Dover PSG Wilden P400 Engineering, Operation & Maintenance
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Dover PSG Wilden P400 Engineering, Operation & Maintenance

Dover PSG Wilden P400 Engineering, Operation & Maintenance

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Engineering
Operation &
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P400
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Where Innovation Flows
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Summary of Contents for Dover PSG Wilden P400

  • Page 1 Engineering Operation & Maintenance P400 Plastic Pump Where Innovation Flows wildenpump.com...

  • Page 2: Table Of Contents

    T A B L E O F C O N T E N T S SECTION 1 CAUTIONS — RE AD FIRS T! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 SECTION 2 W ILDEN PUMP DESIGNATION SYS TEM .

  • Page 3: Cautions - Re Ad Firs T

    S e c t i o n 1 C A U T I O N S — R E A D F I R S T ! CAUTION: Do not apply compressed air to the CAUTION: The process fluid and cleaning fluids exhaust port —...

  • Page 4: W Ilden Pump Designation Sys Tem

    S e c t i o n 2 W I L D E N P U M P D E S I G N A T I O N S Y S T E M P400 Plastic LEGEND P400 / XXXXX / XXX / XX / XXX / XXXX 38 mm (1-1/2") Pump O-RINGS...
  • Page 5 S e c t i o n 3 H O W I T W O R K S — P U M P The Wilden diaphragm pump is an air-operated, positive displacement, self-priming pump. These drawings show flow pattern through the pump upon its initial stroke. It is assumed the pump has no fluid in it prior to its initial stroke. FIGURE 1 The air valve directs pressurized FIGURE When...

  • Page 6: Dimensional Dr Aw Ings

    S e c t i o n 4 D I M E N S I O N A L D R A W I N G S P 40 0 Po lyp ro pylen e DIMENSIONS ITEM METRIC (mm) STANDARD (inch) 18.8 13.7 23.7...

  • Page 7: P400 Plastic Rubber-Fitted

    S e c t i o n 5 P E R F O R M A N C E P400 PLASTIC RUBBER-FITTED Ship Weight ..Polypropylene 19 kg (41 lb) PVDF 27 kg (59 lb) Air Inlet ........13 mm (1/2") Inlet ........

  • Page 8: P400 Plastic Reduced-Stroke Ptfe-Fitted

    P E R F O R M A N C E P400 PLASTIC REDUCED-STROKE PTFE-FITTED Ship Weight ..Polypropylene 19 kg (41 lb) PVDF 27 kg (59 lb) Air Inlet ........13 mm (1/2") Inlet ........38 mm (1-1/2") Outlet ........38 mm (1-1/2") Suction Lift .......
  • Page 9 S U C T I O N - L I F T C U R V E S P 4 0 0 P L A S T I C S U C T I O N - L I F T C A P A B I L I T Y Suction-lift curves are calibrated for pumps operating at 305 m (1,000')
  • Page 10 S e c t i o n 6 S U G G E S T E D I N S T A L L A T I O N Wilden pumps are designed to meet the performance MUFFLER: Sound levels are reduced below OSHA requirements of even the most demanding pumping specifications using the standard Wilden muffler.
  • Page 11 S U G G E S T E D O P E R A T I O N & M A I N T E N A N C E This illustration is a generic representation of an air-operated double-diaphragm pump. NOTE: In the event of a power failure, the shut off AIR-OPERATED PUMPS: To stop the pump from valve should be closed, if the restarting of the pump is...

  • Page 12: Disassembly / Reassembly

    S U G G E S T E D O P E R A T I O N & M A I N T E N A N C E restarted by reducing the fluid discharge pressure or OPERATION: The P400 are pre-lubricated, and do not require in-line lubrication.
  • Page 13 S e c t i o n 7 P U M P D I S A S S E M B L Y To o l s R e q u i r e d : CAUTION: Before any maintenance or repair is attempted, the compressed air line to the pump should be disconnected and all air pressure allowed to bleed from the •...
  • Page 14 P U M P D I S A S S E M B L Y Step 4 Step 5 Step 6 Inspect valve balls, valve seats, and Using a 9/16” wrench, loosen the Remove the inlet manifold, valve valve seat O-rings for nicks, gouges, inlet manifold from the liquid balls, valve seats and valve seat chemical attack or abrasive wear.
  • Page 15 P U M P D I S A S S E M B L Y Step 10 Step 11 Due to varying torque values, one of Remove diaphragm assembly from the following two situations may occur: shaft, secure shaft with soft jaws (a vise fitted with plywood, plastic or 1) The outer piston, diaphragm and other suitable material) to ensure...

  • Page 16: Air Valve / Center Section Disassembly

    AIR DISTRIBUTION SYSTEM (ADS) DISASSEMBLY To o l s R e q u i r e d : CAUTION: Before any maintenance or repair is attempted, the compressed air line to the pump should be disconnected and all air pressure allowed to bleed from the •...
  • Page 17 S e c t i o n 7 B AIR DISTRIBUTION SYSTEM (ADS) DISASSEMBLY Step 4 Step 5 Step 6 Remove air valve end cap to expose Remove the air valve spool from the air Remove pilot sleeve from center air valve spool by simply lifting up valve body by threading one air valve section.

  • Page 18: Reassembly Hints & Tips

    S e c t i o n 7 C R E A S S E M B L Y H I N T S & T I P S REASSEMBLY: SHAFT SEAL INSTALLATION: Upon performing applicable maintenance to the air PRE-INSTALLATION distribution system, the pump can now be reassembled.
  • Page 19 NOTES...

  • Page 20: E Xploded Vie W & Par Ts Lis Ting

    S e c t i o n 8 E X P L O D E D V I E W A N D P A R T S L I S T I N G P400 PLASTIC E X P L O D E D V I E W PLASTIC ADS REDUCED-STROKE PTFE FULL-STROKE PTFE...
  • Page 21 E X P L O D E D V I E W A N D P A R T S L I S T I N G P400 PLASTIC P A R T S L I S T I N G P400/PPPPP P400/KKPPP Item...

  • Page 22: El As Tomer Op Tions

    S e c t i o n 9 E L A S T O M E R O P T I O N S P400 Plastic FULL-STROKE FULL-STROKE BACKUP EZ-INSTSALL FULL-STROKE IPD REDUCED-STROKE MATERIAL DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2)
  • Page 23 W A R R A N T Y Each and every product manufactured by Wilden Pump and Engineering, LLC is built to meet the highest standards of quality. Every pump is functionally tested to insure integrity of operation. Wilden Pump and Engineering, LLC warrants that pumps, accessories and parts manufactured or supplied by it to be free from defects in material and workmanship for a period of five (5) years from date of installation or six (6) years from date of manufacture, whichever comes first.
  • Page 24 This is a non-contractual document. 11-2018 Authorized PSG Representative: 22069 Van Buren St., Grand Terrace, CA 92313-5607 P: +1 (909) 422-1730 • F: +1 (909) 783-3440 Copyright ©2018, PSG ® , A Dover Company wildenpump.com WIL-11241-E-03 REPLACES WIL-11241-E-02...

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