RE: check valve

From: <ARIF>
Date: Wed Oct 29 2003 - 06:24:00 EST

What r the reasons you r changing the type of valve? Wafer is used because of space limitations.

AJ

-----Original Message-----
From: rajendra bajikar [mailto:rajendrabajikar@yahoo.com] Sent: Wednesday, October 29, 2003 8:40 AM To: <a href="/group/PipingDesign/post?postID=hDx-u4COhk4Bi3PY0_-EC9UxthwQwz6tu5iksthCmAhK_Lnr5Dm_4U8V6d4pNsSNF4q-x7XW92dNKNGkeoYnNOOD">PipingDesign@yahoogroups.com</a> Subject: Re: [PipingDesign] check valve

The Non Return Valve, whatever type you use, is to prevent back flow. You may want to check out the pressure losses between the two, if it is critical in any way. You have not mentioned the reason for this change.

Regards,

"Lakshmi V. Narayana" <LNarayana@safco.net> wrote:

Dear friends,

Instead of wafer type check valve(PTFE lined),PTFE ball type check valve is
being used for oily water service (3"NB) pressure 4KG/cm2 temp 44C . is there any negative impact in doing so. can anybody throw some light on this
.

Regards
LAKSHMINARAYAN
MECHANICAL ENGINEER
SAFCO

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Information presented on this list is given as helpful advice, nonsense, carefully-considered calulation or any combination of the above. The intent is to spark discussion and encourage knowledge-sharing amongst professionals. If you blow yourself up by doing stuff remotely described by info gleaned from reading this list, you are an idiot.

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<a href="http://docs.yahoo.com/info/terms/">http://docs.yahoo.com/info/terms/</a> Received on Wed Oct 29 06:24:00 2003