Dover WILDEN PSG Equalizer ISD1520 Engineering, Operation & Maintenance Download Page 3 | Manualshive

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Dover WILDEN PSG Equalizer ISD1520 Engineering, Operation & Maintenance Download Page 3

WIL-19013-E-02

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CONTENTS

SECTION 1: Precautions – Read First!

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SECTION 2: Wilden Designation System

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SECTION 3: Dimensional Drawings

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ISD220 ...................................................................................................................................................... 6

ISD420 ...................................................................................................................................................... 6

ISD820 ...................................................................................................................................................... 7

ISD1520 .................................................................................................................................................... 7

ISD1530 .................................................................................................................................................... 8

SECTION 4: Performance

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ISD220 ...................................................................................................................................................... 9

ISD420 .................................................................................................................................................... 10

ISD820 .................................................................................................................................................... 11

ISD1520 .................................................................................................................................................. 12

SECTION 5: Suggested Installation, Operation, Maintenance, and Troubleshooting

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SECTION 6: Disassembly/Reassembly

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SECTION 7: Exploded View and Parts List

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Summary of Contents for WILDEN PSG Equalizer ISD1520

Page 1: ...WIL 19013 E 02 Where InnovationFlows EOM ENGINEERING OPERATION MAINTENANCE MANUAL Equalizer Surge Dampeners Integrated SD Series ISD Metal Models ISD220 ISD420 ISD820 and ISD1520 ISD1530 ...

Page 2: ...a LLC Wil Flex is a trademark of PSG California LLC Saniflex is a trademark of PSG California LLC All trademarks names logos and service marks collectively trademarks in this document are registered and unregistered trademarks of their respective owners Nothing contained in this document should be construed as granting any license or right to use any trademark without the prior written permission ...

Page 3: ... SECTION 3 Dimensional Drawings 6 ISD220 6 ISD420 6 ISD820 7 ISD1520 7 ISD1530 8 SECTION 4 Performance 9 ISD220 9 ISD420 10 ISD820 11 ISD1520 12 SECTION 5 Suggested Installation Operation Maintenance and Troubleshooting 13 SECTION 6 Disassembly Reassembly 14 SECTION 7 Exploded View and Parts List 19 ...

Page 4: ... chemically with all wetted pump components CAUTION Dampener s should be thoroughly flushed before installing into process lines CAUTION Before any maintenance or repair is attempted the compressed air line to the dampener and pump should be disconnected and all air pressure allowed to bleed from system Disconnect all intake discharge and air lines Drain the dampener and allowing any fluid to flow...

Page 5: ...ANGED PORT WETTED PATH SZ STAINLESS STEEL NOT APPLICABLE AIR CHAMBER AND AIR VALVE SS STAINLESS STEEL DIAPHRAGMS TBL PTFE w BUNA N BACK UP IPD SPECIALTY CODES 0014 BSPT 0504 DIN NOTE Most elastomeric materials use colored dots for identification EQUALIZER LEGEND I SD XXXX SZ SS TBL SURGE DAMPENER INTEGRATED SD SERIES ISD MODEL DIAPHRAGMS AIR CHAMBER AND AIR VALVE WETTED PATH SIZE WILDEN DESIGNATIO...

Page 6: ...DARD inch A 274 DIA 10 8 DIA B 169 6 7 C 172 6 8 D 14 6 E 7 3 F 1ʺ BSPT NPT 1ʺ BSPT NPT LW0498 REV C ISD420 DIMENSIONS ITEM METRIC mm STANDARD inch A 361 DIA 14 2 DIA B 220 8 7 C 224 8 8 D 14 6 E 7 3 F 1 1 2ʺ BSPT NPT 1 1 2ʺ BSPT NPT LW0498 REV C DIMENSIONAL DRAWING ...

Page 7: ...inch A 361 DIA 14 2 DIA B 220 8 7 C 224 8 8 D 14 6 E 7 3 F 2ʺ BSPT NPT 2ʺ BSPT NPT LW0498 REV C ISD1520 DIMENSIONS ITEM METRIC mm STANDARD inch A 474 DIA 18 7 DIA B 333 13 1 C 340 13 4 D 19 7 E N A N A F 3ʺ BSPT NPT 3ʺ BSPT NPT LW0498 REV C DIMENSIONAL DRAWING ...

