
INDUSTRIAL VALVES - CHECK VALVES OF THERMOPLASTICS MATERIALS
出版:Comite Europeen de Normalisation

专家解读视频
Specifies requirements for the design, functional characteristics and manufacture of check valves made of thermoplastics materials intended to allow the flow of liquid fluids through the valve in one direction only and to prevent backflow, their connection to the pipe system, the body materials and their pressure/temperature rating between -40 degrees Celsius and +120 degrees Celsius, for a lifetime of 25 years, and also specifies their tests.