When Will It Burst? #1 Swagelok Tube Fitting Installation and Copper Tube Burst

When Will It Burst? #1 Swagelok Tube Fitting Installation and Copper Tube Burst


Welcome to another edition of When Will It Burst. A little fun while we learn about fluid systems Hi! I’m Jeff Hopkins with Swagelok Northern California. Let’s take the tubes we installed and burst them. And you will get to guess,
when will it burst? First up, is 3/8 inch copper tubing.
In our previous video, we reviewed the six components involved in a Swagelok Tube Fitting installation, highlighting the importance of you, the
installer. In this video, we will review the three
steps involved in installing a Swagelok Tube Fitting and two of the most common installation errors. Swagelok tube fittings come to you completely assembled, finger-tight, ready for immediate use. Avoid disassembling the tube fittings
prior to installation. The following instructions apply to Swagelok
Tube Fittings from 1/4 inch or 6 millimeters to 1 inch or 25 millimeters Step 1: Fully insert the tube into the
fitting and against the shoulder, rotate the nut to make sure it is finger tight. Step 2: Mark the nut at the 6 o’clock position Step 3: While holding the fitting body steady, tighten the nut one and one-quarter
turns to the 9 o’clock position, and the job is done. That’s all there is to it. Two of the most common installation errors
are Number 1: Not fully inserting the tube into the fitting and making sure it rests
firmly against the shoulder of the fitting body Number 2: Relying on “feel” instead of
the one and one-quarter from finger-tight instructions Following these simple installation instructions will prevent these errors, eliminate the variables involved in an installation by feel, and ensure
sufficient pull-up and a leak tight seal on every installation. For a more detailed explanation on tube
fitting installation watch the Swagelok Tech Tip Video “Tube Fitting Assembly One Inch
And Under” And for a deeper dive into tube fitting
safety and installation attend one of our Tube Fitting Safety Seminars Now let’s play When Will It Burst! And
you can guess at what pressure this tubing will give way… The closest guess will win a prize. Well
maybe a Swagelok pen or something. At 70 degree Fahrenheit, 3/8 inch soft
annealed copper tubing with .035 inch wall thickness has a suggested allowable working
pressure of 1000 psig Using the standard 4:1 safety factor the minimum estimated burst pressure is 4000 psig Now that you have that important information,
you’re ready to play, When will it burst? Please put your best guess in the comment
section below this video, blog, or social media post. And In the next video, we will reveal the actual burst pressure and the winner along with another edition of When Will It Burst.

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