Page 8: ...METRIC mm STANDARD inch A 474 DIA 18 7 DIA B 333 13 1 C 340 13 4 D 19 7 E N A N A F 76 DIN 3 0 ANSI ANSI G 191 DIA 7 5 DIA H 152 DIA 6 0 DIA J 19 DIA 8 DIA DIN G 200 DIA 7 9 DIA H 160 DIA 6 3 DIA J 18 DIA 7 DIA LW0498 REV C DIMENSIONAL DRAWING ...

Page 9: ...xample 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 When an ISD220 SZSS TBL dampener is installed in the application the head pressure varies between 3 6 bar 52 psig and 6 4 bar 93 psig ...

Page 10: ...e 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 When an ISD420 SZSS TBL dampener is installed in the application the head pressure varies between 3 9 bar 56 psig and 2 4 bar 35 psig resu...

Page 11: ...le 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 When an ISD820 SZSS TBL dampener is installed in the application the head pressure varies between 4 2 bar 61 psig and 5 9 bar 85 psig resul...

Page 12: ...mple 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 When an ISD1520 SZSS TBL dampener is installed in the application the head pressure varies between 4 3 bar 62 psig and 5 6 bar 81 psig r...

Page 13: ...fying proper operation of the unit If there is a continuous discharge of air out this hole during steady fluid discharge pressure the ISD is not functioning properly and should be inspected The ISD air regulator body houses three O rings which may need to be replaced For correct operation the dampener will require its own air supply line taken from the air supply of the pump The pump and dampener ...

Page 14: ... for more information NOTE The model pictured in this section is a metal ISD220 1ʺ integrated surge dampener Your specific dampener model may vary from the configuration shown However the disassembly procedure will be the same NOTE Replace worn parts with genuine Wilden parts for reliable performance Step 1 Step 2 Step 3 Loosen bolts with socket wrench Remove liquid chamber inspect for damage and ...

Page 15: ...tance Guide for more information NOTE The model pictured in this section is a metal ISD220 1ʺ integrated surge dampener Your specific dampener model may vary from the configuration shown However the disassembly procedure will be the same NOTE Replace worn parts with genuine Wilden parts for reliable performance Step 1 Step 2 Step 3 Install the control valve O rings into the bottom of the shaft usi...

Page 16: ...e Allen Wrench Be sure the screw does not get over tightened Verify the shaft is clean and apply a coat of white EP grease to the shaft Step 7 Step 8 Step 9 Install the back up diaphragm and the shaft assembly into the air chamber Align the bolt holes Begin installing the bolts and the flat washers Place the primary diaphragm over the back up diaphragm DISASSEMBLY REASSEMBLY ...

Page 17: ...hreads of each bolt Install a nut on each bolt and hand tighten Step 13 Step 14 Using the socket wrench tighten all nuts and bolts to applicable torque specifications identified on page 18 Note the arrow on the air chamber pointing to the air inlet When installing the breather vent install it in the threaded hole opposite the air inlet DISASSEMBLY REASSEMBLY ...

Page 18: ...WIL 19013 E 02 18 MAXIMUM TORQUE SPECIFICATIONS Model Number Bolt Torque ISD220 26N 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 DISASSEMBLY REASSEMBLY ...

Page 19: ...9013 E 02 19 SECTION 7 EQUALIZER SURGE DAMPENER INTEGRATED SD SERIES ISD METAL LW0499 REV D ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST ...

Page 20: ...74 1069 52 79 1069 52 9 Diaphragm Primary 1 73 1045 55 74 1045 55 79 1045 55 10 Nut Lock 3 8 16 10 99 6471 03 Hex Nut 7 16 14 12 74 6427 03 Hex Nut 7 16 14 24 74 6427 03 11 Washer Flat Ø 812 X Ø 406 X 065 20 04 6740 03 Washer Flat Ø 922 X Ø 469 X 080 24 74 6734 03 Washer Flat Ø 922 X Ø 469 X 080 48 74 6734 03 12 Screw HHC 3 8 16 x 1 1 4 10 73 6190 03 Screw HHC 7 16 14 x 1 1 4 12 74 6123 03 Screw H...

Page 21: ...WIL 19013 E 02 21 NOTES ...

Page 22: ...WIL 19013 E 02 22 NOTES ...

Page 23: ...WIL 19013 E 02 23 NOTES ...

Page 24: ... USA P 1 909 422 1730 psgdover com Copyright 2021 PSG a Dover Company PSG 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 Where InnovationFlows ...

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