国内欧美视频一区二区,黄色大片在线,精品国产a一区二区三区v免费,精品国一区二区三区

　　Valve and oil asmping valve

　　Operative standard: JB/T5345-2005

　　Operating environment: Environment temperature from -25 Celsius to 40 Celsius

　　Working temperature: from -25 Celsius to 105 Celsius

　　The oil samples can be extracted from the sampling valves to the oil asmping valves.

nstallation dimension :

Butterfly valve

Operative standard: JB/T5345-2005

Operating environment: Environment temperature from -25 Celsius to 40 Celsius  

Working temperature: from -25 Celsius to 105 Celsius

Sealed parts 

Operative standard: JB/T8448.1-2004

Operating environment: Environment temperature from -25 Celsius to 40 Celsius  

Working temperature: from -25 Celsius to 105 Celsius