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rachidk
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Join Date: Feb 2011
Posts: 1

Check Valve on De-Coupler Line of Chilled Water System

02/14/2011 1:16 PM

Do i need a check valve on de-coupler line?

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PWSlack
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#1

Re: check valve on de-coupler line of chilled water system

02/14/2011 1:18 PM

Only if it is intended to prevent reverse flow in the line.

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pipeit
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#2

Re: Check Valve on De-Coupler Line of Chilled Water System

02/16/2011 3:50 PM

No just need to maintain the critical distance between branches on the primary and secondary systems typically 24" or 3 x the pipe diameter for large bore De-couplers.
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