairy-Wd)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.9 AL-series / BL-series (Dairy-WD) 11.9.1 General assembly & part list (USDA approved) Fig. 111 Dairy-WD execution AL-AXL-AML Fig. 112 Dairy-WD execution BL-BXL-BXXL Chapter 11. Dismantling, assembling and adjusting...

  • Page 141: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 101 Body 155 Washer 231 Nut 102 End cover 158 Name plate 235 Locknut 103 Pipe connection 159 Arrow 236 Safety ring 104 Cover 160 Counter screw 422 Lantern ring 106 Ball-bearing 161 Counter screw 431 Lip seal 107 End cover 162 Dowel...

  • Page 142: Re-Assembly

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • To remove the end cover screw two of these bolts into the jacking holes in the end cover. • Remove rotor by pulling it axially from the body. CAUTION! Support the rotor to keep it in line with the bore to prevent damage to the rotor blades and/or bore of the body.

  • Page 143: Al-Series / Bl-Series (Dairy-El I)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.10 AL-series / BL-series (Dairy-EL I) ATTENTION! Rotary valve EHEDG Dairy-EL I THE DAIRY-EL I HAS NO EHEDG EL CLASS I CERTIFICATION. Validation is the responsibility of system integrator / end-user. 11.10.1 General assembly & part list Fig.
  • Page 144 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 115 Dairy-EL I execution BL-BXL-BXXL Chapter 11. Dismantling, assembling and adjusting...

  • Page 145: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 101 Body 158 Name plate 235 Locknut 102 End cover 159 Arrow 236 Safety ring 103 Pipe connection 160 Countersunk screw 402 Distance ring 104 Cover 161 Countersunk screw 421 Seal unit DS 106 Ball-bearing 162 Dowel 422 Seal unit NDS...

  • Page 146: Re-Assembly

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 CAUTION! Support the rotor to keep it in line with the bore to prevent damage to the rotor blades and/or bore of the body. Place the rotor on a wooden surface to prevent the rotor blades from being damaged.

  • Page 147: Al-Series / Bl-Series (Mzc)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.11 AL-series / BL-series (MZC) 11.11.1 General assembly & part list Fig. 117 MZC parts 106 Ball-bearing 123 Ring 176 Washer 109 Bearing ring 124 Linear ball bearing 179 Cap 112 Bolt 125 Proximity switch 180 Locking unit 113 Support 155 Washer...

  • Page 148: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.11.2 Dismantling DMN-WESTINGHOUSE valves have been manufactured with great care. To reduce air leakages, internal running clearances are kept extremely small during manufacture and assembly of the valve. Instruction 11.11.2.1 Non drive side •...
  • Page 149 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 119 Dismantling MZC execution • Remove big plastic cap (179) from bearing cover (113). • Loosen nut from locking unit (180) and remove. • Mount lock strip (118) in such a way that central T-bolt (116) can be turned into the hole. Turn central T-bolt into rotor as far as possible.

  • Page 150: Re-Assembly

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Put cover back to body. Fig. 120 Dismantling MZC execution • Turn central T-bolt into rotor in such a way that rotor is pulled against cover surface. ATTENTION! Dairy shaft seals require disassembly and manual cleaning. CAUTION! Ensure that mating faces and drive dog of rotor are always thoroughly clean before re-assembly.
  • Page 151 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 DANGER! Always remove central T-Bolt before operation! Never place any metal object other than the central T-Bolt in the T-Bolt holder. 11.11. AL-series / BL-series (MZC)

  • Page 152: Al-Series / Bl-Series (Dairy-Wd-Mzc / Dairy-El I-Mzc)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.12 AL-series / BL-series (Dairy-WD-MZC / Dairy-EL I-MZC) 11.12.1 General assembly & part list 11.12.1.1 General assembly Dairy-WD-MZC Fig. 121 Drawing MZC parts (Dairy-WD-MZC) Chapter 11. Dismantling, assembling and adjusting...
  • Page 153 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 106 Ball-bearing 123 Ring 176 Washer 109 Bearing ring 124 Linear ball bearing 179 Cap 112 Bolt 125 Proximity switch 180 Locking unit 113 Support 155 Washer 182 Sealing unit 116 T-bolt 161 Bolt 204 Bearing bush 117 Securing block 164 Cylinder bolt...

