Re: [PipingDesign] Venting on Pipeline

From: <bbullough@foth.com>
Date: Fri Aug 24 2007 - 11:36:00 EDT

Tompeter:

Very difficult to give any specific guidance with no specific details. The approach will be different depending on the conditions and potential hazards of the system. Is there a hazardous chemical involved? what is the hazard (explosive, reactive, corrosive. etc.)? what is the temperature? is the fluid being piped compressible or incompressible (with just a little non-condensible that can accumulate)? What is the cause or source of the surge (starting up a pump, a chemical reaction, openig a valve, etc.)? How much (relative to the total flow) needs to be vented? are there any permit limits to venting?

One can always use a pressure relief valve, but the type, size, materials, means of vent, etc. are impacted by all of the above, as well.

A general, undefined question almost always gets a general, undefined answer.

... Bruce D. Bullough ...
Lead Process Engineer
Foth Production Systems, LLC
8550 Hudson Boulevard North, Suite 100
Lake Elmo, MN 55042
Direct: +651-288-8598 Fax: +651-288-8551 http://www.foth.com

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Emmanuel Tompeter <tompeteremman@yahoo.com> Sent by: PipingDesign@yahoogroups.com
08/24/2007 07:20 AM
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[PipingDesign] Venting on Pipeline

Dear Senior Friends,

please help me out.

How do i design a pipeline with adequate venting to prevent pressure surge?

Thanks,

Best regards,

Tompeter.



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