Wilden P400 Engineering, Operation & Maintenance
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Wilden P400 Engineering, Operation & Maintenance

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  • Page 1 Engineering Operation & Maintenance P400/PX400 Plastic Pump W h e r e I n n o v a t i o n F l o w s www.wildenpump.com...

  • Page 2: Table Of Contents

    PERFORMANCE A . P400 Plastic Performance Curves Rubber-Fitted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 TPE-Fitted .

  • Page 3: Cautions - Re Ad Firs T

    (submersible) supply pressure. configuration. CAUTION: The process fluid and cleaning fluids CAUTION: Tighten all hardware prior to installation. must be chemically compatible with all wetted pump components. Consult Chemical Resistance Guide. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 4: W Ilden Pump Designation Sys Tem

    0504 DIN flange 0506 DIN flange, PFA coated hardware 0604 DIN flange Wil‑Gard II™ 220V NOTE: Most elastomeric materials use colored dots for identification. Viton is a registered trademark of DuPont Dow Elastomers. ® WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • 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 Dr Aw Ings

    13.7 12.6 10.4 DIN FLANGE 110 DIA. 4.3 DIA. 149 DIA. 5.9 DIA. 18 DIA. 0.7 DIA. ANSI FLANGE 98 DIA. 3.9 DIA. 126 DIA. 5.0 DIA. 16 DIA. 0.6 DIA. LW0325 REV. A WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 7 13.8 12.6 10.4 DIN FLANGE 110 DIA. 4.3 DIA. 149 DIA. 5.9 DIA. 18 DIA. 0.7 DIA. ANSI FLANGE 98 DIA. 3.9 DIA. 126 DIA. 5.0 DIA. 16 DIA. 0.6 DIA. LW0327 REV. A WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 8: Rubber-Fitted

    Flow rates indicated on chart were determined by pumping water. air supply pressure. For optimum life and performance, pumps should be specified so that daily operation parameters will fall in the center of the pump's performance curve. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 9: Reduced-Stroke Ptfe-Fitted

    Flow rates indicated on chart were determined by pumping water. air supply pressure. For optimum life and performance, pumps should be specified so that daily operation parameters will fall in the center of the pump's performance curve. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 10: Suction-Lift Curves

    The number of intake and discharge elbows, viscosity of pumping fluid, elevation (atmospheric pressure) and pipe friction loss all affect the amount of suction lift your pump will attain. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 11 PX400 P X 4 0 0 P E R F O R M A N C E...

  • Page 12: Operating Principle

    4, which in flow and an even than the flow and exhaust is the highest greater decrease in rate, efficiency porting. flow rate setting air consumption. is improved and possible. operating costs are reduced. WILDEN PUMP & ENGINEERING, LLC PX400 Performance...

  • Page 13: How To Use This Ems Curve

    The flow rate and air consumption at Setting sect the horizontal discharge pressure line. 2 are found to be 18.2 lpm (4.8 gpm) and 7.9 After locating your EMS points on the EMS /h (4.7 scfm) respectively. PX400 Performance WILDEN PUMP & ENGINEERING, LLC...
  • Page 14 EMS setting. For this example the EMS setting is 1.8. WILDEN PUMP & ENGINEERING, LLC PX400 Performance...
  • Page 15 X Factor (Figure 7). For this example the air X Factor is 0.40. PX400 Performance WILDEN PUMP & ENGINEERING, LLC...

  • Page 16: Rubber-Fitted

    P E R F O R M A N C E WILDEN PUMP & ENGINEERING, LLC PX400 Performance...

  • Page 17: Tpe-Fitted

    P E R F O R M A N C E PX400 Performance WILDEN PUMP & ENGINEERING, LLC...

  • Page 18: Reduced-Stroke Ptfe-Fitted

    P E R F O R M A N C E WILDEN PUMP & ENGINEERING, LLC PX400 Performance...

  • Page 19: Full-Stroke Ptfe-Fitted

    P E R F O R M A N C E PX400 Performance WILDEN PUMP & ENGINEERING, LLC...

