Pfeiffer Vacuum DUO 3 Operating Instructions Manual
Rotary vane pump
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Summary of Contents for Pfeiffer Vacuum DUO 3
- Page 1 OPERATING INSTRUCTIONS Translation of the Original DUO 3 ∣ DUO 3 M ∣ DUO 3 MC Rotary vane pump...
- Page 2 Dear Customer, Thank you for choosing a Pfeiffer Vacuum product. Your new rotary vane pump is designed to support you by its performance, its perfect operation and without interfering your individual application. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete range of top-quality products and first-class service.
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Page 3: Table Of Contents
Proper use Foreseeable improper use Responsibilities and warranty Owner requirements 2.10 Personnel qualification 2.10.1Ensuring personnel qualification 2.10.2Personnel qualification for maintenance and repair 2.10.3Advanced training with Pfeiffer Vacuum 2.11 Operator requirements Product description Identifying the product Scope of Delivery Function Operating principle... - Page 4 Recycling and disposal General disposal information Dispose of rotary vane pump Malfunctions Service solutions by Pfeiffer Vacuum Spare parts 12.1 Ordering spare part packages 12.2 Maintenance kit 1 – maintenance level 1 12.3 Radial shaft seal ring set – Maintenance level 2 12.4 Maintenance kit 2 –...
- Page 5 Conversion table: Pressure units Tbl. 12: Conversion table: Units for gas throughput Tbl. 13: Materials that make contact with the process media Tbl. 14: Technical data, Duo 3 Tbl. 15: Technical data, Duo 3 M Tbl. 16: Technical data, Duo 3 MC 5/62...
- Page 6 Fig. 21: Dimensions Duo 3 M - 115/230 V, 50/60 Hz, switchable Fig. 22: Dimensions Duo 3 M - 200 – 240 V, 50/60 Hz Fig. 23: Dimensions Duo 3 M - 100 – 115 V, 50/60 Hz Fig. 24: Dimensions Duo 3 M - 100/200 V, 50/60 Hz, switchable Fig.
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Page 7: About This Manual
Keep the manual for future consultation. 1.1 Validity This operating instructions is a customer document of Pfeiffer Vacuum. The operating instructions de- scribe the functions of the named product and provide the most important information for the safe use of the device. The description is written in accordance with the valid directives. The information in this op- erating instructions refers to the product's current development status. -
Page 8: Pictographs
About this manual Sequence of multi-part action steps The numerical list indicates an action with multiple necessary steps. 1. Step 1 2. Step 2 3..1.3.2 Pictographs Pictographs used in the document indicate useful information. Note 1.3.3 Stickers on the product This section describes all the stickers on the product along with their meaning. -
Page 9: Abbreviations
About this manual Fig. 1: Position of the stickers on the product 1 Rating plate of the rotary vane vacuum pump Operating fluid F4/D1, alternative to item 2: Fill with operating fluid before commissioning 2 Operating fluid P3: Motor rating plate Fill with operating fluid before commissioning Operating fluid F4/D1 (alternative): Caution: fill with F4 or D1 only... -
Page 10: Safety
Safety 2 Safety 2.1 General safety information The following 4 risk levels and 1 information level are taken into account in this document. DANGER Immediately pending danger Indicates an immediately pending danger that will result in death or serious injury if not observed. ►... - Page 11 ► Install suitable touch protection if the vacuum pump is accessible to untrained persons. ► Allow the vacuum pump to cool down before carrying out any work. ► Contact Pfeiffer Vacuum for suitable touch protection in system solutions. Risks during operation...
- Page 12 ► Install suitable touch protection if the vacuum pump is accessible to untrained persons. ► Allow the vacuum pump to cool down before carrying out any work. ► Contact Pfeiffer Vacuum for suitable touch protection in system solutions. Risks during maintenance, decommissioning and malfunctions...
- Page 13 Safety WARNING Danger to life from electric shock in the event of a fault In the event of a fault, devices connected to the mains may be live. There is a danger to life from electric shock when making contact with live components. ►...
