This specification is applicable to the rubber lining of steel and cast iron chemical equipment, pipes and pipe fittings that use rubber as a corrosion-resistant and abrasive process medium. It is also applicable to the design, manufacture and inspection of the rubber lining part of the composite lining equipment using rubber as the isolation layer. and acceptance. The design, manufacturing, inspection and acceptance of lining equipment shells involved in this specification should not only meet the requirements of this specification, but also meet the requirements of corresponding standards.
HG/T 20677-2013 history
2013HG/T 20677-2013 Design code for chemical equipment with rubber lining