Airgas Model N145DHF580 Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection High Flow Pressure The optional bonnet vent adapter

The optional bonnet vent adapter allows venting of hazardous gases in the event of diaphragm failure

Self-closing lid is operated with the included foot lever

including dangers unique to the welding

It is recommended to be located as close as possible to the pressure point to maintain constant pressure

A sintered brass filter protects internal parts

Airgas Model N145DHF580 Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection High Flow Pressure The optional bonnet vent adapterThis series of regulators is used for applications requiring high gas flow rates and a compact design. These regulators can handle flows up to 250 liters per minute of nitrogen with only a 5 psig pressure drop. In addition, these units will handle hydrogen flow up to 1,000 liters per minute without the resonance problems associated with other regulators in this same application.