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Page 14: Safety Precautions
Safety 2.3 Safety precautions Duty to provide information on potential dangers The product holder or user is obliged to make all operating personnel aware of dangers posed by this product. Every person who is involved in the installation, operation or maintenance of the product must read, understand and adhere to the safety-related parts of this document. -
Page 15: Proper Use
These oils oxidize heavily and thus lose their lubricating capacity. 2.8 Responsibilities and warranty Pfeiffer Vacuum shall assume no responsibilities and warranty if the operating company or a third party: ● disregards this document ● does not use the product for its intended purpose ●... -
Page 16: Personnel Qualification
Such training must ensure that individuals are capable of carrying out the required activi- ties and work steps safely and properly. 2.10.2 Personnel qualification for maintenance and repair Advanced training courses Pfeiffer Vacuum offers advanced training courses to maintenance levels 2 and 3. Adequately trained individuals are: 16/62... -
Page 17: 3Advanced Training With Pfeiffer Vacuum
─ Customer with Pfeiffer Vacuum service training ─ Pfeiffer Vacuum service technician 2.10.3 Advanced training with Pfeiffer Vacuum For optimal and trouble-free use of this product, Pfeiffer Vacuum offers a comprehensive range of courses and technical trainings. For more information, please contact Pfeiffer Vacuum technical training. -
Page 18: Product Description
3 Product description 3.1 Identifying the product ► To ensure clear identification of the product when communicating with Pfeiffer Vacuum, always keep all of the information on the rating plate to hand. ► Observe the motor-specific data on the motor rating plate attached separately. -
Page 19: Operating Principle
Product description 13 14 Fig. 2: Structure of the rotary vane pump 1 Handle stand 2 Mains switch Drain screw for operating fluid 3 Rubber connector Sight glass 4 Motor Filling screw for operating fluid 5 Base plate Connection for the operating fluid return 6 Motor flange Vacuum flange with protective cap 7 Intermediate flange (only with M version) - Page 20 Product description The rotary vane pump is an oil-sealed rotational displacement pump. The pumping system is made up of the housing, the eccentrically mounted rotor, and the centrifugally- and spring-loaded radially sliding vanes, which divide the suction chamber into multiple chambers. The volume of each chamber changes periodically as the rotor rotates.
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Page 21: Transportation And Storage
► Do not stack the products. ► Wear protective equipment, e.g. safety shoes. Preparations for transport Pfeiffer Vacuum recommends keeping the transport packaging and original protective cov- General information regarding safe transport 1. Observe the weight specified on packaging. 2. Use a transport aid if necessary (trolley, lift truck). - Page 22 Transportation and Storage Procedure 1. Fill the vacuum pump with operating fluid up to the upper edge of the sight glass. 2. Close both connection flanges and all openings on the vacuum pump. 3. Make sure that the gas ballast valve is closed. 4.
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Page 23: Installation
NOTICE Property damage from contaminated gases Pumping gases that contain contamination damages the vacuum pump. ► Use suitable filters or separators from the Pfeiffer Vacuum range of accessories, to protect the vacuum pump. Installation and operation of accessories Pfeiffer Vacuum offers a series of special, compatible accessories for its rotary vane pumps. -
Page 24: Connecting The Exhaust Side
6. Support or suspend the piping to the vacuum pump so that no piping system forces act on the vacuum pump. 7. Connect both flanges with a circlip. 8. Use a separator or filter from the Pfeiffer Vacuum line of accessories if necessary. -
Page 25: Connect To Mains Power Supply