  • Page 154: General Assembly & Part List (Dairy-El I-Mzc)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.12.2 General assembly & part list (Dairy-EL I-MZC) Fig. 122 Drawing MZC parts (Dairy-EL I-MZC) Chapter 11. Dismantling, assembling and adjusting...

  • Page 155: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 106 Ball-bearing 124 Linear ball bearing 180 Locking unit 109 Bearing ring 125 Proximity switch 182 Sealing unit 112 Bolt 155 Washer 189 Hexagon bolt holder 113 Support 161 Bolt 116 Centrist-bar 164 Cylinder bolt 204 Bearing bush 117 Securing block 170 Bolt...
  • Page 156 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 DANGER! The purpose of this securing block is to disconnect the power supply or send a signal to the control room as an extra safety measure. Its purpose is not to isolate the installation prior to cleaning and/or maintenance and repair work.
  • Page 157 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove big plastic cap (179) from bearing cover (113). • Loosen nut from locking unit (180) and re- move. 11.12. AL-series / BL-series (Dairy-WD-MZC / Dairy-EL I-MZC)
  • Page 158 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove bolts (112) from cover. • If necessary two bolts can be fitted into jack- ing holes of cover to enable dismounting. Chapter 11. Dismantling, assembling and adjusting...
  • Page 159 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Position lock strip (118) in such a way that central T-bolt (116) can be turned into the hole. • Turn central T-bolt into rotor as far as possi- ble. 11.12. AL-series / BL-series (Dairy-WD-MZC / Dairy-EL I-MZC)
  • Page 160 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Roll over lock strip in order to block central T-bolt. • To prevent damage to bearings and deflec- tors, guide bars (121) must be well cleaned. Chapter 11. Dismantling, assembling and adjusting...
  • Page 161 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Now turn central T-bolt anti-clockwise to ex- pel cover from body. • Keep turning until separate cover can be moved backwards. The rotor will be left in the body. • Clean rotor surface of cover as well as head ends of rotor.
  • Page 162 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 ATTENTION! Dairy shaft seals require disassembly and manual cleaning. Put cover back to body. Chapter 11. Dismantling, assembling and adjusting...
  • Page 163 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Turn central T-bolt into rotor in such a way that rotor is pulled against cover surface. DANGER! When the rotor is not correctly pulled against the cover, removal of the cover with the rotor from the body may cause damage to the body or the rotor.
  • Page 164 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Clean body surface. Instruction Picture • Clean rotor and shaft end. Chapter 11. Dismantling, assembling and adjusting...

  • Page 165: Re-Assembly

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove two bolts used as extractors from cover. CAUTION! Ensure that mating faces and drive dog of rotor are always thoroughly clean before re-assembly. ATTENTION! Dairy shaft seals require disassembly and manual cleaning. 11.12.4 Re-assembly CAUTION! Only for Dairy EL I execution...
  • Page 166 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Instruction Picture Only for Dairy EL I executions • Place gasket (110) between body and end cover. • Carefully slide cover and rotor into body until drive dog enters drive shaft. • Tighten bolts crosswise in such a way that the cover fits without any clearance to flat side of body.
  • Page 167 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Turn lock strip (118) away in such a way that central T-bolt can be screwed out of the rotor. • Screw central T-bolt into securing block (117) provided for this purpose. • Unscrew nut. 11.12.
  • Page 168 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Turn locking unit (180) in position (only hand tight!). • Secure nut with minimum force, if possible, prevent rotor to rotate. Chapter 11. Dismantling, assembling and adjusting...
  • Page 169 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Replace plastic cover in hole of support (113). DANGER! Always remove central T-Bolt before operation! Never place any metal object other than the central T-Bolt in the T-Bolt holder. 11.12. AL-series / BL-series (Dairy-WD-MZC / Dairy-EL I-MZC)

  • Page 170: Al-Series / Bl-Series (Mzc-I)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.13 AL-series / BL-series (MZC-I) 11.13.1 General assembly & part list Fig. 125 Drawing MZC-I parts 101 Body 1103 Cover flange 251 Shim plate 102 End cover 1104 Red cap 252 End stop 107 End cover 1105 Lock plate handle 108 Connection piece...
  • Page 171 It is the responsibility of the user to determine the time between inspections. The frequency must be determined and validated individually for each application based on practical experience. DMN-WESTINGHOUSE advise to do inspection and cleaning after wet cleaning (CIP). Instruction • Stop valve and isolate motor.

