Airgas Model C484B Stainless Steel Corrosive Service Single Stage Standard Model Regulator Switchover The needle valve model has

The needle valve model has the valve built into the regulator body reducing the gas path

It is recommended to be located as close as possible to the pressure point to maintain constant pressure

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unfolds to a triangular shape and are held firmly in place with a sturdy locking device

The Airgas® heavy-duty high-pressure cylinder regulator’s piston sensor design provides structural reliability in high-pressure applications

Airgas Model C484B Stainless Steel Corrosive Service Single Stage Standard Model Regulator Switchover The needle valve model hasThese regulators are recommended for use with acid forming gases where brass and copper free systems are required. The proven, low maintenance design features a PCTFE seat for wide media compatibility. 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.