Heat Exchanger Heads
Printed From: CAD Forum
Category: EN
Forum Name: AutoCAD
Forum Description: Discussion about AutoCAD and AutoCAD LT, viewers, DWG and DWF formats, Design Review, AutoCAD 360, add-ons
URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=3303
Printed Date: 16.May.2026 at 23:35
Topic: Heat Exchanger Heads
Posted By: Castor63
Subject: Heat Exchanger Heads
Date Posted: 06.Mar.2010 at 16:24
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The following is the data I have been given for the head of a Heat Exchanger but the problem I have is, I am not seeing a knuckle radius. This is being done in 3D
40" ID x 1/2"PL NOM 2:1 SE W/2" SF SA-516 GR70 Can anyone help me make this head please? The other end of the Heat exchanger is: 16" OD (.375") NOM. STD Wall Weld Cap SA-234 WPB |
Replies:
Posted By: Tankman
Date Posted: 07.Mar.2010 at 12:59
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I know what a heat exchanger is but, I think you need a bit more information to design/draw this one.
Can the requester give you a simple sketch?  ------------- Tankman "When the well's dry, we'll all know the value of water." |
Posted By: Castor63
Date Posted: 07.Mar.2010 at 17:14
| I do have a drawing but all I dont have is the radius of the knuckle to put the arc in. I thought there may have been something in the details I listed that I was not understanding or something. I am thinking that the arc should just be proportionate to the other dimensions maybe |
Posted By: Tankman
Date Posted: 07.Mar.2010 at 22:06
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Knuckle radius of any fabricated steel project, needs to be at least the thickness of the material.
A knuckle radius for 3/8" thick material should be minimum 3/8".
Am I missin' the point?  ------------- Tankman "When the well's dry, we'll all know the value of water." |
Posted By: ilovecad
Date Posted: 09.Mar.2010 at 16:04
| AutoCAD makes a help button for a reason! |
Posted By: tulip3D
Date Posted: 09.Mar.2010 at 16:55
| Boy, this ilovecad noob gotta solution for everything! |
Posted By: Castor63
Date Posted: 10.Mar.2010 at 00:03
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ilovecad wrote:Posted By: ilovecad
Date Posted: 10.Mar.2010 at 15:35
| correct me if I'm wrong pal, but I usually use the help button when I need help. I don't know about you, just a suggestion! And about 8 more posts and I'm a groupie, so I don't appreciate being called a noob! Thanks |
Posted By: tulip3D
Date Posted: 10.Mar.2010 at 15:40
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If thats the case, and help solves everything, then why post? And what sir, would you like to be called?Novice? Tenderfoot? Greenhorn? Neophyte?
 |
Posted By: KobusErasmus
Date Posted: 11.Apr.2010 at 20:49
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The standards we use give knuckle radius as 0.1 x main diameter. If you look up the standards for designing concave end caps for vessels & heat exchangers they all work on that.
Hope it helps.
Kobus ------------- Kobus Erasmus Piping design draughting Contract draughting |