To high-quality carbon steel shell material, and electrostatic spraying epoxy tree Power at the end  of the formation of the surface of bright, durable  and   strong   corrosion   resistance;   Automatic  drainage  device SMC  Corporation of Japan   AD402-04,  also  optional   with  other  types  of  drainage  devices;

working  pressure 0.2～1.0Mpa,

Operating temperature≤66℃;working pressure  1.5～64Mpa in the  high-pressure type can be special ordered.