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Summary of Contents for Dover PSG Wilden P4
- Page 1 ENGINEERING OPERATION & MAINTENANCE MANUAL P4 Clamped Plastic Pump Where Innovation Flows WIL-10160--E-11...
- Page 2 No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or any means electronic or mechanical, including photocopying and recording, without the written permission of PSG, a Dover Company, except as described by the terms of those agreements.
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Page 3: Table Of Contents
P4 Clamped Plastic CONTENTS SECTION 1: Precautions – Read First! ..................... 4 SECTION 2: Wilden Pump Designation System ..................5 SECTION 3: How It Works .......................... 6 SECTION 4: Dimensional Drawings ......................7 SECTION 5: Performance ........................... 8 P4 Plastic Rubber-Fitted ........................... 8 P4 Plastic TPE-Fitted .......................... -
Page 4: Section 1: Precautions - Read First
P4 Clamped Plastic SECTION 1 PRECAUTIONS – READ FIRST! WARNING: Always wear safety glasses when operating CAUTION: Thoroughly flush pumps before installing a pump to avoid eye injury. If diaphragm rupture occurs, them into process lines. Clean and/or sanitize FDA- and material being pumped may be forced out of the air USDA- approved pumps before using them. -
Page 5: Section 2: Wilden Pump Designation System
P4 Clamped Plastic SECTION 2 WILDEN PUMP DESIGNATION SYSTEM P4 PLASTIC LEGEND / X X X / X X / X X X / X X X X 38 mm (1-1/2") Pump O-RING Maximum Flow Rate: MODEL VALVE SEAT SPECIALTY 140 lpm (37 gpm) VALVE BALL CODE... -
Page 6: Section 3: How It Works
P4 Clamped Plastic SECTION 3 HOW IT WORKS – AIR-OPERATED DOUBLE-DIAPHRAGM PUMP 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 air to FIGURE 2 When the pressurized diaphragm, FIGURE 3 At completion of the stroke, the air... -
Page 7: Section 4: Dimensional Drawings
P4 Clamped Plastic SECTION 4 DIMENSIONAL DRAWING P4 PLASTIC DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 15.5 11.3 18.3 20.8 11.3 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. -
Page 8: Section 5: Performance
P4 Clamped Plastic SECTION 5 DIMENSIONAL DRAWING PERFORMANCE P4 PLASTIC RUBBER-FITTED Ship Weights…..Polypropylene 16.8 kg (37 lb) PVDF 21.3 kg (47 lb) Air Inlet……………………..……..13 mm (1/2") Inlet…...…………………...……38 mm (1-1/2") Outlet………………...………….38 mm (1-1/2") Suction Lift……………………...4.8 m Dry (16') 7.92 m Wet (26') Disp. -
Page 9: P4 Plastic Reduced-Stroke Ptfe-Fitted
P4 Clamped Plastic PERFORMANCE P4 PLASTIC REDUCED-STROKE PTFE-FITTED Ship Weights…..Polypropylene 16.8 kg (37 lb) PVDF 21.3 kg (47 lb) Air Inlet……………………..……..13 mm (1/2") Inlet…...…………………...……38 mm (1-1/2") Outlet………………...………….38 mm (1-1/2") Suction Lift…………………….3.05 m Dry (10') 7.47 m Wet (24.5') Disp. per Stroke ……...…..0.53 L (0.139 gal) Max. -
Page 10: Suction Lift Capability
P4 Clamped Plastic SECTION 5 SUCTION LIFT CAPABILITY P4 PLASTIC 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. There are many variables that can affect your pump's operating characteristics. -
Page 11: Section 6: Suggested Installation, Operation, Maintenance, And Troubleshooting
P4 Clamped Plastic SECTION 6 SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING Wilden pumps are designed to meet the performance requirements of be eliminated. In addition, pump efficiency can be adversely even the most demanding pumping applications. They have been affected if proper attention is not given to site location. designed and manufactured to the highest standards and are ... - Page 12 P4 Clamped Plastic SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING to control the pump from a remote location. When the pump NOTE: In the event of a power failure, close the shut- discharge pressure equals or exceeds the air supply pressure, the off valve if you do not want the pump to restart when the pump will stop.
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Page 13: Section 7: Disassembly/Reassembly
P4 Clamped Plastic SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING Troubleshooting Pump air valve freezes. Pump will not run or runs slowly. Check for excessive moisture in the compressed air. Remove plug from pilot spool exhaust. Either install a dryer or a hot air generator for compressed Ensure that the air inlet pressure is at least 0.4 bar (5 psig) air. -
Page 14: Pump Disassembly
P4 Clamped Plastic SECTION 7 DISASSEMBLY / REASSEMBLY PUMP DISASSEMBLY Tools Required: CAUTION: Before attempting any maintenance or repair, disconnect the compressed air line to the pump and allow all air pressure to bleed from the pump. Disconnect all 1/2"... - Page 15 P4 Clamped Plastic DISASSEMBLY / REASSEMBLY Step 4 Step 5 Step 6 Remove the discharge valve balls and Remove the two small clamp bands which Lift intake manifold from liquid chambers seats from the liquid chambers and fasten the intake manifold to the liquid and center section to expose intake inspect for nicks, gouges, chemical attack chambers.
