Airgas Model 820H680 Brass Heavy Duty High Pressure Cylinder Regulator With 1/4" FNPT Connection Two Stage lightweight design is extremely convenient

lightweight design is extremely convenient

mass spectrometers

Nickel-plating makes sure it looks good through many years of service

A preset safety relief valvemakes these regulators suitable for use only with non-corrosive gases

316 Stainless Steel Diaphragms - provide precise pressure control

Airgas Model 820H680 Brass Heavy Duty High Pressure Cylinder Regulator With 1/4" FNPT Connection Two Stage lightweight design is extremely convenientThis series of Airgas heavy duty high pressure cylinder regulators is recommended for use on cylinders or panel mounting with a wide variety of non corrosive inert gases. This series is ideally suited for high pressure testing, purging and charging, calibration kits, manufacturing processes and RandD laboratories. The Airgas heavy duty high pressure cylinder regulators piston sensor design provides structural reliability in high pressure applications.