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Summary of Contents for Dover PSG Wilden PR260
- Page 1 ENGINEERING OPERATION & MAINTENANCE MANUAL PR260 Bolted Metal Pump Where Innovation Flows WIL-11710-E-02...
- 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
PR260 Bolted 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 PR260 Metal Rubber-Fitted ................... 9 PR260 Metal TPE-Fitted .................. -
Page 4: Section 1: Precautions - Read First
PR260 Bolted Metal SECTION 1 PRECAUTIONS – READ FIRST! WARNING: Always wear safety glasses when operating CAUTION: Do not exceed 82° C (180° F) air inlet a pump to avoid eye injury. If diaphragm rupture occurs, temperature for all models. material being pumped may be forced out of the air exhaust. -
Page 5: Section 2: Wilden Pump Designation System
PR260 Bolted Metal SECTION 2 WILDEN PUMP DESIGNATION SYSTEM PR260 METAL LEGEND XPR 260 / / X X X / X X / X X / X X X X 25 mm (1") Pump O-RINGS MODEL VALVE SEATS SPECIALTY Maximum Flow Rate: VALVE BALLS CODE (if applicable) - Page 6 PR260 Bolted 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 PR260 Bolted Metal SECTION 4 DIMENSIONAL DRAWING PR260 METAL DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 10.6 12.7 13.7 13.2 TJPR260-01 REV. A PR260 METAL – CENTER-PORTED DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 13.1 12.8 13.7 13.2 TJPR260-02 REV. A WIL-11710-E-02...
- Page 8 PR260 Bolted Metal DIMENSIONAL DRAWING PR260 STAINLESS STEEL DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 12.7 13.7 13.2 TJPR260-03 REV. A WIL-11710-E-02...
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Page 9: Section 5: Performance
PR260 Bolted Metal SECTION 5 PERFORMANCE PR260 METAL RUBBER-FITTED Ship Weight…………..Aluminum 10 kg (22 lb) 316 Stainless Steel 15 kg (33 lb) Air Inlet……………………………………….1/2" Inlet...………………………………...25 mm (1") Outlet………………………………...25 mm (1") Suction Lift………..…………..6.9 m Dry (22.7′) 9.0 m Wet (29.5′) Disp. per Stroke ……………..0.3 L (0.08 gal) Max. -
Page 10: Pr260 Metal Full-Stroke Ptfe-Fitted
PR260 Bolted Metal PERFORMANCE PR260 METAL FULL-STROKE PTFE-FITTED Ship Weight…………..Aluminum 10 kg (22 lb) 316 Stainless Steel 15 kg (33 lb) Air Inlet……………………………………….1/2" Inlet...………………………………...25 mm (1") Outlet………………………………...25 mm (1") Suction Lift………….…………..4.9 m Dry (16′) 9.3 m Wet (30.6′) Disp. per Stroke ……………..0.3 L (0.08 gal) Max. -
Page 11: Suction Lift Capability
PR260 Bolted Metal SUCTION LIFT CAPABILITY PR260 METAL SUCTION LIFT CAPABILITY Traditional Rubber Suction-lift curves are calibrated for pumps Diaphragm 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 Full-Stroke PTFE pump's operating characteristics. -
Page 12: Section 6: Suggested Installation, Operation, Maintenance, And Troubleshooting
PR260 Bolted 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 •... - Page 13 PR260 Bolted 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 14: Section 7: Disassembly/Reassembly
PR260 Bolted 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 15: Pump Disassembly
PR260 Bolted Metal 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 13 mm (1/2") Box Wrench intake, discharge, and air lines. - Page 16 PR260 Bolted Metal DISASSEMBLY / REASSEMBLY Step 4 Step 5 Step 6 Remove the discharge valve balls and Using the appropriate-sized wrench, Remove the inlet manifold to expose the valve seats from the liquid chambers and loosen the inlet manifold from the liquid valve balls and valve seats.
- Page 17 PR260 Bolted Metal DISASSEMBLY / REASSEMBLY Step 10 Step 11 Step 12 Using two adjustable wrenches or 25 mm After loosening and removing the outer To remove the diaphragm assembly from (1”) sockets, remove diaphragm assembly piston the diaphragm assembly can be shaft, secure shaft with soft jaws from center section assembly.
- Page 18 PR260 Bolted Metal DISASSEMBLY / REASSEMBLY AIR VALVE / CENTER SECTION 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 5 mm (3/16") Allen Wrench intake, discharge, and air lines.
- Page 19 PR260 Bolted Metal DISASSEMBLY / REASSEMBLY Step 4 Step 5 Step 6 Remove air valve end cap to expose air Remove air valve spool from air valve Remove pilot spool sleeve retaining snap valve spool by simply lifting up on end body by threading one air valve bolt into ring on both sides of center section with cap once air valve bolts are removed.
- Page 20 PR260 Bolted Metal DISASSEMBLY / REASSEMBLY Step 9 Check center section Glyd™ rings for signs of wear. If necessary, remove Glyd™ rings with O-ring pick and replace. WIL-11710-E-02...
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Page 21: Reassembly Hints And Tips
PR260 Bolted Metal 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 11.3 N•m (100 in-lb) - Page 22 PR260 Bolted 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 23: Section 8: Exploded View And Parts List
PR260 Bolted Metal SECTION 8 EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST PR260 TJPR260-04 REV.A ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS WIL-11710-E-02... - Page 24 PR260 Bolted Metal EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST Description Qty. PR260/AAAAA/…/ P/N PR260/SSAAA/…/ P/N AIR DISTRIBUTION COMPONENTS Pro-Flo X ® Air Valve Assembly 02-2030-01 O-Ring, End Cap (-126, Ø 1.362 x Ø .103) 01-2395-52 End Cap 01-2340-01...
- Page 25 PR260 Bolted Metal SECTION 9 ELASTOMER OPTIONS PR260 Full-Stroke Reduced- Stroke Valve Seat Full-Stroke Backup Material Diaphragms (2) Backup Diaphragms Valve Balls (4) Valve Seats (4) Diaphragms (2) Diaphragms (2) O-Rings (4) Neoprene 02-1010-51 02-1060-51 02-1080-51 02-1200-51 Buna-N ® 02-1010-52 02-1080-52 02-1200-52 02-1010-53...
- Page 26 PR260 Bolted Metal NOTES WIL-11710-E-02...
- Page 27 PR260 Bolted Metal NOTES NOTES WIL-11710-E-02...
- Page 28 P: +86-400 600 4026 PSG-China@psgdover.com www.psgdover.com.cn Where Innovation Flows ® ® Copyright 2022 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-11710-E-02...
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