... casing of safety valve 安全阀壳 valve casing 阀箱 ; Casing Well-Control Valve 套管井控阀 ...
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inlet valve casing 进气阀壳
exhaust valve casing 排气阀壳
casing valve 套管阀 ; 套管浮阀
vent valve casing 通风顶罩
gate valve casing 闸阀壳体
rotary valve casing 旋转阀外壳
The eccentric press handle (3) is riveted and connected to the valve casing (5) through a pin (4).
偏心压把（3）通过销子（4）铆接在阀壳（5）上。
The water heating control valve is composed of a valve casing, a valve outer cover, an inner cover, a pressure spring, a valve core, a positioning device and a sealing ring.
水暖控制阀由阀壳、阀外盖、内盖、压簧、阀芯、定位装置及密封圈构成。
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。
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