  • Page 172: Procedure 1: Basic Cleaning Non-Drive Side

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.13.2.1 Procedure 1: Basic cleaning non-drive side • Remove bolts (112) from the end cover. • To remove the end cover (107) screw two of these bolts into the jacking holes in the end cover. Chapter 11.
  • Page 173 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove end cover and rotor (201) by pulling it axially from the body. • Remove bolts (112) from end cover. • Rotor (201) can rotate for inspec- tion and cleaning. • Clean body internally. 11.13.
  • Page 174 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Thoroughly clean rotor shaft drive side. A02_Uitgeschoven NADZ • Inspect and clean drive shaft (203) Chapter 11. Dismantling, assembling and adjusting...
  • Page 175 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Slide end cover (107) back in body (101). • Tighten bolts (112) crosswise in such a way that end cover fits with- out any clearance to the flat side of the body. 11.13.

  • Page 176: Procedure 2: Thorough Cleaning Non-Drive Side

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.13.2.2 Procedure 2: Thorough cleaning non-drive side • Remove bolts (112) from the end cover. • To remove the end cover (107) screw two of these bolts into the jacking holes in the end cover. Chapter 11.
  • Page 177 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove end cover and rotor (201) by pulling it axially from the body. • Remove bolts (112) from end cover. • Rotor (201) can rotate for inspec- tion and cleaning. • Clean body internally. 11.13.
  • Page 178 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Thoroughly clean rotor shaft drive side. A02_Uitgeschoven NADZ • Inspect and clean drive shaft Chapter 11. Dismantling, assembling and adjusting...
  • Page 179 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Rotor Support • Place Rotor Support (960) on slide rails(1122-1123). • Loosen bolt (1110) to remove cap (1104). • Place cap on bracket (1120). 11.13. AL-series / BL-series (MZC-I)
  • Page 180 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • To remove rotor from end cover for inspection and cleaning of seal. • Turn handle (1105) to locked posi- tion. • Turn centerbolt (253) anti clock- wise until in rotates free. • Slide rotor support away from end cover.
  • Page 181 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Clean shaft hub • Remove the bolts (262) from the end stop (252). • Remove end stop (252). 11.13. AL-series / BL-series (MZC-I)
  • Page 182 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Clean rotor shaft hub (250). • Fit end stop (252) back in the rotor shaft hub. • Use bolts (262) to re-assemble end stop. Chapter 11. Dismantling, assembling and adjusting...
  • Page 183 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Slide end cover over rotor shaft. • Turn centerbolt (253) clockwise. • Turn handle (1105) to locked posi- tion. • Fasten centerbolt clockwise with torque wrench to the specified torque AL-BL AXL-BXL-AML BXXL Torque (X) 150-175...
  • Page 184 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove Rotor support (960). • Use bolt (1110) to re-assemble cap (1104). • Slide end cover and rotor back in body (101). • Tighten bolts (112) crosswise in such a way that cover fits without any clearance to the flat side of the body.
  • Page 185 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Non drive side Shaft seal instruction (see chapter 11.16) 11.13. AL-series / BL-series (MZC-I)

  • Page 186: Al-Series / Bl-Series (Mzc-Ii)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.14 AL-series / BL-series (MZC-II) 11.14.1 General assembly & part list Fig. 126 Drawing MZC-II parts 101 Body 1104 Red cap 201 Rotor 102 End cover 1105 Lock plate handle 251 Shim plate 107 End cover 1106 Lock plate 252 End Stop...

  • Page 187: Inspection And Cleaning

    It is the responsibility of the user to determine the time between inspections. The frequency must be determined and validated individually for each application based on practical experience. DMN-WESTINGHOUSE advise to do inspection and cleaning after wet cleaning (CIP). Instruction • Stop valve and isolate motor.

  • Page 188: Procedure 1: Basic Cleaning Non-Drive Side

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.14.2.1 Procedure 1: Basic cleaning non-drive side • Remove bolts (112) from the end cover. • To remove the end cover (107) screw two of these bolts into the jacking holes in the end cover. Chapter 11.
  • Page 189 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove end cover and rotor (201) by pulling it axially from the body. • Remove bolts (112) from end cover. • Rotor (201) can rotate for inspec- tion and cleaning. • Clean body internally. 11.14.
  • Page 190 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Thoroughly clean rotor shaft drive side. A02_Uitgeschoven NADZ • Slide end cover (107) back in body (101). Chapter 11. Dismantling, assembling and adjusting...

