BTS 3/8" UNF Regualator 1st Stage Overpressure Valve A13910603

BTS 3/8" UNF Regualator 1st Stage Overpressure Valve A13910603 Overpressure Safety Relief Valve with Male 3/8" UNF Thread Fitting with O-Ring. Attaches to a UNF 3/8" Low Pressure Port on with no built in Over Pressure Valve. Protects Low Pressure Hoses and Second Stages from excessive Intermediate Pressure. Valve, opens at approximately 14 Bar / 200 PSI presure.