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Vent to atmosphere Relief Valves with Buna-N, Viton, PTFE, Neoprene, Flourosilicone seals options. Aluminum, Brass and 316 Stainless Steel material options. Cracking pressure from 0.5 to 150 psi.
ARA Series Metal Relief Valves
Unit of Measure
1 2 3 

Item #

Item Name

Male Thread

Cracking Pressure

Seal

Material

ARA-4M-15#-NP-B N/A ARA Series 1/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/4" Male NPT N/A 15 psi N/A Neoprene N/A Brass
ARA-6M-15#-NP-B N/A ARA Series 3/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/8" Male NPT N/A 15 psi N/A Neoprene N/A Brass
ARA-8M-15#-NP-B N/A ARA Series 1/2 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/2" Male NPT N/A 15 psi N/A Neoprene N/A Brass
ARA-12M-15#-NP-B N/A ARA Series 3/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/4" Male NPT N/A 15 psi N/A Neoprene N/A Brass
ARA-16M-15#-NP-B N/A ARA Series 1 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1" Male NPT N/A 15 psi N/A Neoprene N/A Brass
ARA-2M-20#-NP-B N/A ARA Series 1/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/8" Male NPT N/A 20 psi N/A Neoprene N/A Brass
ARA-4M-20#-NP-B N/A ARA Series 1/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/4" Male NPT N/A 20 psi N/A Neoprene N/A Brass
ARA-6M-20#-NP-B N/A ARA Series 3/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/8" Male NPT N/A 20 psi N/A Neoprene N/A Brass
ARA-8M-20#-NP-B N/A ARA Series 1/2 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/2" Male NPT N/A 20 psi N/A Neoprene N/A Brass
ARA-12M-20#-NP-B N/A ARA Series 3/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/4" Male NPT N/A 20 psi N/A Neoprene N/A Brass
ARA-16M-20#-NP-B N/A ARA Series 1 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1" Male NPT N/A 20 psi N/A Neoprene N/A Brass
ARA-2M-25#-NP-B N/A ARA Series 1/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/8" Male NPT N/A 25 psi N/A Neoprene N/A Brass
ARA-4M-25#-NP-B N/A ARA Series 1/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/4" Male NPT N/A 25 psi N/A Neoprene N/A Brass
ARA-6M-25#-NP-B N/A ARA Series 3/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/8" Male NPT N/A 25 psi N/A Neoprene N/A Brass
ARA-8M-25#-NP-B N/A ARA Series 1/2 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/2" Male NPT N/A 25 psi N/A Neoprene N/A Brass
ARA-12M-25#-NP-B N/A ARA Series 3/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/4" Male NPT N/A 25 psi N/A Neoprene N/A Brass
ARA-16M-25#-NP-B N/A ARA Series 1 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1" Male NPT N/A 25 psi N/A Neoprene N/A Brass
ARA-2M-30#-NP-B N/A ARA Series 1/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/8" Male NPT N/A 30 psi N/A Neoprene N/A Brass
ARA-4M-30#-NP-B N/A ARA Series 1/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/4" Male NPT N/A 30 psi N/A Neoprene N/A Brass
ARA-6M-30#-NP-B N/A ARA Series 3/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/8" Male NPT N/A 30 psi N/A Neoprene N/A Brass
ARA-8M-30#-NP-B N/A ARA Series 1/2 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/2" Male NPT N/A 30 psi N/A Neoprene N/A Brass
ARA-12M-30#-NP-B N/A ARA Series 3/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 3/4" Male NPT N/A 30 psi N/A Neoprene N/A Brass
ARA-16M-30#-NP-B N/A ARA Series 1 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1" Male NPT N/A 30 psi N/A Neoprene N/A Brass
ARA-2M-50#-NP-B N/A ARA Series 1/8 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/8" Male NPT N/A 50 psi N/A Neoprene N/A Brass
ARA-4M-50#-NP-B N/A ARA Series 1/4 Inch (in) Male National Pipe Thread (NPT) Neoprene Seal Brass Relief Valve N/A 1/4" Male NPT N/A 50 psi N/A Neoprene N/A Brass
Unit of Measure
1 2 3