Spec Master HPS620 Series single stage piston cylinder regulators are designed for primary pressure gas control of non-corrosive or toxic, high puirty gases upto grade 6.0 purity (99.9999%), on applications where slight variation from decreasing cylinder pressure is acceptable.

■ HPS621 Series | Single Stage Piston Cylinder Regulator, FKM Seal
■ HPS622 Series | Single Stage Piston Cylinder Regulator, EPDM Seal

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