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

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

Regular price $330.00 Sale price $99.00 Save $231.00
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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. General Pump recommends using a safety relief device in conjunction with this unloader when installed on positive displacement pumps.