  • Page 20: Suction-Lift Curves

    The number of intake and discharge elbows, viscosity of pumping fluid, elevation (atmospheric pressure) and pipe friction loss all affect the amount of suction lift your pump will attain. WILDEN PUMP & ENGINEERING, LLC PX400 Performance...
  • Page 21 Wilden offers the widest variety of elastomer PIPING: Final determination of the pump site should not be options in the industry to satisfy temperature, chemical made until the piping challenges of each possible location compatibility, abrasion resistance and flex concerns.
  • Page 22 A properly functioning valve will stop the air supply to the pump, therefore stopping output. 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-11240-E-05...
  • Page 23 Wilden and do not require in-line lubrication. Additional P400 and PX400 pumps run solely on compressed air lubrication will not damage the pump, however if the and do not generate heat, therefore your process fluid pump is heavily lubricated by an external source, the temperature will not be affected.

  • Page 24: Disassembly / Reassembly

    Using a 9/16" wrench, loosen the Remove the discharge manifold to liquid chambers. Use to properly discharge manifold from the liquid expose the valve balls, valve seats align center section with liquid chambers. and valve seat O-rings. chamber. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 25 (counterclockwise), remove center section. the diaphragm assembly from the center section assembly. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 26 2) The outer piston, diaphragm and hand, remove diaphragm assembly inner piston separate from the shaft, from shaft. which remains connected to the opposite side diaphragm assembly. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 27: Air Valve / Center Section Disassembly

    Remove muffler plate and air valve Lift away valve assembly loosen air valve bolts. bolts from air valve assembly, and remove air valve gasket for exposing muffler gasket inspection. Replace if necessary. inspection. Replace if necessary. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 28 Use caution when handling air valve spool to prevent damaging seals. NOTE: Seals should not be removed from assembly. Seals are not sold separately. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 29 O-ring and will be damaged as it slides over the ports cut in the sleeve. NOTE: Seals should not be removed from pilot spool. Seals are not sold separately. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 30: Air Valve / Center Section Disassembly

    Inspect seals for signs of wear and replace entire assembly if necessary. Use caution when handling air valve spool to prevent damaging seals. NOTE: Seals should not be remove from assembly. Seals are not sold separately. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 31 (2) replace if necessary. for wear. If replacement is necessary, (6) may be removed or replaced if use an O-ring pick to remove the necessary. used Glyd rings then replace with genuine Wilden replacement parts. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 32: Reassembly Hints & Tips

    This will complete the resizing of the seal. Liquid Chamber to Air Chamber 9.6 N•m (85 in-lb) • Perform these steps for the remaining seal. Figure A Figure B NEEDLE-NOSE PLIERS SHAFT SEAL TAPE SHAFT SEAL TAPE WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 33 N O T E S...

  • Page 34: P400 Plastic

    E X P L O D E D V I E W PLASTIC ADS FULL-STROKE PTFE FULL-STROKE IPD REDUCED-STROKE PTFE LW0328 Rev. A ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS (see section 9). WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 35 04-3752-01 *Refer to Elastomer Chart (see Diaphragm, Primary, Reduced-Stroke PTFE 04-1010-55 04-1010-55 Section 9). Diaphragm, Backup, Reduced-Stroke PTFE All boldface items are primary Piston, Outer, Reduced-Stroke PTFE 04-4600-20-500 04-4600-21-500 wear parts. LW0329 Rev. A WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 36: Px400 Plastic

    E X P L O D E D V I E W PLASTIC ADS FULL-STROKE PTFE FULL-STROKE IPD REDUCED-STROKE PTFE LW0190 Rev. B ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS (see section 9). WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 37 04-3752-01 *Refer to Elastomer Chart (see Diaphragm, Primary, Reduced-Stroke PTFE 04-1010-55 04-1010-55 Section 9). Diaphragm, Backup, Reduced-Stroke PTFE All boldface items are primary Piston, Outer, Reduced-Stroke PTFE 04-4600-20-500 04-4600-21-500 wear parts. LW0191 Rev. B WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...

  • Page 38: El As Tomer Op Tions

    04-1080-53 ® Saniflex™ 04-1060-56 04-1080-56 PTFE 04-1080-55 PTFE Encap. (Viton 08-1300-60-500 04-1371-60 ® FDA Wil-Flex™ 04-1080-57 Wil-Flex™ 04-1080-58 08-1300-58-500 04-1371-58 Polypropylene 04-1125-20 PVDF 04-1125-21 LW0329 Rev. A Backup diaphragms used with PTFE diaphragms only. WILDEN PUMP & ENGINEERING, LLC WIL-11240-E-05...
  • Page 39 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 40 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. 08-2016 Authorized PSG Representative: 22069 Van Buren St., Grand Terrace, CA 92313-5607 P: +1 (909) 422-1730 •...

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Px400

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