What is meant by double trim in a control valve??

Question

Ayman Mohamed Elorbany · Answer

double trime is used for large volumetric flow and flow will controled at two port both plug diameters are coordination such that the medium exerts an opening force on the one plug and closing on the other and actuating forces almost compensate each other out as a result plug con take variety of shapes to meet application characteristic requirement

Mustapha Kaf · Answer

Double trim valve contain balanced trim at high temperatures.This valve permits minimum actuator size when required tight shut-off.

Ahmed Emad · Answer

I think it is double seat for two plugs for more Flow control

مستخدم محذوف‎ · Answer

The indication "double trim" is a bit misleading since there is only one plug with two control ports.

Reason for it is to balance the force executed by the process pressure altough in practice not fully since the size of both ports differs because of practical reason as to be able to remove the plug for maintenance. Hope this clarifies.

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What is meant by double trim in a control valve??

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