Best Buy Smith High Purity Fuel Gas Regulator - Series 620 Two Stage Brass Reviews

(Pictured with optional 1/4" FNPT diaphragm outlet valve) Smith High Purity Fuel Gas Regulator - Series 620 Two Stage Brassfor Acetylene, Hydrogen, Methane, Propane and LP gas. This high purity two stage regulator is designed for non-corrosive gases requiring precise and stable delivery pressure control. These regulators provide constant outlet pressure regardless of inlet pressure fluctuations. This regulator features a unique, specially designed stainless steel diaphragm that gives maximum accuracy and provides stable regulation of delivery pressure. A nickle plated brass, diffusion resistant, packless diaphragm shut-off valve is available for flow control and to maintain system purity. Captured 1/16" FNPT vent ports are provided for both stages to allow for venting of hazardous gases in the event of a diaphragm failure. This regulator is capable of withstanding internal vacuums

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Smith High Purity Fuel Gas Regulator - Series 620 Two Stage Brass