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while the encapsulated filters assembly protect the valve seats and extends operating service life
convoluted Hastelloy C-22 diaphragm provides good regulating performance and maximum purity integrity without the need for a soft seal
Interior strips of molded fluorescent plastic provide effective warning for daytime use
Size: 12" X 12" X 2"
DOT FMVSS125
Airgas Model C484D660 Stainless Steel Corrosive Service Single Stage Standard Model Regulator Switchover while the encapsulated filters assemblyThese 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.