SPX FLOW APV DA4 Instruction Manual
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SPX FLOW APV DA4 Instruction Manual

Double seat mix proof valve
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I N S T R U C T I O N M A N U A L
APV DA4
D O U B L E S E AT M I X P R O O F VA LV E
F O R M N O . : H 3 3 7 9 2 7
R E V I S I O N : U K - 1
R E A D A N D U N D E R S TA N D T H I S M A N U A L P R I O R TO O P E R AT I N G O R S E RV I C I N G T H I S P R O D U C T.

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Summary of Contents for SPX FLOW APV DA4

  • Page 1 I N S T R U C T I O N M A N U A L APV DA4 D O U B L E S E AT M I X P R O O F VA LV E F O R M N O . : H 3 3 7 9 2 7 R E V I S I O N : U K - 1 R E A D A N D U N D E R S TA N D T H I S M A N U A L P R I O R TO O P E R AT I N G O R S E RV I C I N G T H I S P R O D U C T.
  • Page 3 Directives 2006/42/EC (superseding 89/392/EEC and 98/37/EC) and ProdSG (superseding GPSG - 9.GPSGV). For official inspections, SPX FLOW presents a technical documentation according to Appendix VII of the Machinery Directive, this documentation consisting of documents of the development and construction, description of measures taken to meet the conformity and to correspond with the basic requirements on safety and health, incl.

  • Page 5: Table Of Contents

    APV_DA4_UK-1_102018.indd Content Page General Terms Safety Symbols Safety Instructions Intended Use Mode of Operation 4.1. General terms 4.2. Valve in "closed" position 4.3. Valve in "open" position Control Units / Valve Position Indication 5.1. Control unit and adapter 5.2. Valve position indication Cleaning 6.1.

  • Page 6: General Terms

    Defective actuators and upper shafts must be returned to your SPX FLOW company for their professional disposal and free of charge for you. Please address to your local SPX FLOW company. Never touch the valve or pipelines during hot liquid or sterilisation processes! Disconnect electric and pneumatic connections, e.g.

  • Page 7: Intended Use

    Caution! Arbitrary, structural changes at the valves may affect safety as well as the intended functionality of the valves and are not permitted. Authorizations and External Approvals To view the certifications for this and other innovative SPX FLOW products, visit https://www.spxflow.com/en/apv/about-us/certifications/ Double Seat Mix Proof Valve APV DELTA DA4 Instruction Manual: UK - rev.

  • Page 8: Mode Of Operation

    APV_DA4_UK-1_102018.indd Mode of Operation fig. 4.1 4.1. General terms Due to its construction and mode of operation as well as to the use of high quality stainless steel and adequate seal materials, the DA4 double seat mix proof valve is suited for applications in the food control unit and beverage industries as well as in pharmaceutical and chemical applications.

  • Page 9: Valve In "Closed" Position

    APV_DA4_UK-1_102018.indd Mode of Operation fig. 4.2. 4.2. Valve in "closed" position The lower and upper valve shaft are in closed position and safely separate the different liquids A and B. The leakage chamber L, which is situated between the two valve shafts, provides for a free and depressurized discharge to the bottom.

  • Page 10: Control Units / Valve Position Indication

    Proximity switch 24V DC, PNP, 11 mm DIA. (cable box): H16432 If the customer decides to use valve position indicators other than those listed above, SPX FLOW cannot assume any liability for the functionality of the valve. Double Seat Mix Proof Valve APV DELTA DA4 Instruction Manual: UK - rev.

  • Page 11: Cleaning

    CIP spraying cleans the leakage chamber. The cleaning connection is at item C in fig. 6.3. CIP spraying does not produce pressure build-up in the leakage chamber. SPX FLOW recommends performing CIP-spraying in the closed valve position; however, it can also be done in the open valve position.

  • Page 12: Flushing Quantity

    APV_DA4_UK-1_102018.indd Cleaning 6.5. Flushing quantity in ml per lifting cycle / 5 sec. 5000 4500 DN 80, 100 4000 Inch 4" 3500 3000 DN 40, 50, 65 2500 Inch 1,5", 2", 2000 2,5", 3" 1500 1000 fig. 6.6. pressure in bar 6.6.

  • Page 13: Installation And Commissioning

    APV_DA4_UK-1_102018.indd Installation and Commissioning The valve must be installed in vertical position to ensure that fluids can drain off freely from the valve housing and the leakage chamber. Caution! Leakages and fluid losses from seat lifting and CIP spraying must be safely collected and drained! The valve housing can be welded directly into the pipeline (completely removable valve insert).

  • Page 14: Dimensions / Weights

    APV_DA4_UK-1_102018.indd Dimensions / Weights CU4 control unit housing configuration DA44 DA43 DA42 DA41 1-8 DA41 1-7 DA41 1-6 install. dimen. Dimensions in mm weights in kg min. in mm with CU Ø Da Ø Di 18,7 142,5 1013 1030 142,5 1052 1040 Inch...

