valve casing 阀箱 ; 阀体 ; 阀门罩
casing check valve 套管止回阀
casing float valve 套管浮阀
inlet valve casing 进气阀壳
exhaust valve casing 排气阀壳
casing by-pass valve [油气] 套管旁通阀
According to this problem, casing oil stolen prevention sealing valve was developed, matching with down-hole oil-gas separator and gas lift valve lift technology.
针对这一难题，研制了套管防盗油密封阀，并配套应用了井下油气分离器与气举阀助流举升工艺技术。
If the exhaust system is under a vacuum, the casing must be warmed by gradually introducing the steam, after opening the exhaust valve.
如果排气系统处于真空下，必须在打开排气阀后，逐渐引蒸汽来加热壳体。
A valve installed in the wellhead assembly to provide access to the casing annulus of non-producing casings.
安装在井口装置中的一个阀。它提供通向非生产套管的套管环形空间的通路。
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