General Pump ZH1520 Single Bypass Trapped Pressure Unloader Valve 2465 PSI, 52.8 GPM, 1" FNPT

This General Pump Unloader Valve (ZH1520) is a brass valve with a single bypass port and 1" female NPT ports. Designed for top reliability and easy maintenance, this industrial-grade unloader maintains consistent desired pressure level when the line is open, and goes into bypass when the line is closed.
This General Pump Unloader Valve (ZH1520) is a brass valve with a single bypass port and 1" female NPT ports. Designed for top reliability and easy maintenance, this industrial-grade unloader maintains consistent desired pressure level when the line is open, and goes into bypass when the line is closed.