Wilden P.025 Engineering, Operation & Maintenance
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Wilden P.025 Engineering, Operation & Maintenance

Clamped metal pump
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EOM
ENGINEERING OPERATION
& MAINTENANCE
P.025 Clamped
Metal Pump
Where Innovation Flows
WIL-10080-E-06

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Summary of Contents for Wilden P.025

  • Page 1 ENGINEERING OPERATION & MAINTENANCE P.025 Clamped Metal Pump Where Innovation Flows WIL-10080-E-06...

  • Page 2: Table Of Contents

    Contents Section 1: Precautions - Read First! Section 2: Wilden Pump Designation System Section 3: How It Work —Pump & Air Distribution System Section 4: Dimensional Drawings Section 5: Performance P. 025 Me tal - Fit ted P. 025 R ubb er - F i tte d P.
  • Page 3 Warranty Each and every product manufactured by Wilden is built to meet the highest standards of quality. Every pump is functionally tested to insure integrity of operation. Wilden 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 4: Section 1: Precautions - Read First

    4°C to 149°C (40°F to 300°F) - 13 mm (1/2") and 25 mm (1") models only. from each liquid chamber to its corresponding air NOTE: Not all materials are available for all models. See "Wilden Pump Designation System chamber. This line will assist in proper alignment on page 5 for material options for your pump.
  • Page 5 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 P.025 METAL LEGEND P.025 / X X X X X / XXX / XX / X XX / XXXX MODEL O-RINGS 6 mm (1/4") Pump...

  • Page 6: Section 3: How It Work -Pump & Air Distribution System

    Section 3 The Wilden diaphragm pump is an air-operated, placement, self-priming pump. These drawings show the 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 7: Section 4: Dimensional Drawings

    Section 4 DIMENSIONAL DRAWING P.025 Metal DIMENSIONS ITEM METRIC (mm) STANDARD (inch) LW0348 REV. B. ® Wilden WIL-10080-E-06...

  • Page 8: Section 5: Performance

    Section 5 PERFORMANCE P.025 METAL RUBBER-FITTED Ship Weight ... Aluminum 1.8 kg (4 lb) Stainless Steel 4.0 kg (8.9 lb) ® Hastelloy 4.3 kg (9.5 lb) Air Inlet......... 3.2 mm (1/8") Inlet ........6.4 mm (1/4") Outlet ........6.4 mm (1/4") Suction Lift ....

  • Page 9: 025 T P E- Fi Tte D

    PERFORMANCE P.025 METAL PTFE-FITTED Ship Weight ..... Aluminum 1.8 kg (4 lb) Stainless Steel 4.0 kg (8.9 lb) ® Hastelloy 4.3 kg (9.5 lb) Air Inlet........3.2 mm (1/8") Inlet ........6.4 mm (1/4") Outlet ........6.4 mm (1/4") Suction Lift ......4 m Dry (13') 9.5 m Wet (31'2")

  • Page 10: Su Ct Ion - Li Ft Cur Ve S

    S U C T I O N L I F T C U R V E S P.025 METAL SUCTION - LIFT CAPABILITY Suction-lift curves are calibrated for pumps operating at 305 m (1,000') above sea level. This chart is meant to be a guide only.

  • Page 11: Section 6: Suggested Installation, Operation

    Section 6 Suggested Installation, Operation, Maintenance and Troubleshooting The Pro-Flo model P.025 has a 6 mm (1⁄4") inlet and 6 mm (1/4") outlet and The best choice possible will be a site involving the shortest and is designed for flows to 18 .9 lpm (5 gpm). The P.025 metal pump is straightest hook-up of suction and discharge piping.
  • Page 12 BSP and tap with an NTP or BSP tap as needed. different for every pump. Frequency of use, line pressure, viscosity and abrasiveness of process fluid all affect the parts life of a Wilden NOTE: Wilden offers drum pump kits for the Metal pump.
  • Page 13 1. Check for a diaphragm rupture. 2. Verify that vacuum required to lift liquid is not greater than the 2. Check the tightness of the outer pistons to the shaft. vapor pressure of the material being pumped (cavitation). ® Wilden WIL-10080-E-06...

