Airgas Model 820J Brass Heavy Duty High Pressure Cylinder Regulator With 1/4" FNPT ConnectionThis 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.

Convoluted Hastelloy® C-22 diaphragms provide excellent regulating characteristics and allow for internal vacuum purging

Outlet Needle Valve - built into body

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

delivery pressure control

This regulator also has both a front and rear panel mount bonnet to allow for easy panel mounting

Note: A Cross-Purge Assembly must be used in conjunction with these models in order to ensure effective purging of hazardous gas traces during cylinder change out

The unique design of this regulator provides a continuous sweeping of the high pressure chamber

Type 316 stainless steel internal components are ultra-sonically cleaned and electropolished to a 32-Ra surface finish for applications where a contamination-free flow stream is critical

A specially designed

The regulator has a unique design to reduce weight and make the regulator more durabe

low-pressure mixes

This analytical series of high-purity brass