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INSTALLATION, OPERATION AND
MAINTENANCE MANUAL
Figure 525-RD Globe Style Weight Loaded
Sewage Surge Relief Valve
2" to 12" Drawing K-1015
TABLE OF CONTENTS
Introduction .................................. 1
Function ....................................... 1
Receiving & Storage ....................... 1
Installation ..................................... 1
Operation ..................................... 1
Valve Construction ......................... 2
Start-Up ........................................ 2
Preventive Maintenance .................. 2
Trouble Shooting ........................... 2
Disassembly .................................. 3
Assembly ...................................... 3
Replacement Parts .......................... 4
Warranty ....................................... 4
Assembly Drawing/Parts Location ...... 4
234 Clay Avenue • Mars, PA 16046 USA
Telephone (724) 776-1020 • Fax (724) 776-1254
E-mail:
info-ga@vag-group.com
Manual Number 525.01-IOM-101723
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Summary of Contents for Vag GA INDUSTRIES Figure 525-RD
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Page 1: Table Of Contents
Trouble Shooting ...…………………… 2 Disassembly ..………………………… 3 Assembly ..……………………………. 3 Replacement Parts …...……………….. 4 Warranty .……………………………….. 4 Assembly Drawing/Parts Location …… 4 234 Clay Avenue • Mars, PA 16046 USA Telephone (724) 776-1020 • Fax (724) 776-1254 E-mail: info-ga@vag-group.com Manual Number 525.01-IOM-101723... -
Page 2: Introduction
INSTALLATION, OPERATION and MAINTENANCE 2” to 12” Figure 525-RD Weight Loaded Sewage Surge Relief Valve INTRODUCTION Handle heavy valves using slings around the valve This manual will provide the information to properly body and/or by the lifting eyes. install, operate and maintain the valve to ensure a long service life. -
Page 3: Valve Construction
variables involved there is no “calibration,” so field As the valve opens it freely draws oil from the adjustment is by “trial and error.” reservoir into the piston chamber. When the system pressure subsides the force of the Because of the structural limitations of the valve, the counterweights will close the valve, forcing oil back opening pressure cannot be set higher than that into the reservoir through a flow control valve to... -
Page 4: Disassembly
edges. Apply a light coat of lubricant on WARNING sealing surfaces to assist in the assembly. Removing the valve from the line or disassembling Install new seat ring (32) on disc (2), the valve while there is pressure in the valve body replace follower (33) and install seat ring may result in injury or damage to the valve. -
Page 5: Replacement Parts
REPLACEMENT PARTS ordering parts. Identify needed part(s) by Shop Order Genuine replacement parts are available from your (SO) Number, Figure Number, valve size and local VAG/GA Industries representative or from the individual part number. factory: All parts ordered individually. VAG USA, LLC...