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They feature a brass piston sensor in the first stage
They are also equipped with a reverse-flow check valve to prevent backflow of gas into the regulator on the outlet
A sintered brass filter protects internal parts
Material: Metal
Airgas Model C144A Brass Specialty High Purity Low Flow Two Stage Pressure Regulator With 1/4" FNPT Connection High Flow Pressure They feature a brass pistonThese 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