Installation Fig. 7: Exhaust connection with flange connection 1 Exhaust line Centering ring with nozzle and O-rings 2 Protective cap Circlip Procedure 1. Remove the protective cap from the exhaust flange. 2. Observe the centering ring with nozzle including the corresponding O-rings (2×). 3. -
Page 26: Fig. 8: Motor Circuit Diagram, Single-Phase Motor With Switch
Installation NOTICE Property damage from the voltage range being set incorrectly Recommissioning after longer downtimes of the vacuum pump or after changing the oil requires the current settings to be checked. ► Before switching the vacuum pump on each time, check the currently set voltage range. ►... -
Page 27: Filling The Operating Fluid
Vacuum are also excluded. ► Only use approved operating fluids. ► Only use other application-specific operating fluids after consultation with Pfeiffer Vacuum. The type of operating fluid specified, as well as the filling quantity for the entire rotary vane vacuum pump, are shown on the rating plate. -
Page 28: Fig. 10: Filling The Operating Fluid
Installation Approved operating fluids ● P3 (standard design) ● F4 (operating fluid for corrosive gas version) ● D1 for special applications (such as higher operating temperatures) Read the operating fluid type on the rating plate ► Refer to the rating plate of the vacuum pump for type and quantity of intended operating fluid. Required consumables ●... -
Page 29: Operation
► Install suitable touch protection if the vacuum pump is accessible to untrained persons. ► Allow the vacuum pump to cool down before carrying out any work. ► Contact Pfeiffer Vacuum for suitable touch protection in system solutions. 29/62... -
Page 30: Operating The Rotary Vane Pump With Gas Ballast
Operation NOTICE Risk of damage to the drive from increased motor current consumption At an intake pressure of approximately 300 hPa and under unfavorable operating conditions (such as for example exhaust side counterpressure), the power input exceeds the rated current. ►... -
Page 31: Refilling Operating Fluid
Operation geöffnet/ open geschlossen/ closed Fig. 11: Gas ballast valve Behavior with process gases with condensable vapors ► Operate the vacuum pump with gas ballast, i.e. with the gas ballast valve open. Open gas ballast valve ► Rotate the knob on the gas ballast valve to the left to open, into position “1”. Close gas ballast valve ►... -
Page 32: Switching Off The Vacuum Pump
► Shut off the intake line with an additional shut-off valve, after the vacuum pump is switched off during longer venting operations. Pfeiffer Vacuum rotary vane pumps have an integral vacuum safety valve on the intake side. The vac- uum safety valve automatically closes from a differential pressure of ≥250 hPa between the exhaust and intake sides, when the vacuum pump is switched off, and vents the vacuum pump. -
Page 33: Maintenance
► Dismantle the vacuum pump for inspection, away from the system if necessary. NOTICE Danger of property damage from improper maintenance Unprofessional work on the vacuum pump will lead to damage for which Pfeiffer Vacuum accepts no liability. ► We recommend taking advantage of our service training offering. -
Page 34: Maintenance Instructions For Magnetic Coupling
You can carry out maintenance work at Maintenance Level 1 yourself. We recommend Pfeiffer Vacuum Service for carrying out maintenance work of Maintenance Level 2 and Maintenance Level 3 (revision). If the required intervals listed below are exceeded, or if mainte- nance work is carried out improperly, no warranty or liability claims are accepted on the part of Pfeiffer Vacuum. -
Page 35: Change The Operating Fluid
► Wear protective equipment. ► Use a suitable collection receptacle. Pfeiffer Vacuum recommends determining the precise service life of the operating fluid in the first operating year. The service life may deviate from the reference value specified depending on thermic and chemical loads, and the accumulation of suspended particles and condensate in the oper- ating fluid. -
Page 36: Determine The Degree Of Aging Of P3 Operating Fluid
