PSG Wilden P4 Series Engineering, Operation & Maintenance
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PSG Wilden P4 Series Engineering, Operation & Maintenance

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Engineering
Operation &
Maintenance
P4
Metal Pump
Where Innovation Flows
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  • Page 1 Engineering Operation & Maintenance Metal 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—READ FIRST! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 SECTION 2 WILDEN PUMP DESIGNATION SYSTEM .

  • Page 3: Cautions-Read First

    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: Wilden Pump Designation System

    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 P4 METAL LEGEND P4 / XX XXX / XXX / XX / X XX / 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 2 When the pressurized diaphragm, FIGURE 3 At completion of the stroke,...

  • Page 6: Dimensional Drawings

    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 P4 M e t a l DIMENSIONS ITEM METRIC (mm) STANDARD (inch) 14.5 16.9 12.6 10.3...

  • Page 7: P4 Metal Rubber-Fitted

    S e c t i o n 5 P E R F O R M A N C E A . P 4 P e r f o r m a n c e C u r v e s P4 METAL RUBBER-FITTED Ship Weight ....

  • Page 8: P4 Metal Reduced-Stroke Ptfe-Fitted

    P E R F O R M A N C E P4 METAL REDUCED-STROKE PTFE-FITTED Ship Weight ....Aluminum 13 kg (29 lb) 316 Stainless Steel 20 kg (45 lb) Cast Iron 22 kg (49 lb) Alloy C 23 kg (51 lb) Air Inlet ........19 mm (3/4") Inlet ........38 mm (1-1/2") Outlet ........

  • Page 9: P4 Metal Ultra-Flex -Fitted

    P E R F O R M A N C E P4 METAL ULTRA-FLEX -FITTED Ship Weight ....Aluminum 13 kg (29 lb) 316 Stainless Steel 20 kg (45 lb) Cast Iron 22 kg (49 lb) Alloy C 23 kg (51 lb) Air Inlet ........

  • Page 10: Suction-Lift Curves

    S U C T I O N - L I F T C U R V E S P 4 M E T A L 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 The number of intake and discharge elbows, viscosity at 305 m (1,000') above sea level.
  • Page 11 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 12 S U G G E S T E D I N S T A L L A T I O N This illustration is a generic GAUGE representation of an air-operated (OPTIONAL) double-diaphragm pump. EQUALIZER SHUT-OFF SURGE DAMPENER VALVE (OPTIONAL) DISCHARGE FLEXIBLE CONNECTION...

  • Page 13: 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 OPERATION: The P4 pumps are pre-lubricated, and do situation and can be restarted by reducing the fluid discharge pressure or increasing the air inlet pressure.
  • Page 14 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 15 P U M P D I S A S S E M B L Y Step 4 Step 5 Step 6 Remove the discharge valve balls Using a 1/2" wrench, remove the Lift liquid chambers and center and seats from the liquid chambers two (2) large clamp bands which section from intake manifold to and inspect for nicks, chemical...
  • Page 16 P U M P D I S A S S E M B L Y Step 9B Step 10 2) The outer piston, diaphragm and To remove diaphragm assembly from inner piston separate from the shaft shaft, secure shaft with soft jaws (a which remains connected to the vise fitted with plywood, plastic or opposite side diaphragm assembly.
  • Page 17 A I R V A L V E / C E N T E R S E C T I O N 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 18 A I R V A L V E / C E N T E R S E C T I O N D I S A S S E M B L Y Step 4 Step 5 Step 6 Remove air valve spool from air Remove air valve end cap to expose Remove pilot spool retaining snap valve body by threading one air...
  • Page 19 A I R V A L V E / C E N T E R S E C T I O N D I S A S S E M B L Y Step 10A Step 10B Check center block shaft seals for NOTE: Threaded sleeves (see A signs of wear.
  • Page 20 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 21 G A S K E T K I T I N S T A L L A T I O N Only P4 Cast Iron pumps come standard with and all mating surfaces. If necessary, smooth or expanded PTFE Gasket Kits (P/N 04-9502-99).

  • Page 22: Exploded View & Parts Listing

    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 P4 METAL F u l l - S t r o k e D i a p h r a g m - F i t t e d E X P L O D E D V I E W FULL-STROKE PTFE-FITTED ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS (see Section 9).
  • Page 23 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 P4 METAL F u l l - S t r o k e D i a p h r a g m - F i t t e d P A R T S L I S T I N G P4/AAPP P4/WAPP...

  • Page 24: P4 Metal Reduced-Stroke Diaphragm-Fitted

    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 P4 METAL R e d u c e d - S t r o k e D i a p h r a g m - F i t t e d E X P L O D E D V I E W ULTRA-FLEX™-FITTED ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS (see Section 9).
  • Page 25 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 P4 METAL R e d u c e d - S t r o k e D i a p h r a g m - F i t t e d P A R T S L I S T I N G P4/AAPP P4/WAPP...
  • Page 26 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 P4 METAL SANIFLO™ 1 9 3 5 / 2 0 0 4 / E C E X P L O D E D V I E W FULL-STROKE PTFE FULL-STROKE IPD...
  • Page 27 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 P4 METAL SANIFLO™ 1 9 3 5 / 2 0 0 4 / E C P A R T S L I S T I N G P4/SSPPP/ P4/SSPPP/...

  • Page 28: P4 Metal Saniflo™ 1935/2004/Ec

    S e c t i o n 9 E L A S T O M E R O P T I O N S P4 METAL REDUCED-STROKE FULL-STROKE ULTRA-FLEX™ BACKUP BACKUP VALVE SEAT MATERIAL DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) VALVE BALLS (4) VALVE SEATS (4)
  • Page 29 DECLARATION OF CONFORMITY STATEMENT OF COMPLIANCE TO REGULATIONS (EC) NO 1935/2004 ON MATERIALS AND ARTICLES INTEDNDED TO COME INTO CONTACT WITH FOOD (as per Article 16 of EGULATION (EC) No 1935/2004) Wilden Pump & Engineering, LLC, 22069 Van Buren Street, Grand Terrace, CA 92313-5607 USA, certifies as the manufacturer that the Air-Operated Double Diaphragm pumps listed below comply with the European Community Regulation 1935/2004/(EC) for Food Contact Materials.
  • Page 30 N O T E S...
  • Page 31 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 32 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-10183-E-03 REPLACES WIL-10183-E-02...

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