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Whistling Sound From Control Valve

control valve lng heat exchanger abnormal sound

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#1 akashlovey

akashlovey

    Junior Member

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  • 19 posts

Posted 01 October 2017 - 10:51 AM

Scenario :We have a LNG regasification facility and we use Shell and Tube Heat exchanger , a high pressure LNG pump pumps liquid to Heat Exchanger and gas is send to Piped network. 

 

Problem Facing : recently from past few months , few ( 2 out of 14 ) LNG Heat exchangers inlet control valve creating whistling sound which can e heard from 10 m distance which reduces if flow gets reduces and increases when flow increases.

 

We want to troubleshoot this problem but couldn't do much .

 

HP pump discharge pressure : 97 barg

heat exchanger outlet (Natural gas) pressure : 84 barg

Control valve : Globe max allowable pressure 130barg , packing type V-ring; spring type 

Actuator type : spring and diaphragm

 

Imax valve opening limits to 70% as it gives max flow at that % 



#2 Bobby Strain

Bobby Strain

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Posted 02 October 2017 - 09:03 PM

You should talk to the valve supplier.

 

Bobby






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