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Summary of Contents for Wilden P25
- Page 1 ENGINEERING OPERATION & MAINTENANCE P25 Bolted Plastic Pump Where Innovation Flows WIL-11020-E-03...
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Page 2: Table Of Contents
Contents Section 1: Precautions - Read First! Section 2: Wilden Pump Designation System Section 3: How It Works —Pump & Air Distribution System Section 4: Dimensional Drawings P2 5 Ad van ce d™ P la st ic P T F E - F it ted Section 5: Performance P2 5 Ad van ce d™... - 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.
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Page 4: Section 1: Precautions - Read First
Pump, valves, and containers must be grounded to a proper grounding point when handling flammable fluids and whenever discharge of static electricity is a hazard. CAUTION: Do not exceed 8.6 bar (125 psig) air supply pressure. ® Wilden WIL-11020-E-03... -
Page 5: Section 2: 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 P25 PLASTIC LEGEND P25 / X X X X X / XXX / XX / X XX / XXXX MODEL O-RINGS 6 mm (1/4") Pump... -
Page 6: Section 3: How It Works -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
DIMENSIONAL DRAWING P25 Advanced™ Plastic DIMENSIONS ITEM METRIC (mm) STANDARD (inch) ® Wilden WIL-11020-E-03... -
Page 8: P25 Advanced™ Plastic Ptfe-Fitted
Section 5 PERFORMANCE P25 ADVANCED™ PLASTIC PTFE-FITTED Height ........173 mm (6.8") Width ........173 mm (6.8") Depth ........127 mm (5.0") Ship Weight ..Polypropylene 2 kg (4 lbs) PVDF 2 kg (5 lbs) Air Inlet........3 mm (1/8") Inlet ......... -
Page 9: 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 P25 PLASTIC SUCTION - LIFT CAPABILITY Suction lift curves are calibrated for pumps operating at 305 m (1000') above sea level. This chart is meant to be a guide only. -
Page 10: Section 6: Suggested Installation, Operation
• Muffler: Sound levels are reduced below OSHA specifications using CAUTION: Do not exceed 8.6 bar (125 psig) air the standard Wilden muffler. Other mufflers can be used to further supply pressure. reduce sound levels, but they usually reduce pump performance. - Page 11 Frequency of use, line pressure, viscosity and abrasiveness of The P25 Advanced™ plastic is permanently lubricated and does process fluid all affect the parts life of a Wilden pump. Periodic inspections not require in-line lubrication. Additional lubrication will not damage...
- Page 12 1. Check for diaphragm rupture. 2. Verify that vacuum required to lift liquid is not greater than 2. Check tightness of outer pistons to shaft. the vapor pressure of the material being pumped (cavitation). ® Wilden WIL-11020-E-03...
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Page 13: Section 7: Disassembly / Reassembly
Wetted flushing of parts may be required prior to handling. • 3/8" Wrench To expedite parts ordering, please find an exploded view of the P25 model at the back of this manual. PLEASE read all directions before starting disassembly. NOTE: Replace worn parts with genuine Wilden parts for reliable performance. - Page 14 Inspect for nicks, gouges, chemical attack nicks, gouges, chemical attack or or abrasive wear. abrasive wear. NOTE: replace worn parts with genuine Wilden parts for reliable performance. Step 7 Step 8 Step 9 Using a 3/8" wrench, remove the liquid...
- Page 15 Disassembly / Reassembly Step 10 Remove the opposite side diaphragm and shaft from the center section. With shaft secured, remove diaphragm by turning counterclockwise. ® Wilden WIL-11020-E-03...
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Page 16: Air Valve / Center Section Disassembly
The Wilden P25 Advanced™ plastic utilizes a revolutionary Pro-Flo air distribution system. ® Proprietary composite seals reduce the coefficient of friction and allow the P25 to run lube-free. Constructed of polypropylene, the Pro-Flo air distribution system is designed to perform in on/off, ®... - Page 17 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 small amount of NLGI grade 2 white EP bearing grease or equivalent (P/N 99-8310-99). ® Wilden WIL-11020-E-03...
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Page 18: Reassembly Hints & Tips
Concave side of disc spring in diaphragm assembly • PRO-FLO MAXIMUM TORQUE SPECIFICATIONS ® faces toward inner piston. Description of Part Torque Air Valve [2.3 N•m] 20 in.-lbs Liquid Chamber Bolt [6.2 N•m] 55 in.-lbs. Manifold Bolt [6.2 N•m] 55 in.-lbs. ® Wilden WIL-11020-E-03... - Page 19 Section 8 Exploded View and Parts Listing P25 ADVANCED™ PLASTIC EXPLODED VIEW PTFE FITTED ® Wilden WIL-11020-E-03...
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Page 20: Section 8: Exploded View And Parts List
Exploded View and Parts List Qty. per P25/PZPPP P25/PZPPP/502 P25/KZPPP P25/KZPPP/502 Item # Description Pump Pro-Flo Air Valve Assembly 00-2000-20-700 00-2000-13-700 00-2000-20-700 00-2000-13-700 ® Pro-Flo Air Valve End Cap 00-2300-20-700 00-2300-13-700 00-2300-20-700 00-2300-13-700 ® End Cap O-Ring 00-2390-52-700 00-2390-52-700 00-2390-52-700... -
Page 21: Section 9: Elastomer Options
Section 9 Elastomer Options P25 Advanced™ Plastic Material Diaphragm Back-Up O-Ring Valve Seat O-Ring Manifold O-Ring Neoprene 00-1070-51 PTFE 00-1030-55 00-1070-53 EPDM 00-1070-54 PTFE Encapsulated FKM 00-1206-60 01-1200-60-520 ® Wilden WIL-11020-E-03... - Page 22 Notes WIL-11020-E-03 ® Wilden...
- Page 23 Notes WIL-11020-E-03 ® Wilden...
- Page 24 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-11020-E-03 ® Wilden...
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