INSTALLATION, OPERATION and MAINTENANCE 2” to 8” Figure 625-D Sewage Surge Relief Valve INTRODUCTION These valves are heavy, and awkward to handle, This manual will provide the information to properly ensure proper handling techniques are employed. install, operate and maintain the valve to ensure a Handle heavy valves using slings around the valve long service life.
As the valve opens it freely draws oil from the the springs allow is required, consult the factory for reservoir into the piston chamber. replacement springs. As the pressure subsides the spring force will push Small adjustments to the closing speed may be made the valve closed, forcing oil back into the reservoir if needed.
First ensure there is no pressure within the valve and 13. Inspect all parts for wear and damage. operating equipment is tagged and locked out. Refer Replace all seals and any worn and/or to Pages 4 and 5 for parts identification and location. damaged parts.
REPLACEMENT PARTS PARTS LIST Genuine replacement parts are available from your Part No. Part Name Std. Material Body Cast Iron local VAG/GA Industries representative or from the Cover Cast Iron factory: Piston (2”- 4”) Stainless Steel Piston (6”-8” Bronze VAG USA, LLC...