Dover PSG WILDEN P8 Series Engineering, Operation & Maintenance
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Dover PSG WILDEN P8 Series Engineering, Operation & Maintenance

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Engineering
Operation &
Maintenance
P8
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 P8 METAL LEGEND P8 / XXXXX / XXX / XX / XXX / XXXX 51 mm (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 DIMENSIONS P 8 M e t a l ITEM METRIC (mm) STANDARD (inch) 15.9 14.0 24.8...

  • Page 7: P8 Metal Rubber-Fitted

    S e c t i o n 5 P E R F O R M A N C E P8 METAL RUBBER-FITTED Ship Weight ..Aluminum 32 kg (70 lb) 316 Stainless Steel 51 kg (112 lb) Cast Iron 47 kg (104 lb) Alloy C 52 kg (114 lb) Air Inlet ........13 mm (1/2”) Inlet ..........51 mm (2”)

  • Page 8: P8 Metal Reduced-Stroke Ptfe-Fitted

    S e c t i o n 5 A P E R F O R M A N C E P8 METAL REDUCED-STROKE PTFE-FITTED Ship Weight ..Aluminum 32 kg (70 lb) 316 Stainless Steel 51 kg (112 lb) Cast Iron 47 kg (104 lb) Alloy C 52 kg (114 lb) Air Inlet ........

  • Page 9: P8 Metal Ultra-Flex™-Fitted

    P E R F O R M A N C E P8 METAL ULTRA-FLEX™-FITTED Ship Weight ..Aluminum 32 kg (70 lb) 316 Stainless Steel 51 kg (112 lb) Cast Iron 47 kg (104 lb) Alloy C 52 kg (114 lb) Air Inlet ........

  • Page 10: Suction-Lift Curves

    S e c t i o n 5 A S U C T I O N - L I F T C U R V E S P 8 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...
  • 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 e c t i o n 5 A 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 representation of an air-operated GAUGE double-diaphragm pump.
  • Page 13 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 P8 pumps are pre-lubricated, and do restarted by reducing the fluid discharge pressure or increasing the air inlet pressure.

  • Page 14: Disassembly / Reassembly

    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 Remove the two (2) small clamp Lift liquid chambers and center and seats from the liquid chambers bands which fasten the intake 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 inner piston separate from the shaft from shaft, secure shaft with soft which remains connected to the jaws (a vise fitted with plywood, 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 end cap to expose Remove air valve spool from air Remove pilot spool retaining snap air valve spool by simply lifting up...
  • 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 10A) 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 Carefully prepare sealing surfaces by removing all deburr all sealing surfaces. Mating surfaces must debris and foreign matter from diaphragm bead be properly aligned in order to ensure positive and all mating surfaces.

  • 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 & P A R T S L I S T I N G P8 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 & P A R T S L I S T I N G P8 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 P8/SSAPP/0070 P8/AAAPP...

  • Page 24: P8 Metal Reduced-Stroke Diaphragm-Fitted

    E X P L O D E D V I E W & P A R T S L I S T I N G P8 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™...
  • Page 25 E X P L O D E D V I E W & P A R T S L I S T I N G P8 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 P8/SSAPP/0070 P8/AAAPP...
  • Page 26 E X P L O D E D V I E W & P A R T S L I S T I N G P8 METAL SANIFLO™ 1935/2004/EC E X P L O D E D V I E W FULL-STROKE PTFE REDUCED-STROKE PTFE FULL-STROKE IPD...
  • Page 27 E X P L O D E D V I E W & P A R T S L I S T I N G P8 METAL SANIFLO™ 1935/2004/EC P A R T S L I S T I N G P8/SSAPP/ P8/SSAPP/ 1935/2004/EC...

  • Page 28: P8 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 P8 Metal REDUCED-STROKE FULL-STROKE ULTRA-FLEX™ BACKUP VALVE VALVE VALVE SEAT BACKUP MATERIAL DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) BALLS (4) 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. 07-2018 ® 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-10184-E-01...

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