Should process conditions change, you can convert to a different operating fluid type. Safety data sheets You can obtain the safety data sheets for operating fluids from Pfeiffer Vacuum on request, or from the Pfeiffer Vacuum Download Center. -
Page 37: Changing The Operating Fluid
► Wear protective equipment. ► Use a suitable collection receptacle. Cleaning by changing the operating fluid Pfeiffer Vacuum recommends, in cases of heavy contamination with process residues, cleaning the inside of the vacuum pump with several operating fluid changes. Prerequisites ●... -
Page 38: Rinsing And Cleaning The Rotary Vane Vacuum Pump
– Tightening torque: 0.3 Nm 7.4.3 Rinsing and cleaning the rotary vane vacuum pump Cleaning by changing the operating fluid Pfeiffer Vacuum recommends, in cases of heavy contamination with process residues, cleaning the inside of the vacuum pump with several operating fluid changes. Prerequisites ●... -
Page 39: Cleaning The Gas Ballast Valve
Maintenance Fig. 14: Remove/fit rotary vane vacuum pump cap 1 Allen head screw (2×) Pumping system 2 Cap Stand 3 O-ring Remove the cap 1. Drain the operating fluid. 2. Unscrew both Allen head screws from the cap. 3. Remove the cap from the stand in axial direction. –... -
Page 40: Fig. 15: Gas Ballast Valve
Maintenance ballig/ convex Fig. 15: Gas ballast valve 1 O-ring Compression spring 2 Screw cap Washer 3 Valve flap Circlip 4 Valve housing Cam plate 5 O-ring Countersink screw (2×) 6 Tappet Head 7 Cylinder bolt Countersink screw Required tools ●... -
Page 41: Clean The Gas Ballast Valve, Corrosive Gas Version
Maintenance 12. Install the complete valve with O-ring in the vacuum pump. 13. Tighten the countersunk head screws (2x). – Tightening torque: 1.0 Nm. 7.6 Clean the gas ballast valve, corrosive gas version Fig. 16: Gas ballast valve with flushing gas connection 1 Circlip Screw (2×) 2 Spindle... -
Page 42: Changing The Operating Fluid Type
Maintenance Assemble the gas ballast valve with flushing gas connection 1. Determine the curve of the valve flap and place the valve flap in the screw cap with the curved side facing downwards. 2. Screw the screw cap and the valve housing hand tight. 3. -
Page 43: Decommissioning
10. Pack the vacuum pump together with a drying agent in a plastic bag, and seal the vacuum pump airtight if it is to be stored in rooms with damp or aggressive atmospheres. 11. For longer storage periods (> 2 years), Pfeiffer Vacuum recommends changing the operating fluid again prior to recommissioning. -
Page 44: Recycling And Disposal
– Fluoroelastomers (FKM) – Potentially contaminated components that come into contact with media 9.2 Dispose of rotary vane pump Pfeiffer Vacuum rotary vane pumps contain materials that you must recycle. 1. Fully drain the lubricant. 2. Dismantle the motor. 3. Decontaminate the components that come into contact with process gases. -
Page 45: Malfunctions
► Dismantle the vacuum pump for inspection, away from the system if necessary. NOTICE Danger of property damage from improper maintenance Unprofessional work on the vacuum pump will lead to damage for which Pfeiffer Vacuum accepts no liability. ► We recommend taking advantage of our service training offering. -
Page 46: Tbl. 7: Troubleshooting For Rotary Vane Pumps
● Operating fluid level too ● Top up the operating fluid. ● Leak in system ● Locate and eliminate the leak. ● Vacuum pump is dam- ● Contact Pfeiffer Vacuum Serv- aged ice. Pumping speed of vacuum ● The intake line is not suit- ●... -
Page 47: Service Solutions By Pfeiffer Vacuum
We are always focused on perfecting our core competence – servicing of vacuum components. Once you have purchased a product from Pfeiffer Vacuum, our service is far from over. This is often exactly where service begins. Obviously, in proven Pfeiffer Vacuum quality. - Page 48 Service solutions by Pfeiffer Vacuum 5. Prepare the product for transport in accordance with the provisions in the contamination declaration. a) Neutralize the product with nitrogen or dry air. b) Seal all openings with blind flanges, so that they are airtight.