  • Page 14: Section 7: Disassembly / Reassembly

    Wetted flushing of parts may be required prior to handling. • 7/16" Wrench or Socket for Rubber-Fitted The Wilden model P .025 is an air-operated, double-diaphragm pump with all wetted parts of aluminum, stainless steel or Hastelloy . The single-piece center ®...
  • Page 15 Remove diaphragm by turning in counterclockwise direction. 3/8" wrench. Remove screw and nut. chambers away from center section. NOTE: PTFE-fitted pumps (shown) utilize a Neoprene back-up O-ring. Rubber or TPE-fitted pumps do not. (See Step 10 for details .). ® Wilden WIL-10080-E-06...
  • Page 16 7/16" wrench. You are now Twist off remaining diaphragm in able to remove the complete assembly. counterclockwise direction. Inspection of Inspection of diaphragms and outer pistons diaphragms and O-rings is now possible. is now possible. ® Wilden WIL-10080-E-06...

  • Page 17: Air Valve / Center Section Disassembly

    • O-Ring Pick The P.025 pump utilizes the revolutionary Pro-Flo air distribution system. A 3.2 mm (1/8") air inlet connects the air supply to the center section. Proprietary composite seals reduce the coefficient of friction and allow the P.025 to run lube-free. Constructed of acetal or polypropylene, the Pro-Flo air distribution system is designed to perform in on/off, non-freezing, non-stalling, tough duty applications.
  • Page 18 Push pilot spool through center section and remove. Inspect seals for integrity and spool for damage. Replace pilot spool assembly if necessary. Upon reassembly of spool, apply a film of NLGI grade 2 molybdenum disulfide based grease or equivalent (P/N 99-8310-99). ® Wilden WIL-10080-E-06...

  • Page 19: Reassembly Hints & Tips

    There are two types of diaphragm configurations available Outer Piston, Rubber and TPE Diaphragms 4.6 N•m (40 in-lb) for the P.025: 1) Rubber or TPE diaphragm, and 2) PTFE Clamp Band 2.3 N•m (20 in-lb) primary diaphragm with backup O-ring. Observe the "This Manifold Bolt 5.6 N•m (50 in-lb)
  • Page 20 Section 8 EXPLODED VIEW AND PARTS LISTING P.025 METAL EXPLODED VIEW RUBBER/TPE - FITTED Stainless Steel & Hastelloy ® seating configuration ® Wilden WIL-10080-E-06...

  • Page 21: Section 8: Exploded View And Parts List

    Exploded View and Parts List Qty. per P.025/APPP P.025/ALLL P.025/SPPP P.025/SLLL P.025/HPPP P.025/HLLL Item # Description Pump Aluminum P/N Aluminum P/N Stainless Steel P/N Stainless Steel P/N Hastelloy P/N Hastelloy P/N Pro-Flo™ Air Valve Assembly 00-2000-20-700 00-2000-13-700 00-2000-20-700 00-2000-13-700 00-2000-20-700 00-2000-13-700 Pro-Flo™...
  • Page 22 EXPLODED VIEW AND PARTS LISTING P.025 METAL EXPLODED VIEW PTFE - FITTED Stainless Steel & Hastelloy seating ® configuration ® Wilden WIL-10080-E-06...

  • Page 23: 025 Me Tal Ptf E - F I Tte D

    Exploded View and Parts List Item # Description Qty. P.025/APPP P.025/ALLL P.025/SPPP P.025/SLLL P.025/HPPP P.025/HLLL per Pump Aluminum P/N Aluminum P/N Stainless Steel P/N Stainless Steel P/N Hastelloy P/N Hastelloy P/N Pro-Flo™ Air Valve Assembly 00-2000-20-700 00-2000-13-700 00-2000-20-700 00-2000-13-700 00-2000-20-700 00-2000-13-700 Pro-Flo™...

  • Page 24: Section 9: Elastomer Options

    Section 9 Elastomer Options P.025 Metal Material Valve Seat O-Rings Manifold O-Rings Diaphragms Backup Diaphragm O-Rings Valve Balls Wil-Flex™ 00-1200-58 00-1260-58 00-1010-58 Buna-N 00-1200-52 04-2390-52 00-1010-52 PTFE 00-1200-55 00-1370-55 00-1030-55 00-1080-55 Stainless Steel PTFE-Encapsulated FKM 00-1206-60 Neoprene 00-1070-51 1 Used on SS/Hastelloy only ®...
  • Page 25 Notes WIL-10080-E-06 ® Wilden...
  • Page 26 Notes WIL-10080-E-06 ® Wilden...
  • Page 27 Notes WIL-10080-E-06 ® Wilden...
  • Page 28 Grand Terrace, CA 92313-5651 USA 1 (909) 422-1730 • F: 1 (909) 783-3440 psgdover.com Where Innovation Flows ® reserves right to modify information and illustrations contained this document without prior notice. This is non-contractual document. 05- 2018 WIL-10080-E-06 ® Wilden...

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