RE: Vent line

From: <Ben>
Date: Tue Jul 24 2007 - 01:47:00 EDT

The question was covered last year in much detail. Of note, ASME B31.1, Appendix II, para. II-2.3.1.2 and para. II-7.1.9, indicate the beveled end of the vent pipe causes the jet to produce lower vertical and horizontal forces than with a square cut. With bevel angle measured off the pipe axis: The axial force component is reduced by a factor of cos(1/2 the bevel angle), and the lateral force is reduced by a factor of sin(1/2 the bevel angle). These give approximate results.

Ben

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From: PipingDesign@yahoogroups.com [mailto:PipingDesign@yahoogroups.com] On Behalf Of elie altawil
Sent: Monday, July 23, 2007 11:14 PM
To: PipingDesign@yahoogroups.com
Subject: Re: [PipingDesign] Vent line

The Look.

richard_sr_piping_designer <richard@devcs. <mailto:richard%40devcs.com> com> wrote: what is logic/function behind 45 deg cut on vent pipe end or elbow ?

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Received on Tue Jul 24 01:47:00 2007