Bending Stainless Tubing on a Pneumatic Oil & Gas Valve

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LINKS FROM VIDEO:
◆ How to Build a Pressure Reducing Package: • How to Build a Kimray ...
◆ How to Build a Package for Back Pressure: • How to Build a Kimray ...
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TIMESTAMPS:
0:00 Tubing Challenge
0:54 Tube Fittings
1:43 First Example (90°)
2:38 Center Line Radius (CLR)
3:38 Springback
4:10 Cutting & Deburring
5:49 2nd Example
8:47 3rd Example (Offset)
10:18 Offset Calculations
11:04 4th Example
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In this video, we show stainless tube bending for pneumatic devices and some best practices to follow using a high pressure control valve package as an example.
This tube bending 101 will show you some of the bends you’ll need to know how to make as well as review the tube fitting assembly.

[@rahmonesending9321]

Good and wonderful work, thank you professor

[@user-pw7zb5mh6v]

All bends to your left, center to center, also the hand tight and 1/4 turn is only with swagelok fittings, parker fittings as the ones shown need a little more, make sure you use a square on your tube after bending, it has a spring back, so going a 1/16th over your degree will give you the true 90, best practice too is to mark your tube around at the top of the fitting with your tube in to make sure you’re not short ferruling it

[@YoureNotRealBro]

That’s not true. The 1-1/4 turn is not a Swagelok specific function. It is controlled by ASME B1.1 2A and 2B Unified Screw Threads control the travel distance between the bottom of the nut and top of the body hex. After 1-1/4 turns it is consistently 1/16”. The mathematical theory under the standard is 1.25 (pull up theory) divided by unified screw thread of 20TPI (threads per inch) = 0.0625 or 1/16”. Your gap gauge is checking for 1/16” clearance. If it goes, you aren’t tight enough. It is a NO GO gauge that is ASME controlled, which governs tube fittings of all manufacturers.

[@Hamza_Algmaty_1996]

As a beginner instrument technician, that was helpful. Thanks in advance.

[@mraamir7904]

THANK U SIR ❤

[@deepseadeepsea7243]

Good job

[@user-mo5vj7db5u]

يجب عليك أن تقم ب تنقيص الئشاره الي 2سنتيم كي تاخذ اريحيه في البنده

[@joeychoong8427]

Hi, great and informative video on tube bending. Could you tell me what is offset calculation multiplier for 15°, 60° and 75° angle?

[@henryjantz]

Use trig, don't try to memorize constants.

[@joeychoong8427]

thank you for your reply. what is trig?@@henryjantz

[@jfrostjr]

Little late, but it’s 3.86, 1.15, and 1.033.

[@jamescampbell8906]

I would use thread sealant not thread locker. Most of your method is ok, I would never clamp or use pliers to hold the tube. It is one and a quarter turns for 1/4 to 1" for proper engagement of the tube fitting (I would have to look up over 1") and only 3/4 turns for 1/16, 1/8, and 316" tube. I have always tightened the nineties to the desired location and then tubed, you guys must find leaks there often. Oh, and use a back up wrench! There is a mark on the bender in front of the "latch" that indicates the required minimum straight tube required for proper fitting engagement. Get a proper deburring tool

[@AbadonApolion-bo3xy]

Tengo una duda la letra R' que me indica ??

[@mdshayanahmad6838]

Tube ka size kya hota hai

[@gagantiwari903]

❤

[@mdshayanahmad6838]

Tube size

[@mohammadpirzadi6255]

Great!

[@ozzyfranf]

We use locking wrench style vice grips to hold our tubing while cutting. You also need to make sure your stinger is level when getting your measurement. Your tubing is crooked because you didn't level your stinger.

[@Skunkhunt_42]

You got vicegrips made for tubing sizes? I had a pair, impossible to accidently damage tubing. Lost em, can't find new pair to save my life. Bouta make my own

[@oumski6893]

❤😊

[@vmarlowee]

Im so confused with the line he made in that tube I thought you have to line that with the L line. Looks like he was short but after bending it, it looks like he really hits 90 degrees. Im so confused hahaha

[@diazaa]

THREADLOCKER IS NOT THREAD SEALANT.

[@Spyderp99]

There is so much incorrect information in this video. Just goes to show not to believe everything you see on youtube.

[@mikolaistv2465]

Hahahahahahahaha I agree 110% . bout to say the same thing.

[@slowpoke96Z28]

An example or two please?