1/4 in. Male National Pipe Taper (MNPT) Thread x 1/4 in. Female National Pipe Taper (FNPT) Thread, No Spring, FFKM (Perfluoroelastomer) O-Ring, 6000 psi High Pressure Relief Valve
Compact design Cracking pressure adjustable externally Lock wire feature secures a given pressure setting Each and every valve is tested at the factory