The Spec Master HPD6030 series single stage differential autochange control panels are designed for primary pressure gas control of non-corrosive or toxic, high purity gases up to grade 6.0 purityv (99.9999%), on gas distribution systems where slight pressure variation is acceptable.
■ HPD6031 Series | Single Stage Twin Cylinder Diaphragm Differential Autochange Gas Control Panel, FKM Seal, FFKM Pressure Relief Valve
■ HPD6032 Series | Single Stage Twin Cylinder Diaphragm Differential Autochange Gas Control Panel, EPDM Seal, FFKM Pressure Relief Valve