久久无码人妻一区二区三区午夜_久久久久精品久久久久影院蜜桃_亚洲综合欧美色五月俺也去_交换娇妻呻吟声不停中文字幕

EF-2型二閥組 TWO SERIES VALE

這種閥組將切斷、校準(zhǔn)和排氣三種裝置集于一體，結(jié)構(gòu)小巧，減少了易漏接頭，該閥組有兩個(gè)凹形接頭，可供壓力計(jì)，壓力傳感器或壓力開關(guān)安裝使用，接頭羅紋可根據(jù)用戶需要為PT、PF、NPT、G、ZG、R等，請(qǐng)?jiān)谟嗀洉r(shí)注明。

Three kinds devices collection Yu an integral whole , structure this valve being formed with the cut-out , calibration and exhausting have been small and exquisite , have decreased by connection easy to leak, that valve group has two concave types to connect, but provides a manometer, pressure sensor or pressure switch assembles usage , connection thread may be PT , PF , NPT , G , ZG , R etc. according to consumer need, give clear indication of when ordering goods please.

EF-3型二閥組 TWO SERIES VALE

這種閥組將切斷、校準(zhǔn)和排氣三種裝置集于一體，結(jié)構(gòu)小巧，減少了易漏接頭，該閥組有兩個(gè)凹形接頭，可供壓力計(jì)，壓力傳感器或壓力開關(guān)安裝使用，接頭羅紋可根據(jù)用戶需要為PT、PF、NPT、G、ZG、R等，請(qǐng)?jiān)谟嗀洉r(shí)注明。

Three kinds devices collection Yu an integral whole , structure this valve being formed with the cut-out , calibration and exhausting have been small and exquisite , have decreased by connection easy to leak, that valve group has two concave types to connect, but provides a manometer, pressure sensor or pressure switch assembles usage , connection thread may be PT , PF , NPT , G , ZG , R etc. according to consumer need, give clear indication of when ordering goods please.