Fluke 700PRV-1 Pressure Relief Valve KitFluke 700PRV 1 Pressure Relief Valve Kit The Fluke 700PRV 1 consists of a relief valve settable from 725 to 5800 PSI (50 to 200 bar) to be used with the 700HTP 1 Hydraulic Test Pump. The 1 8 NPT male thread to fits directly into the Fluke 700HTP 1 pressure pump. To be used with the 700HTP 1 Hydraulic Test Pump. The 700PRV uses a multi turn adjustment screw to set pre load on internal disc springs. This relief valve will protect the most commonly used