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INSTALLATION, OPERATION AND
MAINTENANCE MANUAL
FIGURE 939
2"x1", 2" & 3"x 2" Drawing EAV-7105
AIR & VACUUM VALVES
FOR SEWAGE & WASTEWATER
TABLE OF CONTENTS
Introduction .................................. 2
................. 2
Receiving & Storage ....................... 2
Installation ..................................... 2
Valve Construction ......................... 3
Preventive Maintenance .................. 3
Testing/Trouble Shooting .................. 3
Disassembly .................................. 3
Assembly ...................................... 4
............... 4
Order Replacement Parts ................. 4
Repair Kits .................................... 5
Warranty ....................................... 5
........ 5
Figure 939 Drawing/Parts List
234 Clay Avenue • Mars, PA 16046 USA
Telephone (724) 776-1020 • Fax (724) 776-1254
E-mail:
info-ga@vag-group.com
Manual Number 939-IOM-111120
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Summary of Contents for Vag GA Industries FIGURE 939
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Page 1: Table Of Contents
Backflushing Instructions Order Replacement Parts …………….. 4 Repair Kits ……………………………… 5 Warranty .……………………………….. 5 ….…. 5 Figure 939 Drawing/Parts List 234 Clay Avenue • Mars, PA 16046 USA Telephone (724) 776-1020 • Fax (724) 776-1254 E-mail: info-ga@vag-group.com Manual Number 939-IOM-111120... -
Page 2: Introduction
INSTALLATION, OPERATION and MAINTENANCE 2”x1”, 2” & 3”x 2” Figure 939 Air & Vacuum Valves surfaces of the seat should be coated with a INTRODUCTION non-toxic lubricant such as "SuperLube" made This manual will provide the information to by Synco Chemical. Do not expose the rubber properly install, operate and maintain the valve parts to sunlight or ozone. -
Page 3: Valve Construction
VALVE CONSTRUCTION Replace or tighten the pipe plug and slowly open The standard Figure 939 Sewage Air & Vacuum the inlet isolating valve. After expelling air, the Valve has a cast iron body and cover, 316 valve should close and seal tightly. stainless steel float, plug, seat and internal mechanism and a rubber seat. -
Page 4: Assembly
(7), screw on the float ball (12) and REPLACEMENT PARTS tighten. Genuine replacement parts are available from your local VAG/GA Industries representative or Lubricate and place seat O-ring (10) in seat (4), from the factory: install in cover (2) and tighten. -
Page 5: Repair Kits
316 Stainless Steel Lock Washer 410 Stainless Steel • Older valves have ductile iron cage with bushing, bushing not used with 316SS cage VAG USA, LLC 234 Clay Avenue • Mars, PA 16046 USA Phone: 724-776-1020 • Fax: 724-776-1020 info-ga@vag-group.com www.gaindustries.com... - Page 6 This page intentionally left blank...