Airgas Model 311D540 Brass-Plated Bar Stock Noncorrosive Gas Two Stage Regulator With CGA-540 Connection High Flow Pressure low maintenance design features a

low maintenance design features a PCTFE seat for wide media compatibility

The metal-to-metal diaphragm seal prevents contamination by eliminating the need for a soft seal and provides a leak-rate design of less than 2 x 10-8 ccs helium

Select brass for noncorrosive gas service and stainless steel for corrosive service

The two-stage design limits the variations in the outlet pressure to 0

The proven

Airgas Model 311D540 Brass-Plated Bar Stock Noncorrosive Gas Two Stage Regulator With CGA-540 Connection High Flow Pressure low maintenance design features aThese economical plated brass cylinder regulators are specially suited for use in applications and environments requiring both high reliability and diffusion resistance. Sensitive, extra long life stainless steel diaphragms ensure high purity and leak integrity of specialty gases. The cartridge valve design with integral filter protects the regulator seat from particulate contamination and makes servicing simple and cost effective. Two stage design