  • Page 15: Technical Data

    APV_DA4_UK-1_102018.indd Technical Data 9.1. General data Product-wetted parts 1.4404, 316L (DIN EN 10088) Other parts 1.4301,304 (DIN EN 10088) Seals standard EPDM/ PTFE compound options HNBR/ PTFE compound FPM/ PTFE compound Max. line pressure 10 bar Max. operating temperature 135 °C EPDM, HNBR *FPM Short-term load...

  • Page 16: Kvs Values

    APV_DA4_UK-1_102018.indd Technical Data 9.3. Kvs values in m³/hr Inch 1,5" 2" 2,5" 3" 4" 9.4. Air consumption / Switching times Air consumption at 5 bar Switching times in seconds at 5 bar / CU43 Actuator Seat lift actuator NL/stroke NL/stroke NL/stroke Inch Open...

  • Page 17: Valve Stroke / Opening Cross Section

    APV_DA4_UK-1_102018.indd Technical Data 9.5. Valve stroke / Opening cross section valve valve open closed Dimensions in mm stroke H1 stroke H2 upper shaft lower shaft 21,2 21,2 21,2 35,2 35,2 Inch 1,5" 21,2 2" 21,2 2,5" 21,2 3" 21,2 4" 35,2 Double Seat Mix Proof Valve APV DELTA DA4...

  • Page 18: Maintenance

    SW3, SW6 disassembly and assembly tool for lower shaft seal, see page 24 assembly tool for middle seal, see page 25 For valve maintenance SPX FLOW offers complete seal kits (see spare parts lists). Caution! The use of seal materials being compatible with the product, application and CIP liquids must be ensured.

  • Page 19: Service Instructions

    APV_DA4_UK-1_102018.indd Service Instructions The item numbers refer to the spare parts drawings DIN and Inch designs: RN 502.047.01 fig. 11.1. For the Disassembly/Assembly tools, see chapter 13. 11.1. Removal from the line system Caution! 1. Shut off the line pressure in the product and cleaning lines, and discharge the pipes if possible.

  • Page 20: Removal Of Product-Wetted Parts

    APV_DA4_UK-1_102018.indd Service Instructions 11.2. Removal of product-wetted parts fig. 11.2. 1. Remove the lower and upper housing seal (12) from the valve seat operating cam lower shaft (4). 2. Release the lower safety nut (19). Hold the lower shaft (3) with an SW17 wrench to keep it from turning.

  • Page 21: Installation Of Product-Wetted Seals And Assembly Of The Valve

    APV_DA4_UK-1_102018.indd Service Instructions 11.3. Installation of product-wetted seals and assembly of the valve fig. 11.3. Note! Make sure that all seals and bearing surfaces in operating cam the product area are slightly greased before lower shaft their installation. 1. Install the lower shaft seal (13, 14) in the lower housing flange. 4 screws 2.

  • Page 22: Installation Of The Valve Insert

    APV_DA4_UK-1_102018.indd Service Instructions fig. 11.4. 17. Screw in the stop screw (26) until it stops. Tightening torque Md = 10 Nm The stop screw must be flush with the top of the piston. 18. Fasten the adapter on the actuator with the 4 screws. 19.

  • Page 23: Maintenance Of Actuator

    APV_DA4_UK-1_102018.indd 12. Maintenance of Actuator The item numbers refer to the spare parts drawings fig. 12.1 DIN and Inch designs: RN 502.047.01 12.1 Removing the actuator screws 1. Unscrew the two actuator screws (20) with an SW36 socket wrench. 2. Remove the V-seals (24) and O-rings (23). 12.2 Installing the seals and assembling the actuator 1.

  • Page 24: Assembly Instructions And Tools For Seals

    APV_DA4_UK-1_102018.indd 13. Assembly Instructions and Tools for Seals 13.1. Lower shaft seal (pos. 13, 14) Seal For a simple disassembly and assembly of the lower shaft seal (13, seal lip 14) the universal tool (ref.-No. 000 51-13-100/17; H171889) can be used.

  • Page 25: Middle Seal

    APV_DA4_UK-1_102018.indd 13. Assembly Instructions and Tools for Seals 13.4 Middle Seal The assembly tool consists of: thrust ring thrust ring ring with venting tip housing threaded bolt ring Installation of the middle seal in the valve shaft 1. Insert the valve shaft into the housing making sure that the seal groove is in the housing.

  • Page 26: Trouble Shooting

    APV_DA4_UK-1_102018.indd 14. Trouble Shooting Failure Valve position Required seal replacement closed open Leakage at upper housing flange upper housing seal (12) Leakage from the leakage bore lower housing seal (12) and between the connecting ports seat seals (11) Leakage from the yoke upper shaft seal (13, 14) and seal of flushing chamber (15) Leakage from the inside of the lower...
  • Page 36 APV DA4 D O U B L E S E AT M I X P R O O F VA LV E S P X F L O W S P X F L O W, I n c .

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