- Page 16 P4 Clamped Plastic DISASSEMBLY / REASSEMBLY Step 10 Step 11 Lift liquid chamber away from center Using an adjustable wrench, or by rotating section to expose diaphragm and outer the diaphragm by hand, remove the piston. diaphragm assembly. Step 12 Figure 13 Step 13 Figure 12...
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Page 17: Air Valve Disassembly
P4 Clamped Plastic DISASSEMBLY / REASSEMBLY DISASSEMBLY / REASSEMBLY AIR VALVE DISASSEMBLY Tools Required: CAUTION: Before attempting any maintenance or repair, disconnect the compressed air line to the pump and allow all air pressure to bleed from the pump. Disconnect all 3/16ʺ... - Page 18 P4 Clamped Plastic DISASSEMBLY / REASSEMBLY Step 4 Step 5 Step 6 Loosen the air valve bolts utilizing a 3/16" Remove pilot spool sleeve retaining snap Remove pilot spool retaining snap hex-head wrench and then remove muffler ring on both sides of center section with ring on both sides of center section plate screws.
- Page 19 P4 Clamped Plastic DISASSEMBLY / REASSEMBLY Step 9 Step 10 With O-ring pick, gently remove the O-ring Check center block Glyd™ rings for signs of from the opposite side of the notched end of wear. If necessary, remove Glyd™ rings the spool.
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Page 20: Reassembly Hints And Tips
P4 Clamped Plastic DISASSEMBLY / REASSEMBLY REASSEMBLY HINTS AND TIPS Upon performing applicable maintenance to the air distribution system, Maximum Torque Specifications the pump can now be reassembled. Please refer to the disassembly instructions for photos and parts placement. Description Torque Air Valve 5.1 N•m (45 in-lb) - Page 21 P4 Clamped Plastic DISASSEMBLY / REASSEMBLY SHAFT SEAL INSTALLATION Pre-Installation Tools After all the old seals have been removed, the inside of the bushing The following tools can be used to aid in the installation of should be cleaned to ensure no debris is left that may cause premature the new seals: damage to the new seals.
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Page 22: Gasket Kit Installation
P4 Clamped Plastic GASKET KIT INSTALLATION (04-9503-99) Carefully prepare sealing surfaces by removing all debris and foreign matter from diaphragm bead and all mating surfaces. If necessary, smooth or deburr all sealing surfaces. Mating surfaces must be properly aligned in order to ensure positive sealing characteristics. Step 1 Step 2 Step 3... -
Page 23: Section 8: Exploded View And Parts List
P4 Clamped Plastic SECTION 8 EXPLODED VIEW AND PARTS LIST P4 FULL-STROKE ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS WIL-10160-E-11... - Page 24 P4 Clamped Plastic EXPLODED VIEW AND PARTS LIST P4/PPAPP P4/KKAPP P4/PPCPP/0502 P4/KKCPP/0502 Part Description Qty. Pro-Flo Air Valve Assembly 04-2000-20-700 04-2000-20-700 04-2000-20-700 04-2000-20-700 ® O-Ring (-225), End Cap (1.859" x .139") 04-2390-52-700 04-2390-52-700 04-2390-52-700 04-2390-52-700 End Cap, Pro-Flo 04-2330-20-700 04-2330-20-700 04-2330-20-700 04-2330-20-700 ®...
- Page 25 P4 Clamped Plastic EXPLODED VIEW AND PARTS LIST P4 PLASTIC REDUCED-STROKE ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS WIL-10160-E-11...
- Page 26 P4 Clamped Plastic EXPLODED VIEW AND PARTS LIST P4/PPAPP P4/KKAPP P4/PPCPP/0502 P4/KKCPP/0502 Part Description Qty. Pro-Flo Air Valve Assembly* 04-2000-20-700 04-2000-20-700 04-2000-20-700 04-2000-20-700 ® O-Ring (-225), End Cap (1.859" x .139") 04-2390-52-700 04-2390-52-700 04-2390-52-700 04-2390-52-700 End Cap, Pro-Flo 04-2330-20-700 04-2330-20-700 04-2330-20-700 04-2330-20-700 ®...
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Page 27: Section 9: Elastomer Options
P4 Clamped Plastic SECTION 9 ELASTOMER OPTIONS P4 PLASTIC FULL-STROKE VALVE SEAT T-SECTION REDUCED BACKUP FULL-STROKE MATERIAL TRADITIONAL BACKUP VALVE BALLS (4) VALVE SEATS (4) O-RINGS (4) O-RINGS (4) DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) DIAPHRAGMS (2) Neoprene 04-1010-51 04-1080-51 04-1060-51 Buna-N 04-1010-52... - Page 28 P: +1 (909) 422 -1730 psgdover.com Where Innovation Flows ® ® Copyright 2021 PSG , a Dover Company ® reserves the right to modify the information and illustrations contained in this document without prior notice. This is a non-contractual document. WIL-10160-E-11...
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