Airgas Model 820H680 Brass Heavy Duty High Pressure Cylinder Regulator With 1/4" FNPT Connection Two Stage 316 Stainless Steel Diaphragms -

316 Stainless Steel Diaphragms - provide precise pressure control

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

These two-stage positive-seal regulators feature convoluted

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

Nickel-plating keeps it looking good for a long time

Airgas Model 820H680 Brass Heavy Duty High Pressure Cylinder Regulator With 1/4" FNPT Connection Two Stage 316 Stainless Steel Diaphragms -This 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.