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bipints
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Join Date: Apr 2014
Posts: 1

Relief Hole

04/28/2014 12:35 PM

What is the use of relief hole in PTFE seat plug valve ?
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Pathfinder Tags: hole plug valve relief relief valve
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lyn
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#1

Re: Relief Hole

04/28/2014 12:41 PM

It allows flushing of the lower cavity.
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bigg
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#2

Re: Relief Hole

04/28/2014 12:43 PM

Probably to prevent trapping liquid in the plug, between the seats, when the valve is closed. Thereby preventing a dangerous build-up of pressure in that area if the valve heats up while closed.
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PWSlack
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#3
In reply to #2

Re: Relief Hole

04/28/2014 3:28 PM

Probably Certainly

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lyn
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#4

Re: Relief Hole

04/28/2014 5:18 PM

It allows flushing of the lower cavity, to prevent trapping liquid in the plug.

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