Designed for use as a relief valve on high pressure regulators to comply with NFPA 58 5.1.1 "High-pressure regulators with a rated capacity of more than 500,000 BTU/hr where permitted to be used on two stage systems shall incorporate an integral relief valve or shall have a separate relief valve."
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3139 Series 18 Pounds Per Square Inch Gauge (psig) Set Pressure Vapor Relief Valve - (003139-18)

3139 Series 18 psig Set Pressure Vapor Relief Valve
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3139 Series 26 Pounds Per Square Inch Gauge (psig) Set Pressure Vapor Relief Valve - (003139-26)

3139 Series 26 psig Set Pressure Vapor Relief Valve
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3139 Series 38 Pounds Per Square Inch Gauge (psig) Set Pressure Vapor Relief Valve - (003139-38)

3139 Series 38 psig Set Pressure Vapor Relief Valve
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Description N/A

External Relief Valve 18 Lbs. - Flow at 21.6 psi Inlet Pressure

 		N/A

26# External Relief Valve Flow at 31.2 psi Inlet Pressure

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38# External Relief Valve Flow at 45.6 psi Inlet Pressure
Alternate Part Number N/A N/A 3139-26 N/A
Set Pressure N/A 18 psig N/A 26 psig N/A 38 psig
Regulator Settings N/A 10 psig N/A 15 psig N/A 20 psig
Connection Size N/A 1/4 in
Connection Type N/A Male National Pipe Thread (MNPT)
Height N/A 2-27/32 in
Width N/A 1-1/16 in
Propane Flow Capacity at 120 Percent (%) of Set Pressure N/A 1357 scfh N/A 1725 scfh N/A 2304 scfh
Pipe Away Adapter N/A B-009412-2B
Capacity N/A 500,000 Btu/hr
Size N/A 1/4 in
Rating N/A National Fire Protection Association (NFPA) 58 5.1.1
Material N/A Brass
Note N/A

Flow recorded at 21.6 PSI inlet pressure for this valve.

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Flow recorded at 31.2 PSI inlet pressure for this valve.

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Flow recorded at 45.6 PSI inlet pressure for this valve.