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Summary of Contents for Dover WILDEN PSG Equalizer SD Series
- Page 1 ENGINEERING OPERATION & MAINTENANCE MANUAL ® Equalizer Surge Dampeners Integrated SD Series (ISD) Metal Models: ISD220, ISD420, ISD820, and ISD1520/ISD1530 Where Innovation Flows WIL-19013-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
CONTENTS SECTION 1: Precautions – Read First! ..................... 4 SECTION 2: Wilden Designation System ....................5 SECTION 3: Dimensional Drawings ......................6 ISD220 ..............................6 ISD420 ..............................6 ISD820 ..............................7 ISD1520 ..............................7 ISD1530 ..............................8 SECTION 4: Performance ........................... 9 ISD220 .............................. -
Page 4: Section 1: Precautions - Read First
SECTION 1 PRECAUTIONS – READ FIRST! WARNING: Always wear safety glasses when operating CAUTION: Before any maintenance or repair is a pump and/or surge dampener to avoid eye injury. If attempted, the compressed air line to the dampener and diaphragm rupture occurs, material being pumped may pump should be disconnected and all air pressure be forced out of the air exhaust. -
Page 5: Section 2: Wilden Designation System
SECTION 2 WILDEN DESIGNATION SYSTEM EQUALIZER ® LEGEND I SD / XXXX / SZ SS / TBL SURGE MODEL DAMPENER INTEGRATED SD SERIES (ISD) DIAPHRAGMS AIR CHAMBER AND AIR VALVE WETTED PATH SIZE MATERIAL CODES MODEL WETTED PATH DIAPHRAGMS ISD = INTEGRATED SURGE DAMPENER SZ = STAINLESS STEEL/ TBL = PTFE w/BUNA-N BACK-UP, IPD NOT APPLICABLE... -
Page 6: Section 3: Dimensional Drawings
SECTION 3 DIMENSIONAL DRAWING ISD220 DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 274 DIA. 10.8 DIA. 1ʺ BSPT (NPT) 1ʺ BSPT (NPT) LW0498 REV. C ISD420 DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 361 DIA. 14.2 DIA. 1-1/2ʺ BSPT (NPT) 1-1/2ʺ BSPT (NPT) LW0498 REV. -
Page 7: Isd820
DIMENSIONAL DRAWING ISD820 DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 361 DIA. 14.2 DIA. 2ʺ BSPT (NPT) 2ʺ BSPT (NPT) LW0498 REV. C ISD1520 DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 474 DIA. 18.7 DIA. 13.1 13.4 3ʺ BSPT (NPT) 3ʺ BSPT (NPT) LW0498 REV. -
Page 8: Isd1530
DIMENSIONAL DRAWING ISD1530 DIMENSIONS METRIC STANDARD ITEM (mm) (inch) 474 DIA. 18.7 DIA. 13.1 13.4 76 DIN 3.0 ANSI ANSI 191 DIA. 7.5 DIA. 152 DIA. 6.0 DIA. 19 DIA. .8 DIA. 200 DIA. 7.9 DIA. 160 DIA. 6.3 DIA. 18 DIA. -
Page 9: Section 4: Performance
SECTION 4 PERFORMANCE ISD220 Legend: ND = No Dampener; WD = With Dampener This chart shows discharge head fluctuations for a diaphragm pump with and without a dampener. By reviewing the variation in pressure, the level of dampening can be estimated for an application. For example, the head pressure generated by a 25 mm (1″) pump operating at 6.89 bar (100 psig) air inlet pressure and 6.2 bar (90 psig) head pressure varies between 1.4 bar (20 psig) and 7.9 bar (115 psig) resulting in a total pressure fluctuation of 6.6 bar (95 psig) for each stroke. -
Page 10: Isd420
PERFORMANCE ISD420 Legend: ND = No Dampener; WD = With Dampener This chart shows discharge head fluctuations for a diaphragm pump with and without a dampener. By reviewing the variation in pressure, the level of dampening can be estimated for an application. For example, the head pressure generated by a 38 mm (1-1/2″) pump operating at 5.5 bar (80 psig) air inlet pressure and 4.8 bar (70 psig) head pressure varies between 1.2 bar (18 psig) and 5.1 bar (74 psig) resulting in a total pressure fluctuation of 3.9 bar (56 psig) for each stroke. -
Page 11: Isd820
