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The 19430 relief valves are designed for oxygen and other industrial gases and for cryogenic service in the vapor space. Apply on piping systems, liquid cylinders or mini-bulk cryogenic containers where an ASME relief valve is required.

Inlet Connection (in.) 1/2
Inlet Connection (mm) 12.7
Length (in.) 2.8
Length (mm) 71.1
Maximum Temperature Rating (°C) 74
Maximum Temperature Rating (°F) 165
Minimum Temperature Rating (°C) -196
Minimum Temperature Rating (°F) -320
Nominal Size (in.) 1/2
Orifice Size / Port Diameter (in.) 0.062
Orifice Size / Port Diameter (mm) 40
Outlet Connection (in.) 3/4
Outlet Connection (mm) 19
Pressure Setting (PSIG) 280
Weight (kg) 0.15
Weight Lbs. 0.3306933
ASME Certification? Yes
Connection Type M. NPT x F. NPT
Inlet Connection (DN) 15
Material Details Body: Brass|Spring: Stainless Steel|Seat Retainer: Brass|Pipe-Away Adapter: Brass
Nominal Size (DN) 15
Outlet Connection (DN) 20
pipe_away_option_included Sold Separately (B9412-4)
Pressure Relief Valve Flow Capacity (SCFM Air) 252.6741
Product Type Brass In-line Cryogenic Gas Relief Valves