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。
A type of dual slots helix hoisting composite valve switch mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.
介绍了一种适用于球阀、蝶阀和旋塞阀双轨道旋转和升降复合动作的启闭结构。
A kind of slope slots and embeded plates hoisting expanding type valve sealing mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.
介绍了一种适用于球阀、蝶阀和旋塞阀的斜槽插板升降撑拢式阀门密封结构。
A type of dual slots helix hoisting composite valve switch mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.
介绍了一种适用于球阀、蝶阀和旋塞阀的斜槽插板升降撑拢式阀门密封结构。
The main products of the company include gate valves, globe valves, check valves, power station valves, ball valves, butterfly valves, plug valves and gas valves.
公司主要产品有闸阀、截止阀、止回阀、电站专用阀、球阀、蝶阀、旋塞阀、煤气阀。
Its suitable for ball valves, butterfly valves and plug valves and it has gained an invention patent patent No: ZL00111674.
介绍了一种适用于球阀、蝶阀和旋塞阀的阀杆旋转角度启闭的撑拢式阀门密封结构。
If we have excessive thatch, a large plug mark will indicate the balls energy was absorbed on impact, thereby disguising the quality of ball strike from the golfer.
如果我们拥有过多的草坪腐殖质层(枯草层)，(击球后在草坪上呈现的)一个大塞子状痕迹显示出球的能量在撞击后被吸收，因此掩盖了高尔夫球手的击球质量。
If we have excessive thatch, a large plug mark will indicate the balls energy was absorbed on impact, thereby disguising the quality of ball strike from the golfer.
如果我们拥有过多的草坪腐殖质层(枯草层)，(击球后在草坪上呈现的)一个大塞子状痕迹显示出球的能量在撞击后被吸收，因此掩盖了高尔夫球手的击球质量。
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