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sachin_rastogi_in
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Piping Material-valve

10/13/2008 5:08 AM

In Pressure connections (piping) , there are valves but in thermowell & flowmeter connections there is no valve.why?

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PWSlack
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#1

Re: Piping Material-valve

10/13/2008 8:59 AM

Thermowells and flowmeters don't have delicate little diaphragms which, when burst, require isolation in order to change the instrument safely. Pressure gauges do.

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PennPiper
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Engineering Fields - Piping Design Engineering - Retired Piper

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Location: Bayonet Point, Florida
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#2

Re: Piping Material-valve

10/13/2008 10:09 AM

Thermowells provide a place to insert a temperature sensing instrument such as a "stick" thermometer, a Temperature Gage, a Temperature Transmitter or nothing at all.
Go look at http://www.temperatures.com/twells.html and you may understand it a little more.

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