Pull out test or Heat Exchangers
Pull out test or Heat Exchangers
(OP)
We are planning to perform Pull out test on Tube to tube sheet mock up.
customer specs does not specify the number to tubes and at what location to be tested. Can any one help me.
Regards
Merzi
customer specs does not specify the number to tubes and at what location to be tested. Can any one help me.
Regards
Merzi





RE: Pull out test or Heat Exchangers
Is this new construction? If so it is easy to match materials.
If it is a retube then you must be careful to match the properties of the tubes sheet. Then you have to roll in 'original' tubes, and pull them out. Then roll in your re-tube and test.
Of course you actuall are testing push-out strength. The test setup is so much easier.
= = = = = = = = = = = = = = = = = = = =
Corrosion, every where, all the time.
Manage it or it will manage you.
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: Pull out test or Heat Exchangers
What you are attempting to do is to assure a minimum tube wall reduction is met to avoid failure of the tube or leakage of the roll joint in service. Depending on your application, I have seen typical tube wall reductions of 8-12% for stainless and carbon steel tubing.
RE: Pull out test or Heat Exchangers