闸板边缘以辐射状通过填料区域。
打开防喷器闸板进行内部检查。
抛光的底部闸板材质也可以是不锈钢。
对闸板防喷器进行全压试压。
铸钢阀门锤击手轮，阀座环，楔形闸板。
常规闸板式防喷器的一个厚且重的部件。
A thick, heavy steel component of a conventional ram blowout preventer.
闸板上可活动的部件与密封部件分开固定。
The movable parts of the disc are fitted separately from the sealing parts.
闸板由阀座引导，可以延长填料的密封寿命。
The gate is guided by the seat, extending the sealing life of the packing.
管道闸阀是闸阀的一种形式，它有延长的闸板。
Conduit valves are a form of gate valves with elongated gates.
盖的两半，通常称之为闸板块，有不同的外形。
The halves of the covers, formally called ram blocks, are available in a variety of configurations.
这些管柱闸板有效地密封了有限范围内的管柱直径。
These pipe RAMS effectively seal a limited range of pipe diameters.
闸板两面均经过精密精磨加工，避免损坏填料和阀座。
They feature a precision ground finish on both sides to prevent packing and seat damage.
精密机械加工的斜面闸板端使得阀座部件使用寿命更长。
Precision machined beveled gate end provides long life of seating components.
闸板和阀座的接触表面必须光滑、平整，才能有效地密封。
Contacting surfaces of the gate and body seats must be smooth and flat for effective sealing.
包括带有闸板指示器的地轴承架，手轮，连接件和加长件。
Includes floorstand with gate position indicator, handwheel, fittings and extension.
这种楔形闸板的优点在于具有很好的耐腐蚀和抗振动的性能。
The advantages of this wedge are that it is highly resistant to corrosion and vibration.
不存在金属对金属的接触，因此也就不可能出现闸板问题的困扰。
There is no metal - to - metal contact, therefore gate galling is impossible.
闸板压力侧的流体压力使另一侧的阀座受较大的力，提高了密封性。
Fluid pressure on one side of the gate presses it against the opposite seat with great force and improves the seal.
闸板的斜面刀形边缘能够将杂质排出或切割流体介质中的固体颗粒。
The beveled knife like edge pushed aside or cuts through solids in the flow stream.
不建议用于高速流体或含有可能淤塞闸板的悬浮颗粒的流体的应用。
It is not recommended for high velocity flow or services where suspended particles can foul the wedge.
当工具接头需要通过闸板型防喷器时，就必须不断地重复上述步骤。
This procedure is repeated whenever a tool joint must pass by a ram BOP.
闸板两侧经过精密的精磨加工工艺，能够防止密封填料和阀座的损坏。
They have a precision ground finish on both sides to prevent packing and seat damage.
这是通过利伯斯金先生的楔形闸板所精心制作的“超越障碍训练场”。
This is elaborated by an "obstacle course" in Mr Libeskind's wedge.
为了延长密封填料的使用寿命，提供超级密封性能，闸板边缘是圆形的。
To increase packing life and provide a superior seal, the gate edges are rounded.
大直径的液压缸，通常是收缩，迫使闸板的两半一起向中间运动去密封井眼。
Large-diameter hydraulic cylinders, normally retracted, force the two halves of the cover together in the middle to seal the wellbore.
即使在最低的管线压力下，闸板与阀座之间的配合也能够实现气泡级密封功能。
The interference fit between the gate and seat provides bubble tight shutoff even under the lowest pressure.
这种设计结构不依赖密封填料来定位闸板，因此使得密封填料的更换更加简单。
The design doesn't rely on the packing to position the gate, making packing replacement easier.
一旦井控或井涌发生时，可以用于快速密封井眼上部的装置称为闸板式防喷器。
A device that can be used to quickly seal the top of the well in the event of a well control event (kick).
一旦井控或井涌发生时，可以用于快速密封井眼上部的装置称为闸板式防喷器。
A device that can be used to quickly seal the top of the well in the event of a well control event (kick).
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