Kunkle 6252

Cast iron safety valve for steam boilers, pressure reducing stations, compressors and pressure vessels. Orifices J through R, 10 to 250 psig. ASME Section I for steam and Section VIII for air, steam and gas. Not for lethal or flammable service.

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Inlet Size
1-1/2" 250# Flange1-1/2" FNPT2-1/2" 250# Flange2-1/2" FNPT2" 250# Flange2" FNPT3" 250# Flange3" FNPT4" 250# Flange6" 250# Flange
Orifice
JKLMNPQR
Service
Air ASME Section VIIISteam ASME Section ISteam ASME Section VIII
Seat
Metal
57 variantsClear all filters

Kunkle 6252 Safety Valve — 1-1/2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 1-1/2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 1-1/2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 1-1/2″ FNPT x 2-1/2″ FNPT, J Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 1-1/2″ FNPT x 2-1/2″ FNPT, J Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 1-1/2″ FNPT x 2-1/2″ FNPT, J Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 3″ FNPT, K Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 3″ FNPT, K Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 3″ FNPT, K Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 4″ FNPT, L Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 4″ FNPT, L Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ 250# Flange x 4″ FNPT, L Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ FNPT x 4″ FNPT, L Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ FNPT x 4″ FNPT, L Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 2-1/2″ FNPT x 4″ FNPT, L Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ 250# Flange x 2-1/2″ FNPT, J Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ 250# Flange x 3″ FNPT, K Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ 250# Flange x 3″ FNPT, K Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ 250# Flange x 3″ FNPT, K Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ FNPT x 3″ FNPT, K Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ FNPT x 3″ FNPT, K Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 2″ FNPT x 3″ FNPT, K Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 3″ FNPT, K Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 3″ FNPT, K Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 3″ FNPT, K Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 4″ FNPT, L Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 4″ FNPT, L Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 4″ FNPT, L Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 4″ FNPT, M Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 4″ FNPT, M Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ 250# Flange x 4″ FNPT, M Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ FNPT x 4″ FNPT, M Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ FNPT x 4″ FNPT, M Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 3″ FNPT x 4″ FNPT, M Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 4″ FNPT, L Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 4″ FNPT, L Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 4″ FNPT, L Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 4″ FNPT, M Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 4″ FNPT, M Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 4″ FNPT, M Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 6″ 125# Flange, N Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 6″ 125# Flange, N Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 6″ 125# Flange, N Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 6″ 125# Flange, P Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 6″ 125# Flange, P Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 4″ 250# Flange x 6″ 125# Flange, P Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 6″ 250# Flange x 8″ 125# Flange, Q Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 6″ 250# Flange x 8″ 125# Flange, Q Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 6″ 250# Flange x 8″ 125# Flange, Q Orifice (Steam ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 6″ 250# Flange x 8″ 125# Flange, R Orifice (Air ASME Section VIII, Metal Seat)

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Kunkle 6252 Safety Valve — 6″ 250# Flange x 8″ 125# Flange, R Orifice (Steam ASME Section I, Metal Seat)

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Kunkle 6252 Safety Valve — 6″ 250# Flange x 8″ 125# Flange, R Orifice (Steam ASME Section VIII, Metal Seat)

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