INSTALLATION, OPERATION and MAINTENANCE 10” to 16” Figure 624-D Sewage Surge Relief Valve INTRODUCTION These valves are large, heavy, and awkward to This manual will provide the information to properly handle, ensure proper handling techniques are install, operate and maintain the valve to ensure a employed.
As the valve opens it freely draws oil from the CAUTION: Do not completely close the needle valve reservoir into the piston chamber. as this will prevent the relief valve from closing once it has opened. As the pressure subsides the spring force will push the valve closed, forcing oil back into the reservoir through a needle valve that controls the speed at PREVENTIVE MAINTENANCE...
(15), the piston ID seal (16) and the REPLACEMENT PARTS piston (12). Genuine replacement parts are available from your 10. Remove the gland screws (11A) and gland local VAG/GA Industries representative or from the (11). factory: 11. Extract the stem/disc assembly from the cover.
REPAIR KITS Soft Goods Kit includes Items 4, 12A, 13A, 14A, 16, 17, 18, 19, 20, 21, 33 and 35 Size Kit Number Part Number 10” 2-80-25000-436 12” 2-80-25000-437 14” 16” All other parts ordered individually. Consult factory for larger sizes. WARRANTY: The Warranty for GA Industries valves is included in our Terms and Conditions which can...