  • Page 191: Procedure 2: Thorough Cleaning Non-Drive Side

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Tighten bolts (112) crosswise in such a way that end cover fits with- out any clearance to the flat side of the body. 11.14.2.2 Procedure 2: Thorough cleaning non-drive side • Remove bolts (112) from the end cover.
  • Page 192 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • To remove the end cover (107) screw two of these bolts into the jacking holes in the end cover. • Remove end cover and rotor (201) by pulling it axially from the body. •...
  • Page 193 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Thoroughly clean rotor shaft drive side. A02_Uitgeschoven NADZ • Rotor Support 11.14. AL-series / BL-series (MZC-II)
  • Page 194 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Place Rotor Support (960) on slide rails(1122-1123). • Loosen bolt (1110) to remove cap (1104). • Place cap on bracket (1120). • To remove rotor from end cover for inspection and cleaning of seal. •...
  • Page 195 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Slide rotor support away from end cover. • Clean rotor shaft and seal (see chapter 11.16) • Clean end cover Non drive side shaft seal instruction (see chapter 11.16) Clean shaft hub •...
  • Page 196 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Remove end stop (252). • Clean rotor shaft hub (250). • Fit end stop (252) back in the rotor shaft hub. Chapter 11. Dismantling, assembling and adjusting...
  • Page 197 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Use bolts (262) to re-assemble end stop. • Slide end cover over rotor shaft. • Turn centerbolt (253) clockwise. • Turn handle (1105) to locked posi- tion. • Fasten centerbolt clockwise with torque wrench to the specified torque 11.14.
  • Page 198 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 AL-BL AXL-BXL-AML BXXL Torque (X) 150-175 17-21 Nm 200-250 250-300 20-25 Nm 300-350 350-400 35-40 Nm • Remove Rotor support (960). • Use bolt (1110) to re-assemble cap (1104). Chapter 11. Dismantling, assembling and adjusting...
  • Page 199 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Slide end cover and rotor back in body (101). • Tighten bolts (112) crosswise in such a way that cover fits without any clearance to the flat side of the body. Clean drive side •...
  • Page 200 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • To remove the end cover (102) screw two of these bolts into the jacking holes in the end cover. • Remove end cover and Drive side sliding unit (108) by pulling it axially from the body.

  • Page 201: Rotor

    (see chapter 11.16) 11.15 Rotor 11.15.1 Clearance settings DMN-WESTINGHOUSE valves have been manufactured with great care. To reduce air leakages, internal running clearances are kept extremely small during manufacture and assembly of the valve. CAUTION! Always set clearances as mentioned on the sales order confirmation.
  • Page 202 Special clearances are to be set with product temperatures of 50°C and higher, ac- cording to special instructions, depending on size and material of the valve. Product characteristics may influence the clearance. If in doubt, please contact DMN- WESTINGHOUSE (refer to chapter Contact information).

  • Page 203: Rotor With Fixed Blades

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.15.2 Rotor adjustment standard executions 11.15.2.1 Rotor with fixed blades Fig. 127 Adjustment for axial clearance Instruction The rotor must be adjusted in axial direction (at both sides) with a tolerance between the machined surfaces of the rotor.

  • Page 204: Rotor With Adjustable Blades

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.15.2.2 Rotor with adjustable blades Fig. 128 Adjustment for axial clearance Adjustment of axial direction of rotor is as described under rotor with fixed blades (refer to chapter 11.15.2). Axial/radial adjustment of the rotor blades The tolerances for the axial adjustment of the rotor blades are the same as stated for the rotor.

