Products / Kunkle 300/600 / Kunkle 300

Kunkle 300

Cast steel flanged safety valves with stainless steel full-nozzle trim, for steam boilers and generators, pressure reducing stations, air and gas compressors and pressure vessels. 300# inlet x 150# outlet flanges, orifices F through Q, set from 15 to 740 psig, -20°F to 800°F. ASME Section I ‘V’ and Section VIII/XIII ‘UV’, National Board certified.

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Inlet Size
1-1/4" ANSI B16.5 300# flange1-1/2" ANSI B16.5 300# flange2" ANSI B16.5 300# flange2-1/2" ANSI B16.5 300# flange3" ANSI B16.5 300# flange4" ANSI B16.5 300# flange6" ANSI B16.5 300# flange
Orifice
FGHJKLMNPQ
Seat
Metal – stainless steel disc on stainless steel full nozzle, seats lapped to optical flatness
30 variantsClear all filters

Kunkle 300LFF Safety Valve — F Orifice, 1-1/4″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LFF Safety Valve — F Orifice, 1-1/4″ Inlet, Steam ASME Section I

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Kunkle 300LFF Safety Valve — F Orifice, 1-1/4″ Inlet, Steam ASME Section VIII

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Kunkle 300LGF Safety Valve — G Orifice, 1-1/4″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LGF Safety Valve — G Orifice, 1-1/4″ Inlet, Steam ASME Section I

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Kunkle 300LGF Safety Valve — G Orifice, 1-1/4″ Inlet, Steam ASME Section VIII

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Kunkle 300LHG Safety Valve — H Orifice, 1-1/2″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LHG Safety Valve — H Orifice, 1-1/2″ Inlet, Steam ASME Section I

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Kunkle 300LHG Safety Valve — H Orifice, 1-1/2″ Inlet, Steam ASME Section VIII

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Kunkle 300LJG Safety Valve — J Orifice, 1-1/2″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LJG Safety Valve — J Orifice, 1-1/2″ Inlet, Steam ASME Section I

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Kunkle 300LJG Safety Valve — J Orifice, 1-1/2″ Inlet, Steam ASME Section VIII

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Kunkle 300LKH Safety Valve — K Orifice, 2″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LKH Safety Valve — K Orifice, 2″ Inlet, Steam ASME Section I

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Kunkle 300LKH Safety Valve — K Orifice, 2″ Inlet, Steam ASME Section VIII

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Kunkle 300LLJ Safety Valve — L Orifice, 2-1/2″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LLJ Safety Valve — L Orifice, 2-1/2″ Inlet, Steam ASME Section I

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Kunkle 300LLJ Safety Valve — L Orifice, 2-1/2″ Inlet, Steam ASME Section VIII

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Kunkle 300LMK Safety Valve — M Orifice, 3″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LMK Safety Valve — M Orifice, 3″ Inlet, Steam ASME Section I

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Kunkle 300LMK Safety Valve — M Orifice, 3″ Inlet, Steam ASME Section VIII

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Kunkle 300LNM Safety Valve — N Orifice, 4″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LNM Safety Valve — N Orifice, 4″ Inlet, Steam ASME Section I

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Kunkle 300LNM Safety Valve — N Orifice, 4″ Inlet, Steam ASME Section VIII

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Kunkle 300LPM Safety Valve — P Orifice, 4″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LPM Safety Valve — P Orifice, 4″ Inlet, Steam ASME Section I

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Kunkle 300LPM Safety Valve — P Orifice, 4″ Inlet, Steam ASME Section VIII

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Kunkle 300LQP Safety Valve — Q Orifice, 6″ Inlet, Air/Gas ASME Section VIII

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Kunkle 300LQP Safety Valve — Q Orifice, 6″ Inlet, Steam ASME Section I

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Kunkle 300LQP Safety Valve — Q Orifice, 6″ Inlet, Steam ASME Section VIII

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