Kunkle 300/600

Cast steel, flanged, exposed spring safety valves with stainless steel full-nozzle trim, for steam boilers and generators, pressure reducing stations, air and gas compressors and pressure vessels. Ten orifices from F to Q, 0.307 to 11.045 in², -20°F to 800°F. Model 300 has a 300# inlet flange and is set to 740 psig; Model 600 has a 600# inlet flange and is set to 1,000 psig. ASME Section I ‘V’ and Section VIII/XIII ‘UV’, National Board certified.