  • Page 205: Adjustment Of Scraper Blades

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 129 Adjustment scraper blades 11.15.2.3 Adjustment of scraper blades The axial clearance must be adjusted to a slightly closer tolerance (0.05-0.08mm). Again, use feeler gauges or copper shims of the correct thickness. The two scraper blades are set with the correct clearance on one side.
  • Page 206 11.15.3 Rotor adjustment for standard execution HT DANGER! Special clearances are to be set with high product temperatures, according to special instructions. Product characteristics may influence the clearance. If in doubt, please contact DMN- WESTINGHOUSE (refer to chapter Contact information).
  • Page 207 Axial/radial adjustment of the rotor blades • The tolerances for adjustment of the rotor blades depends on the product temperature. • Special settings for the valve are displayed on the datasheet. • If in doubt, please contact DMN-WESTINGHOUSE (refer to chapter Contact information).
  • Page 208 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Fig. 131 Adjustment for axial and radial clearance rotor blades Instruction • Adjust axial/radial clearance and rotor blade using feeler gauges or copper shims of the correct thick- ness. • The adjustment described above must be carried out with all blades. CAUTION! After adjustment of the blade, feeler gauges or copper shims must be removed.

  • Page 209: Axial Adjustment Of The Rotor Clearances

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Mount drive parts. ATTENTION! After assembly, test run the valve. 11.15.3.1 Axial adjustment of the rotor clearances Prior to delivery the axial position of the rotor is set at the right clearance. This means that differences in clearance between the rotor and the end cover on both drive side and non-drive side have been equated as far as possible.

  • Page 210: Rotor Adjustment For Standard Execution Ht 11.15.3.1 11.16 Seals

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Adjusting screw (205) can be loosened or tightened in conjunction with the cylindrical adjusting screw (228) in order to adjust axial position of rotor. This is carried out using a special pin key. 11.16 Seals DANGER! Take care of fingers when accessing rotating parts.

  • Page 211: Packing Cord With Lubrication

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.16.1.2 Packing cord with lubrication 412 Stud 413 Nut 414 Washer 421 Gland follower 422 Lantern ring 423 Extension piece 431 Packing cord 433 Plug 436 Cylinder bolt Fig. 134 Packing cord with lubrication 11.16.

  • Page 212: Packing Cord With Air Purge And Lantern Ring

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.16.1.3 Packing cord with air purge and lantern ring 412 Stud 413 Nut 414 Washer 421 Gland follower 422 Lantern ring 423 Extension piece 431 Packing cord 432 Coupling 436 Cylinder bolt Fig. 135 Packing cord with air purge and lantern ring Fig.
  • Page 213 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 If adjustment of the gland follower is insufficient to prevent leakage or overheating, the packing cord should be completely renewed. Fresh seals prevent contamination and unnecessary wear. Instruction Replace the packing cord as follows: •...

  • Page 214: Lip Seal Standard

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.16.2 Shaft seal by means of lip seal 11.16.2.1 Lip seal standard 433 Plug 431 Lip seal 441 Cover plate 443 Nut 445 Distance ring 446 Ring 451 Stud Fig. 137 Lip seal standard Fig.

  • Page 215: Lip Seal With Air Purge And Lantern Ring

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.16.2.2 Lip seal with air purge and lantern ring 422 Lantern ring 431 Lip seal 441 Cover plate 443 Nut 446 Ring 451 Stud 462 Elbow banjo body 463 Banjo bolt Fig. 139 Lip seal with air purge and lantern ring 11.16.2.3 Lips seal with ST2 air purge 412 Bolt 414 Washer...

  • Page 216: Lip Seal With Air Purge And Grooved Lantern Ring

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.16.2.4 Lip seal with air purge and grooved lantern ring 421 Seal unit DS 422 Seal unit NDS 423 Cover plate 431 Lip seal 432 Coupling 434 Nut 435 Washer Fig. 141 Lip seal with air purge and grooved lantern ring 11.16.3 Lip seal with liquid cleaning (CIP (Dairy-EL I) seal) 402 Distance ring 421 Seal unit DS...
  • Page 217 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Changing PS seals Make sure the distance ring (402) between the PS seals (1) does not block the purge hole (2). 11.16. Seals...

  • Page 218: Replacement Of Lip Seals

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Connecting lines Typical example seal layout. Seal configuration to be determined by user depending on process. 11.16.3.1 Replacement of lip seals ATTENTION! Lip seals cannot be adjusted. When carrying out a complete overhaul the lip seals must be cleaned and checked for damage and if necessary, replaced.

  • Page 219: Air Purge With O-Ring And Extra Lip Seal (Sas Seal)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Instruction Replace the lip seals as follows: • Remove (knurled) nuts and cover plate from seal arrangement. • Remove lip seal(s). • Clean air passage to seal arrangement. • Clean parts and seal area thoroughly before mounting. 11.16.4 Shaft seals by means of O-ring 11.16.4.1 Air purge with O-ring and extra lip seal (SAS seal) 422 Seal unit...

