1.0.1 This standard specifies the structural type, dimensions, technical requirements, marking methods and selection regulations for a glass tube liquid level gauge with a nominal pressure of 1.6MPa. 1.0.2 This standard is applicable to glass tube liquid level meters used for equipment liquid level indication in the chemical industry with a nominal pressure of 1.6MPa and a service temperature of 0 to 200°C.
HG 21592-1995 history
1996HG 21592-1995 Standard series and technical requirements of glass tube liquid level gauge (PN1.6)