Author Topic: stainless tubing for injector lines  (Read 2347 times)

Offline gordon

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stainless tubing for injector lines
« on: April 28, 2017, 09:17:56 PM »
What wall thickness should be used for making my injector lines? I was going to order some long lengths of seamless tubing and saw that it is available in several wall thicknesses but wasn't sure which one would be best for this application.

dreracecar

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Re: stainless tubing for injector lines
« Reply #1 on: April 29, 2017, 08:28:44 AM »
.028 if thats available in seamless annealed.   takes a special tool to flare it correctly.

Offline gordon

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Re: stainless tubing for injector lines
« Reply #2 on: April 30, 2017, 07:45:53 AM »
So far I have found some 304 3/16" tubing with .020" and .028" wall thickness in 6' lengths that is seamless and annealed from Mc MasterCarr and also MSC supply. I will compare pricing and shipping. I need to be sure I still have a 37* flaring tool as I haven't used it in awhile.

Offline ricardo1967

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Re: stainless tubing for injector lines
« Reply #3 on: April 30, 2017, 08:23:01 AM »
Hey Gordon,
This is something I considering doing in a long time. Please share pictures.
Thank you.

dreracecar

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Re: stainless tubing for injector lines
« Reply #4 on: April 30, 2017, 09:39:55 AM »
I measured and old Enderle line and it was .028.
 While SS lines look cool, the rubber lines have better flow numbers

Offline ricardo1967

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Re: stainless tubing for injector lines
« Reply #5 on: April 30, 2017, 09:49:37 AM »
Thanks Bruce. Any recommendations for bending and flaring tools?

dreracecar

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Re: stainless tubing for injector lines
« Reply #6 on: May 01, 2017, 08:31:10 AM »
 A tight radius bender from RIDGID and then modify it so that you can start the bend soon after the nut and collar.
 I have an Imperial/Eastman tube flare kit (aircraft) that roll's the flare into the material and the when it backs off it burneses the material. You cannot compress the flare into the material because it work hardens and splits most of the time. That bender is around $300,  There are other benders out the that people say work, never used any of them to give an opinion on how well

Offline ricardo1967

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Re: stainless tubing for injector lines
« Reply #7 on: May 01, 2017, 09:19:56 AM »
A tight radius bender from RIDGID and then modify it so that you can start the bend soon after the nut and collar.
 I have an Imperial/Eastman tube flare kit (aircraft) that roll's the flare into the material and the when it backs off it burneses the material. You cannot compress the flare into the material because it work hardens and splits most of the time. That bender is around $300,  There are other benders out the that people say work, never used any of them to give an opinion on how well
Thanks as always Bruce, I greatly appreciate your contributions to this forum.

Offline wideopen231

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Re: stainless tubing for injector lines
« Reply #8 on: May 01, 2017, 02:57:17 PM »
I bought a rigid flare tool .Not cheap but well worth the 110.00
Relecting obama is like shooting right foot because it did not hurt enough when you shot left foot