GB 44023-2024 Compounded rubber hose for internal use in gas appliance connection
GB 44023-2024 Compounded rubber hose for internal use in gas appliance connection
Basic Information
Scope
This document specifies the classification, specifications, and models of rubber composite hoses used for connecting gas appliances, as well as their appearance, structure, dimensions, performance requirements, testing methods, inspection rules, marking and user manuals, packaging, transportation, and storage. This document applies to the inner rubber hoses of metal-sheathed hoses used for connecting gas appliances, where the transmission medium is urban gas, the nominal size is not greater than DN15, the maximum working pressure is 0.01 MPa, and the operating temperature ranges from -10℃ to 70℃. This document does not apply to rubber composite hoses used for connecting appliances that transport media containing dimethyl ether. The rubber composite hoses specified in this document are not directly used for connecting gas appliances.