... 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
gate valve casing 闸阀壳体
rotary valve casing 旋转阀外壳
travel motor valve casing 行驶马达阀筒
casing check valve 套管止回阀
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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