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