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Summary of Contents for Dover PSG WILDEN PS25
- Page 1 ENGINEERING OPERATION & MAINTENANCE MANUAL PS25 Bolted Plastic Pump Where Innovation Flows WIL-11021-E-01...
- 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
PS25 Bolted Plastic CONTENTS SECTION 1: Precautions – Read First! ..................... 4 SECTION 2: Wilden Pump Designation System ..................5 SECTION 3: How It Works .......................... 6 SECTION 4: Dimensional Drawing ......................7 SECTION 5: Performance ........................... 8 SECTION 6: Suggested Installation, Operation, Maintenance, and Troubleshooting ......9 SECTION 7: Exploded View and Parts List ..................... -
Page 4: Section 1: Precautions - Read First
PS25 Bolted Plastic SECTION 1 SECTION 1 PRECAUTIONS – READ FIRST! WARNING: Always wear safety glasses when operating CAUTION: Do not exceed 0.7 bar (10 psig) or 7 m-H a pump to avoid eye injury. If diaphragm rupture occurs, (23 ft-H 0) suction pressure. -
Page 5: Section 2: Wilden Pump Designation System
PS25 Bolted Plastic SECTION 2 WILDEN PUMP DESIGNATION SYSTEM PS25 PLASTIC LEGEND PS 25 / X X X / X X / 6 mm (1/4") Pump O-RINGS MODEL VALVE SEATS Maximum Flow Rate: VALVE BALLS 21.6 lpm (5.7 gpm) DIAPHRAGMS AIR VALVE CENTER BLOCK OUTER PISTON... -
Page 6: Section 3: How It Works
PS25 Bolted 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 Drawing
PS25 Bolted Plastic SECTION 4 DIMENSIONAL DRAWING DIMENSIONAL DRAWING PS25 WIL-11021-E-01... - Page 8 PS25 Bolted Plastic SECTION 5 SUCTION LIFT CAPABILITY PERFORMANCE PERFORMANCE PERFORMANCE PS25 PLASTIC Height……………………………173 mm (6.8") Width…………………………….186 mm (7.3") Depth…………………………….118 mm (4.6") Ship Weight…..Polypropylene 1.2 kg (2.6 lb) PVDF 1.7 kg (3.8 lb) Air Inlet……………………………………….1/4" Inlet…………………………………………...1/4" Outlet…………………………………………1/4" Suction Lift………………...……4.2 m Dry (14') 8.5 m Wet (28') Disp.
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Page 9: Section 5: Performance
PS25 Bolted 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 Piping: Final determination of the pump site should not be ... - Page 10 PS25 Bolted Plastic SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING This illustration is a generic representation of an air-operated double- diaphragm pump Solenoid control of the inlet air may also be used in order to facilitate NOTE: In the event of a power failure, close the shut- remote operation.
- Page 11 PS25 Bolted 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.
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Page 12: Section 7: Exploded View And Parts List
PS25 Bolted Plastic SECTION 7 EXPLODED VIEW AND PARTS LIST WIL-11021-E-01... - Page 13 PS25 Bolted Plastic EXPLODED VIEW AND PARTS LIST Item DESCRIPTION PUMP MODEL PART NO. MATERIAL PS25/PPPPP/***/**/P/** 11345-W-40 Polypropylene DISCHARGE MANIFOLD PS25/KPPPP/***/**/P/** 11345-W-56 PVDF PS25/*PPPP/***/WF/P/** 11001-23 Santoprene BALL PS25/*PPPP/***/TF/P/** 11001-59 PTFE VALVE SEAT PS25/*PPPP/***/**/P/** 10924-ROD-40 Polypropylene PS25/*PPPP/***/**/P/BN 11954-11 BUNA-N PS25/*PPPP/***/**/P/VT 11954-13 O-RING (Valve Seat) PS25/*PPPP/***/**/P/EP 11954-15...
- Page 14 PS25 Bolted Plastic NOTES WIL-11021-E-01...
- Page 15 PS25 Bolted Plastic NOTES NOTES WIL-11021-E-01...
- Page 16 P: +1 (909) 422 -1730 psgdover.com Where Innovation Flows ® ® Copyright 2023 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-11021-E-01...
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