插一插射一射视频-插综合网-产国语一级特黄aa大片-超91精品手机国产在线-韩国黄色a级片-韩国黄色毛片

　　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