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Summary of Contents for Dover PSG WILDEN PS20
- Page 1 ENGINEERING OPERATION & MAINTENANCE MANUAL PS20 Clamped Metal Pump Where Innovation Flows WIL-10430-E-04...
- 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
PS20 Clamped Metal 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 PS20 Metal Rubber-Fitted ......................... 8 PS20 Metal EZ-Install TPE-Fitted ...................... -
Page 4: Section 1: Precautions - Read First
PS20 Clamped Metal SECTION 1 PRECAUTIONS – READ FIRST! WARNING: Always wear safety glasses when operating CAUTION: The process fluid and cleaning fluids must be a pump to avoid eye injury. If diaphragm rupture occurs, compatible chemically with all wetted pump components. material being pumped may be forced out of the air CAUTION: Before attempting any maintenance or repair, exhaust. -
Page 5: Section 2: Wilden Pump Designation System
PS20 Clamped Metal SECTION 2 WILDEN PUMP DESIGNATION SYSTEM PS20 METAL LEGEND XPS 20 / / X X X / X X / X X / X X X X 102 mm (4") Pump O-RINGS MODEL VALVE SEATS SPECIALTY Maximum Flow Rate: VALVE BALLS CODE (if applicable) -
Page 6: Section 3: How It Works
PS20 Clamped Metal 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
PS20 Clamped Metal SECTION 4 DIMENSIONAL DRAWING DIMENSIONAL DRAWING PS20 METAL DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 37.4 16.9 26.8 32.5 28.0 16.5 17.9 14.8 11.0 13.1 15 DIA. 0.6 DIA. ANSI FLANGE 231 DIA. 9.1 DIA. 191 DIA. 7.5 DIA. 18 DIA. -
Page 8: Section 5: Performance
PS20 Clamped Metal SECTION 5 PERFORMANCE PS20 METAL RUBBER-FITTED Ship Weight…………………….223 kg (492 lb) Air Inlet…………………………….19 mm (3/4") Inlet…………………………………102 mm (4") Outlet……………………………….102 mm (4") Suction Lift……………………4.1 m Dry (13.5') 8.6 m Wet (28.4’) Disp. Per Stroke ………………..4.5 L (1.2 gal) Max. -
Page 9: Ps20 Metal Full-Stroke Ptfe-Fitted
PS20 Clamped Metal PERFORMANCE PS20 METAL FULL-STROKE PTFE-FITTED Ship Weight…………………….223 kg (492 lb) Air Inlet…………………………….19 mm (3/4") Inlet…………………………………102 mm (4") Outlet……………………………….102 mm (4") Suction Lift……………………3.8 m Dry (12.7') 8.6 m Wet (28.4') Disp. Per Stroke ……………...4.2 L (1.13 gal) Max. Flow Rate……………953 lpm (252 gpm) Max. -
Page 10: Suction Lift Capability
PS20 Clamped Metal SUCTION LIFT CAPABILITY SUCTION LIFT CAPABILITY PS20 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. There are many variables that can affect your pump's operating characteristics. -
Page 11: Section 6: Suggested Installation, Operation, Maintenance, And Troubleshooting
PS20 Clamped Metal 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 12 PS20 Clamped Metal SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING to control the pump from a remote location. When the pump discharge pressure equals or exceeds the air supply pressure, the NOTE: In the event of a power failure, close the shut- pump will stop.
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Page 13: Section 7: Disassembly/Reassembly
PS20 Clamped Metal 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
PS20 Clamped Metal SECTION 7 DISASSEMBLY / REASSEMBLY PUMP DISASSEMBLY Tools Required: CAUTION: Before attempting any maintenance or repair, disconnect the compressed 9/16" Socket Wrench air line to the pump and allow all air pressure to bleed from the pump. Disconnect all •... - Page 15 PS20 Clamped Metal DISASSEMBLY / REASSEMBLY Step 4 Step 5 Step 6 Using the appropriate-sized wrench, Next, remove the discharge T-section and Using the appropriate-sized wrench, disconnect the discharge manifold and ball port cage assembly from the pump. disconnect the main body of the pump, discharge ball pot cages.
- Page 16 PS20 Clamped Metal DISASSEMBLY / REASSEMBLY Step 10 Step 11 Step 12 Using the appropriate-sized wrench, After removing the inlet ball pots and To ease the disassembly process, remove the discharge elbows and inlet discharge elbows from the liquid position center section assembly and ball pots from the liquid chambers.
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Page 17: Air Valve/Center Section Disassembly
PS20 Clamped Metal DISASSEMBLY / REASSEMBLY AIR VALVE / CENTER SECTION DISASSEMBLY Tools Required: CAUTION: Before attempting any maintenance or repair, disconnect the compressed 3/16" Hex-Head Wrench air line to the pump and allow all air pressure to bleed from the pump. Disconnect all •... - Page 18 PS20 Clamped Metal DISASSEMBLY / REASSEMBLY Step 7 Step 8 Step 9 Gently remove the pilot spool from the Remove the modulator spool from Using the appropriate-sized wrench, sleeve and inspect for nicks, wear or the center section. Check for wear to the loosen the fasteners and lift away damage.
- Page 19 PS20 Clamped Metal DISASSEMBLY / REASSEMBLY Step 13 Step 14 Loosen and remove the four (4) air valve bolts from the center section assembly. Remove the air valve end cap to expose the air valve spool by lifting up on the end cap. Lift the muffler plate and muffler plate gasket away from the center block.
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Page 20: Single-Point Exhaust
PS20 Clamped Metal DISASSEMBLY / REASSEMBLY SINGLE-POINT EXHAUST Step 1 Step 2 Remove the pilot exhaust muffler in the pilot Optional: Install a single-point exhaust gasket (04-2639-52). The single-point air valve bleed port located at the front of the center gasket can be purchased as a spare part or included with the purchase of a new block. - Page 21 PS20 Clamped Metal 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: Section 8: Exploded View And Parts List
PS20 Clamped Metal SECTION 8 EXPLODED VIEW AND PARTS LIST PS20 METAL LW0143 REV. E ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS WIL-10430-E-04... - Page 23 PS20 Clamped Metal EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST XPS20/WWAAA XPS20/WWSSS PS20/WWWPP Item Description Qty. AIR DISTRIBUTION COMPONENTS Air Valve Assembly, Pro-Flo Shift™ 04-2039-01 04-2039-03 04-2039-20 O-Ring, End Cap (-225, Ø1.859"...
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Page 24: Section 9: Elastomer Options
PS20 Clamped Metal SECTION 9 ELASTOMER OPTIONS PS20 METAL FULL-STROKE FULL-STROKE FULL-STROKE EZ-INSTALL PLATE MANIFOLD DIAPHRAGMS VALVE VALVE MATERIAL DIAPHRAGMS BACK-UP DIAPHRAGMS O-RINGS GASKETS DIAPHRAGMS BALLS (4) SEATS (4) DIAPHRAGMS(2) Polyurethane 15-1022-50 20-1080-50 20-1120-50 Neoprene 15-1010-51 Buna-N 15-1010-52 Bunalast™ 15-1022-15 Viton 15-1010-53 20-1120-53... - Page 25 PS20 Clamped Metal NOTES WIL-10430-E-04...
- Page 26 PS20 Clamped Metal NOTES WIL-10430-E-04...
- Page 27 PS20 Clamped Metal NOTES WIL-10430-E-04...
- 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.
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