Electro liquid control plug valve is the high and new technical equipment applied in FCC unit in recent years.
电液控制塞阀是近年来应用于流化催化裂化装置的高新技术设备。
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。
The most common control valves are the parabolic plug and the V-ported valve.
最常用的控制阀具有抛物线形阀芯和V形开口阀芯。
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