Airgas Model N140FHF Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection Single Stage These regulators are nickel-plated to

These regulators are nickel-plated to maintaintheir appearance through years of service

galvanized steel with a powder-coat paint finish

These regulators have aunique design to reduce weight and make the regulatormore durable

nylon-reinforced neoprene diaphragm

Convoluted stainless steel diaphragms with metal-to-metal seals provide excellent regulating characteristics and allow for internal vacuum purging

Airgas Model N140FHF Brass Specialty High Purity High Flow Pressure Regulator With 1/2" FNPT Connection Single Stage These regulators are nickel-plated toThis 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.