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Page 49: Spare Parts
Spare parts 12 Spare parts 12.1 Ordering spare part packages Procedure 1. Have the vacuum pump part number to hand, along with other details from the rating plate if nec- essary. 2. Install original spare parts only. Spare part package Pump version Order number Maintenance kit 1 –... -
Page 50: Set Of Vanes
Spare parts ● Set of seals ● Wear parts of the pumping system (including vane and springs) ● Wear parts of the vacuum safety valve ● Wear parts of the gas ballast valve 12.6 Set of vanes The set of vanes contains: ●... -
Page 51: Accessories
Accessories 13 Accessories View the range of accessories for rotary vane pumps on our website. 13.1 Accessory information Condensate separator Protects the pump from liquids from inlet line or backlow from exhaust line Oil mist filter Prevents emission of oil mist Oil return Transports separated operating fluid back from OME to rotary vane pump Dust separator Protects the pump against particles from the processes... - Page 52 Accessories Description Order no. Standard | M version MC version Gas ballast valve with solenoid valve, 24 V DC PK 194 343 -U PK 194 343 -U Blank Flange, Gas Ballast Valve PK 007 002 -T PK 007 002 -T Tbl.
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Page 53: Technical Data And Dimensions
Technical data and dimensions 14 Technical data and dimensions 14.1 General Basis for the technical data of Pfeiffer Vacuum rotary vane pumps: ● Specifications according to PNEUROP committee PN5 ● ISO 21360-1: 2016: “Vacuum technology - Standard methods for measuring vacuum-pump per- formance - Part 1: General description”... -
Page 54: Technical Data
Radial shaft seal ring (RSSR) Containment shell Synthetic Tbl. 13: Materials that make contact with the process media 14.3 Technical data Type designation Duo 3 Duo 3 Duo 3 Duo 3 Part number PK D77 707 PK D77 710 PK D77 711... -
Page 55: Tbl. 14: Technical Data, Duo
0.4 l amount Weight 13.5 kg 15 kg 15 kg 13 kg Tbl. 14: Technical data, Duo 3 Type designation Duo 3 M Duo 3 M Duo 3 M Duo 3 M Part number PK D77 107 PK D77 110... -
Page 56: Tbl. 15: Technical Data, Duo 3 M
0.4 l 0.4 l Weight 14.5 kg 16 kg 16 kg 14 kg Tbl. 15: Technical data, Duo 3 M Type designation Duo 3 MC Part number PK D77 211 Connection flange (in) DN 16 ISO-KF Connection flange (out) DN 16 ISO-KF Pumping speed at 50 Hz 2.5 m³/h... -
Page 57: Dimensions
ø 142 ± 1 Fig. 17: Dimensions Duo 3 - 115/230 V, 50/60 Hz, switchable 354 2 + 29.5 C14-plug DN 16 ISO-KF 122.5 142 1 ± Fig. 18: Dimensions Duo 3 - 200 – 240 V, 50/60 Hz 57/62... -
Page 58: Version
Technical data and dimensions 370.7 2 + DN 16 ISO-KF C14-plug 122.5 142 ±1 Fig. 19: Dimensions Duo 3 - 100 – 115 V, 50/60 Hz 392.7 2 + DN 16 ISO-KF C14-plug 122.5 142.5 ±1 Fig. 20: Dimensions Duo 3 - 100/200 V, 50/60 Hz, switchable 14.4.2 M Version... -
Page 59: Fig. 22: Dimensions Duo 3 M - 200 - 240 V, 50/60 Hz
Technical data and dimensions 396 2 + 29.5 DN 16 ISO-KF C14-plug 142 ±1 Fig. 22: Dimensions Duo 3 M - 200 – 240 V, 50/60 Hz 413.7 2 + DN 16 ISO-KF C14-plug 122.5 142 ±1 Fig. 23: Dimensions Duo 3 M - 100 – 115 V, 50/60 Hz 435.7... -
Page 60: 3Mc Version
Technical data and dimensions 14.4.3 MC Version 425.5 DN 16 ISO-KF C14-plug Switch 122.5 Fig. 25: Dimensions Duo 3 MC - 115/230 V, 50/60 Hz, switchable 60/62... -
Page 61: Declaration Of Conformity
DIN EN ISO 2151: 2009 ISO 21360-2: 2012 DIN EN IEC 63000:2019 The authorized representative for the compilation of technical documents is Mr. Wolf- gang Bremer, Pfeiffer Vacuum GmbH, Berliner Straße 43, 35614 Asslar, Germany. Signature: Pfeiffer Vacuum GmbH Berliner Straße 43...
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