TRIM AIR VALVE 空气配平活门
Valve Trim 阀内件
trim modulating valve 配平调节活门
trim pump sea stop valve 纵倾泵海水止回阀
Structure of valve trim 阀内件结构
components valve trim 阀内组件部分
DO NOT TRIM any excess gasket material, it will seat itself after bolting the valve into the pipeline, thus providing a positive seal.
不要修正任何多出的垫圈材料，这些多出部分会在将阀门用螺栓锁到管道后重新回到正确的位置，从而实现正常的密封。
In high different pressure process condition, if the valve type selected were not correct, erosion and corrosion would occur in the trim, especially in steam systems and water spraying systems.
在高差压的工艺条件下，如果选型不当，控制阀往往出现冲蚀、汽蚀问题，尤其是在蒸汽系统和注水系统更为突出。
V-port trim has a more linear throttling curve than plug or ball discs, but none of these trims are recommended for continuous severe throttling which may require using a control valve.
形端口阀内件截止阀比塞形阀瓣或球形阀瓣截止阀具有更加线性的节流曲线，但是，所有这些类型的截止阀都不建议连续用于严格的节流应用中，这种情况可能需要采用控制阀。
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