This standard specifies the structural type, product model, requirements, inspection methods, inspection rules, signs, product instructions, packaging, storage and transportation of composite high-speed intake and exhaust valves for water supply pipelines (hereinafter referred to as intake and exhaust valves). This standard is applicable to inlet and exhaust valves for water supply pipelines with nominal diameter DN50mm~300mm, nominal pressure not greater than 1.6MPa, water temperature 0℃~65℃.
CJ/T 217-2005 history
2013CJ/T 217-2013 Compound quick air inbreathe-release valve for water supply pipeline
2005CJ/T 217-2005 Compound quick air inbreathe-release valve for water supply pipeline