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The external nickel plating
These single-stage regulators are designed for mildly corrosive gases that attack brass or copper-bearing alloys
These regulators have a unique design to reduce weight and make the regulatormore durable
Self-closing lid is operated with the included foot lever and opens no more than 60 degrees
Airgas Model C441B Stainless Steel High Purity Single Stage Line Regulator With 1/4" FNPT Connection And Threadless Seat Two Stage The external nickel platingThis series of 316 stainless steel high purity, single stage line regulators is recommended for applications where diffusion resistance is required. These regulators are recommended for use on low pressure pipelines serving gas chromatographs, mass spectrometers, research sampling systems, and semiconductor processing. The specially designed, convoluted Hastelloy C 22 diaphragm provides accurate, stable delivery pressure and is capable of withstanding