在线亚洲人成电影网站色WWW_国产日产欧产美_久久精品青青大伊人AV_亚洲国产日韩A在线播放

Pneumatic safety valve

?When oil & gas is leaking or firing, used for security protect on well site.

?Have hydraulic safety valve and pneumatic safety valve per different driving source.

?With heat sensitive and high pressure explosion-proof equipment.

?Have two parts of actuator and preparation valve, can replace and repair standard interface.

?Working pressure: 2000PSI～20000PSI

?Nominal Bore: 1.13/16"～7.1/16"(46mm～180mm)

?Working Medium: oil, natural gas, mud and gas containing H2S、CO2

?Working Temperature: -46°C～121°C（Class LU）

?Material Class: AA、BB、CC、DD、EE、FF

?Specification Level: PSL1～3G

?Performance Requirement: PR1～2