Kunkle 264/265/266/267

Extra heavy relief valves for pumps, compressors, pressure vessels and systems handling corrosive fluids or vapors at high pressure and temperature. Carbon steel with 316 stainless trim (264, 265) or all 316 stainless (266, 267), covering -320°F to 750°F. Single 0.110 in² orifice, set from 4 to 3,300 psig. ASME Section VIII and XIII ‘UV’ and National Board certified for air/gas and steam; liquid relief is non-code. Also suitable for sentinel warning service on steam equipment.