PERFORMANCE ISD820 Legend: ND = No Dampener; WD = With Dampener This chart shows discharge head fluctuations for a diaphragm pump with and without a dampener. By reviewing the variation in pressure, the level of dampening can be estimated for an application. For example, the head pressure generated by a 51 mm (2″) pump operating at 6.89 bar (100 psig) air inlet pressure and 6.2 bar (90 psig) head pressure varies between 2.3 bar (33 psig) and 6.4 bar (93 psig) resulting in a total pressure fluctuation of 4.1 bar (59 psig) for each stroke. -
Page 12: Isd1520
PERFORMANCE ISD1520/1530 Legend: ND = No Dampener; WD = With Dampener This chart shows discharge head fluctuations for a diaphragm pump with and without a dampener. By reviewing the variation in pressure, the level of dampening can be estimated for an application. For example, the head pressure generated by a 76 mm (3″) pump operating at 6.89 bar (100 psig) air inlet pressure and 6.2 bar (90 psig) head pressure varies between 1.7 bar (25 psig) and 7.8 bar (113 psig) resulting in a total pressure fluctuation of 6.1 bar (88 psig) for each stroke. -
Page 13: Section 5: Suggested Installation, Operation, Maintenance, And Troubleshooting
SECTION 5 SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING Wilden Equalizer Metal Surge Dampeners minimize pulsation and For correct operation, the dampener will require its own air-supply protects in-line equipment. line, taken from the air supply-of the pump. The pump and dampener are required to be connected to the same air pressure. -
Page 14: Section 6: Disassembly/Reassembly
SECTION 6 DISASSEMBLY / REASSEMBLY ISD DAMPENER DISASSEMBLY For 1ʺ ISD Dampener CAUTION: Before installing an ISD dampener into operation, review cautions and warnings as well as ensure that the materials of construction are suitable for the O-ring Pick application. - Page 15 DISASSEMBLY / REASSEMBLY ISD DAMPENER REASSEMBLY For 1ʺ ISD Dampener CAUTION: Before installing an ISD dampener into operation, review cautions and warnings as well as ensure that the materials of construction are suitable for the O-ring Pick application. Refer to Wilden’s Chemical Resistance Guide for more information. ...
- Page 16 DISASSEMBLY / REASSEMBLY Step 4 Step 5 Step 6 Apply 2-3 drops of Vibra-Tite123 (or Install the set screw and tighten using the Verify the shaft is clean and apply a coat similar thread locking compound) to the Allen Wrench. Be sure the screw does not of white EP grease to the shaft.
- Page 17 DISASSEMBLY / REASSEMBLY Step 10 Step 11 Step 12 Install the liquid chamber on top of the Place a flat washer at each bolt. Apply anti-seize to the threads of each primary diaphragm. bolt. Install a nut on each bolt and hand tighten.
- Page 18 DISASSEMBLY / REASSEMBLY MAXIMUM TORQUE SPECIFICATIONS Model Number Bolt Torque ISD220 26 N•m (19 ft-lbs) ISD420 41 N•m (30 ft-lbs) ISD820 41 N•m (30 ft-lbs) ISD1520/ISD1530 41 N•m (30 ft-lbs) WIL-19013-E-02...
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Page 19: Section 7: Exploded View And Parts List
SECTION 7 EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EQUALIZER SURGE DAMPENER ® INTEGRATED SD SERIES (ISD) METAL LW0499 REV. D ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS WIL-19013-E-02... - Page 20 EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST ISD220 ISD420 ISD820 ISD1520/1530 Model Description /SSS/TF/… /SSS/TF/… /SSS/TF/… /SSS/TF/… Item Description Air Distribution Components Breather Vent, 1/8" NPT 73-3241-03 Breather Vent, 1/4" NPT 79-3241-03 O-Ring, Control Valve (-114, Ø.612"...
- Page 21 NOTES WIL-19013-E-02...
- Page 22 NOTES WIL-19013-E-02...
- Page 23 NOTES WIL-19013-E-02...
- Page 24 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-19013-E-02...
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