Neptune Chemical Pumps
Hydraulic Metering Pumps
Mechanical Metering Pumps
Electronic Solenoid Pumps
Peristaltic Hose Pumps
Neptune Feed Systems
From Neptune Chemical Pump Company Inc
Neptune Relief Valves have two outstanding characteristics:
Economy. Models RV-316-1, -2, -3 and -4 with all 316SS wetted parts cost no more than other 304SS designs. Carpenter 20 valves are also available as standard.
Simplicity. Neptune's exclusive design uses a self-cleaning ball check and seat. It has a unique spring guide which assures proper spring loading and consistent relief capacity. The relief pressure setting can be easily changed by removing the top cap screw and locking set screw, inserting a proper Allen wrench into the opening, and adjusting the spring to the desired pressure.
Recommended setting: Operating pressure plus 10% or 50 psi whichever is greater.
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