Special Features:

Enclose spring, bronze/brass trim model 252, 3 inch screwed inlet, flanged, 4 inch female pipe thread outlet, m-orifice, pressure set 30 psi; applications: steam boilers and generators, pressure reducing stations, air/gas compressors-reciprocating or rotary, preessure vessels-including tanks, receivers, intercoolers, oil-gas separators, line

Properties:

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.