There Are Two Types: Adjustable Sections Of Throttle Valve And Fixed Throttle Valve. The Adjustable Throttle Valve Adjusts The Opening Area Of The Throttle Nozzle By Turning The Handwheel To Drive The Valve Stem To Advance And Retreat, So As To Achieve The Purpose Of Controlling And Adjusting Output.

The Fixed Throttle Valve Changes The Size Of The Flow Passage Section By Replacing The Throttle Nozzles With Different Apertures To Achieve Flow Control.

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Wellhead Adjustable Throttle Valve , The Fixed Throttle Valve

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Wellhead Adjustable Throttle Valve , The Fixed Throttle Valve