Airgas Model C144B580 Brass Specialty High Purity Low Flow Two Stage Pressure Regulator With 1/4" FNPT Connection Switchover These unique patented general-purpose two-stage

These unique patented general-purpose two-stage regulators are recommended for analytical non-corrosive

5" H (A-20) fits rebar 1" to 2-1/4" diameter

Color: Bright Red

it does extremely well in CO2 service

Bar-tacked at all stress points

Airgas Model C144B580 Brass Specialty High Purity Low Flow Two Stage Pressure Regulator With 1/4" FNPT Connection Switchover These unique patented general-purpose two-stageThese two stage regulators are specifically designed for low flow, non corrosive gas applications where precise delivery pressure is critical. They feature a brass piston sensor in the first stage, a stainless steel diaphragm in the second stage and a preset safety relief valve. A sintered brass filter protects internal parts. These two stage regulators are also ideal for medical diagnostic applications, such as blood gas analysis, where precise