Wilden P4 Engineering, Operation & Maintenance
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Wilden P4 Engineering, Operation & Maintenance

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Summary of Contents for Wilden P4

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

  • Page 2: Table Of Contents

    P4 Plastic Reduced Stroke, 3-Piece Center-Section . . . . . . . . . . . . . . . . .

  • Page 3: Cautions-Read First

    . Consult engineering during reassembly . guide for chemical compatibility and temperature limits . CAUTION: The P4 plastic pump is not submersible . CAUTION: Always wear safety glasses when operating pump . If diaphragm rupture occurs, CAUTION: Pumps should be flushed thoroughly material being pumped may be forced out air with water before installation into process line .

  • Page 4: Wilden Pump Designation System

    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 LEGEND P4 PLASTIC P4 / XXXXX / XXX / XX / XXX / XXXX O-RINGS 38 mm (1-1/2") Pump...
  • Page 5 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.

  • Page 6: Dimensional Drawing

    11.8 11.3 DIN FLANGE 109 DIA. 4.3 DIA. 150 DIA. 5.9 DIA. 18 DIA. 0.7 DIA. ANSI FLANGE 99 DIA. 3.9 DIA. 127 DIA. 5.0 DIA. 20 DIA. 0.8 DIA. LW0496 REV . A WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...

  • Page 7: P4 Plastic Rubber-Fitted

    Caution: Do not exceed 8.6 bar (125 psig) For optimum life and performance, pumps should be specified so that daily operation air supply pressure. parameters will fall in the center of the pump's performance curve. WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...

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

    For optimum life and performance, pumps should be specified so that daily operation Nm³/hr air consumption . parameters will fall in the center of the pump's performance curve. Caution: Do not exceed 8.6 bar (125 psig) air supply pressure. WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...

  • Page 9: Suction-Lift Curves

    (atmospheric pressure) and to be a guide only . There are many variables which can pipe friction loss all affect the amount of suction lift affect your pump’s operating characteristics . your pump will attain . WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...
  • Page 10 S U G G E S T E D I N S T A L L A T I O N The P4 pump has a 38 mm (1-1/2") inlet and 38 mm (1-1/2") pump performance . Pumping volume can be set by outlet and is designed for flows to 354 lpm (94 gpm) .
  • Page 11 . This shut-off valve should be located far enough away from the pumping equipment such that it can be reached safely in an emergency situation . WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...
  • Page 12 . Additional lubrication air inlet pressure . The Wilden P4 pump runs solely on will not damage the pump, however if the pump is compressed air and does not generate heat, therefore heavily lubricated by an external source, the pump’s...

  • Page 13: Disassembly/Reassembly

    • Vise equipped with The Wilden P4 has a 38 mm (1-1/2") inlet and outlet and is designed for flows up soft jaws (such as to 354 lpm (94 gpm) . Its air distribution system is based on a revolutionary design plywood, plastic which increases reliability and performance .
  • Page 14 Remove the two small clamp bands which fasten the the liquid chambers and inspect for nicks, gouges, intake manifold to the liquid chambers . chemical attack or abrasive wear . Replace worn parts with genuine Wilden parts for reliable performance . Step 6. Figure 6 Step 7.
  • Page 15 . Inspect diaphragm assembly and shaft for signs wrench, remove diaphragm of wear or chemical attack . Replace all worn parts with genuine Wilden assembly from shaft . parts for reliable performance . WILDEN PUMP & ENGINEERING, LLC...

  • Page 16: Air Valve / Center-Section Disassembly

    A 13 mm (1/2") air inlet connects the air supply to the center section . Proprietary • O-Ring Pick composite seals reduce the co efficient of friction and allow the P4 to run lube-free . The Pro-Flo air distri bution system is designed to perform in on/off, non-freezing, ®...
  • Page 17 . NOTE: Seals should not be removed from pilot spool . Seals are not sold separately . WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...

  • Page 18: Reassembly Hints & Tips

    Large Clamp Band (Rubber-Fitted) 18.6 N•m (165 in-lb) Large Clamp Band (PTFE-Fitted) 18.6 N•m (165 in-lb) Air Chamber Screws (HSFHS 3/8"-16) 47.5 N•m (35 ft-lb) NEEDLE-NOSE Figure B Figure A PLIERS GLYD™ RING TAPE WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...

  • Page 19: Ptfe Gasket Kit Installation

    S e c t i o n 8 D G A S K E T K I T I N S T A L L A T I O N Only P4 PVDF pumps come standard with expanded If necessary, smooth or deburr all sealing surfaces .

  • Page 20: P4 Plastic Full-Stroke, 3-Piece Center-Section

    F U L L - S T R O K E / 3 - P I E C E C E N T E R - S E C T I O N EX P L O D ED V IE W FULL-STROKE PTFE-FITTED WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...
  • Page 21 Air Valve Assembly includes item numbers 2 and 3. DIN Flange: Polypropylene = P/N 04-5160-20-504 PVDF = P/N 04-5160-21-504 0502 Specialty Code = PFA-Coated Hardware *Refer to elastomer chart in Section 10. All boldface items are primary wear parts. WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...

  • Page 22: P4 Plastic Reduced Stroke, 3-Piece Center-Section

    R E D U C E D - S T R O K E / 3 - P I E C E C E N T E R - S E C T I O N E X P L O D E D V I E W WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...
  • Page 23 04-2650-49-700 04-2650-49-700 04-2650-49-700 04-2650-49-700 04-2650-49-700 04-2650-49-700 *Air Valve Assembly includes item numbers 2 and 3. DIN Flange: Polypropylene = P/N 04-5160-20-504 PVDF = P/N 04-5160-21-504 0502 Specialty Code = PFA-Coated Hardware All boldface items are primary wear parts. WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...

  • Page 24: Elastomer Options

    PTFE PFA 04-1120-22-500 PTFE Encap. (FKM) 04-1200-60-500 04-1300-60-500 Polyurethane 04-1010-50 04-1080-50 04-1200-50-500 04-1300-50-500 Saniflex™ 04-1010-56 04-1080-56 04-1060-56 04-1065-56 Wil-Flex™ 04-1010-58 04-1080-58 04-1065-57 Polypropylene 04-1120-20-500 PVDF 04-1120-21-500 Backup diaphragms for use with PTFE diaphragms only. WILDEN PUMP & ENGINEERING, LLC WIL-10160-E-10...
  • Page 25 S e c t i o n 8 D N O T E S...
  • Page 26 S e c t i o n 8 C N O T E S...
  • Page 27 . Since the use of Wilden pumps and parts is beyond our control, we cannot guarantee the suitability of any pump or part for a particular application and Wilden Pump and Engineering, LLC shall not be liable for any consequential damage or expense arising from the use or misuse of its products on any application .
  • Page 28 Where Innovation Flows reserves the right to modify the information and illustrations contained in this document without prior notice. 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...

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