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。
This full-featured valve is engineered to provide accurate throttling control and shutoff for industrial, chemical and water treatment applications.
这种性能全面的阀门设计为工业、化工和水处理应用领域提供精确节流控制和关闭功能。
This paper illustrates operation principle of the digital throttling valve and design of its control system.
论述了直控步进式水压数字节流阀的工作原理及其控制系统的设计。
Continuous severe throttling applications may require a control valve.
持续严酷的节流应用场合可能需要配置控制阀。
The paper analyses and introduces the calculation of programmers and its problems in the machining of control valve spindle with multiple throttling using numerically controlled lathe.
介绍了应用数控车床加工调节阀多级节流阀杆时程序的计算及编程中应注意的问题。
Fisher 8560 Fisher 8560 is a high-performance butterfly valve with a splined shaft for throttling control.
8560是一款高性能蝶阀，可用于绝大多数工况。
Fisher 8560 Fisher 8560 is a high-performance butterfly valve with a splined shaft for throttling control.
8560是一款高性能蝶阀，可用于绝大多数工况。
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