  • Page 220: Air Purge With O-Ring (Sas-Ii Seal)

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.16.4.2 Air purge with O-ring (SAS-II seal) 422 Seal unit 433 Bolt 435 Washer 441 Retaining plate 446 Ring 455 O-ring 456 O-ring 462 Elbow banjo body 463 Banjo bolt Fig. 144 Air purge with O-ring (SAS-II seal) ATTENTION! O-rings to be lightly greased with FDA approved grease (Food NSF H1) prior to as- sembling.

  • Page 221: Drives

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Remove Retaining plate (441). Remove Seal unit (422). 11.17 Drives 11.17. Drives...

  • Page 222: Chain Drive

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.17.1 Chain drive Fig. 145 Chain drive 501 Drive 520 Chain joint 527 Bolt 502 Support plate 521 Half a link 528 Washer 503 Plate 522 Adjusting screw 504 Chain guard 523 Stud 529 Bolt 530 Washer 505 Chain wheel 524 Nut...

  • Page 223: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 Instruction 11.17.1.1 Dismantling • Remove chain guard. • Dismantle chain. • Remove chain from chain wheel. • Loosen adjusting screw of chain wheel. • Remove chain wheels. 11.17.1.2 Assembly • Fit chain wheels on shaft. •...

  • Page 224: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.17.2 Direct drive (parallel shaft) Fig. 146 Direct drive (parallel shaft) 501 Drive 521 Bolt 524 Washer 502 Connecting piece 522 Cylinder bolt Instruction 11.17.2.1 Dismantling • Dismantle drive. • Remove connecting piece from end cover. 11.17.2.2 Assembly •...

  • Page 225: Dismantling

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 • Mount drive on connecting piece. 11.17.3 Direct drive (in line) Fig. 147 Direct drive (in line with coupling) 501 Drive 515 Bush rotor 523 Washer 502 Connecting piece 516 Bush motor 524 Washer 503 Flange 150/175 521 Bolt 504 Coupling...

  • Page 226: Direct Drive (In Line) 11.17.3.1 11.17.3.2 11.18 Options

    ATTENTION! The safety switch must be connected to the client safety circuit, which will stop or prevent the valve from operating. Safety control module is not part of the DMN supply. Fig. 148 Safety switch 510 Safety switch 541 Cylinder bolt...
  • Page 227 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.18.2 Zero speed indicator Fig. 149 Drive side Fig. 150 Non drive side Fig. 151 Direct drive 11.18. Options...
  • Page 228 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 104 Bearing cover 604 Cover plate 151 Bolt 610 Proximity switch 600 Impulssender 611 Nut 11.18.3 Pressure regulator Fig. 152 Pressure regulator 601 Air filter / Pressure regulator with 608 Tube 612 Ball valve G 1/4” pressure gauge 606 2/2 Solenoid valve 609 T-coupling ∅10mm...
  • Page 229 IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.18.4 Pulsating air execution Fig. 153 Pulsating air injection 700 Cam disc 713 T-coupling 718 Nut 701 Shim 714 Plug 1/8” 719 Bolt 710 Solenoid 715 Tube ∅8 721 Cyl. adjusting screw 711 Coupling 1/8” 716 Bolt 712 Coupling 1/4”...

  • Page 230: Pulsating Air Execution 11.18.5 Dairy Vent Holes 11.19 Accessories

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.18.5 Dairy vent holes Fig. 154 Dairy vent hole options 11.19 Accessories 11.19.1 Inlet restrictor / Dropout box Fig. 155 Inlet restrictor and Dropout box For mounting the inlet restrictor and dropout box, refer to 8.5.1 Chapter 11.

  • Page 231: Inlet Restrictor / Dropout Box 11.19.2 Air Vent Box

    IOM MANUAL / ROTARY VALVES: OUTBOARD, 5.0.0 11.19.2 Air vent box Fig. 157 Vent box (all around) Fig. 156 Vent box (one side) For mounting the inlet restrictor and dropout box, refer to chapter 8.5.1 11.19. Accessories...
  • Page 232 12 End of lifetime At the end of its working life, the system must be decommissioned in line with prevailing safety rules. All contaminated or harmful parts must be disposed of in accordance with statutory requirements.

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