[플랜트교육] Steam Tracing Tube Fitting 잠김 원리 (Front Ferrule, Back Ferrule)

Benefits Summary: Swagelok Tube Fittings with Advanced Geometry Back Ferrule

The Swagelok two-ferrule tube fitting offers predictable, leaktight
performance up to the burst pressure of AISI 316 and
304 stainless steel tubing. A summary of its benefits include:
■ Wider Target for Proper Installation: The engineered
hinging action of the advanced geometry back ferrule delivers
energy to not only seal the front ferrule, but also to deliver
greater swaging action throughout the pull-up process. As a
result, this fitting reduces the potential for improper installation
and system leakage, even in cases where the fitting was
less than properly tightened.
■ Enhanced Gas Seal: The back ferrule hinge delivers steady
force to seal the front ferrule consistently on a wide range
of tubing. Because the advanced geometry back ferrule can
hinge and absorb more energy than a conventional hardened
back ferrule, this design reduces the potential for overdriving
the front ferrule, thereby ensuring reliable operation and gas
seal for repeated remakes.
■ Vibration Fatigue Resistance: The engineered back-ferrule
hinging action delivers a more consistent radial colleting
action to give improved support to the tube behind the point
of grip. This colleting protects the swaged area of the tube
more effectively from system vibration and fatigue.
■ Greater Margin of Performance on Commercial Tubing:
Textbook calculations, such as Lame’s formula for determining
minimum rupture pressure of a tube, use the minimum
allowable ultimate tensile strength, minimum allowable wall
thickness, and maximum allowable outer diameter for tube
burst calculations—as they should. However, these calculations
offer a conservative estimate of the tube’s pressure-containing ability. In reality, stainless steel tubing manufacturers do
not always run their processes for the minimum required
material strength values cited by ASTM and other standards
for determining the rupture pressure of a tube. The result
is stronger, harder tubing with burst pressures often significantly
higher than what occurs under least case conditions.
The Swagelok tube fitting is robust enough to grip and
exceed the burst pressure of these stronger, available
tubing materials. In addition, the uniformly surface-hardened
design of the advanced geometry back ferrule offers high
corrosion resistance.
■ Compatibility with Original Design Swagelok Tube
Fittings: The patented Swagelok fitting pulls up using the
same one-and-one-quarter-turn procedure as the originaldesign
of the Swagelok tube fitting. In addition, the Swagelok
fitting with advanced geometry back ferrule uses the same
installation inspection gauges as before. However, what
every installer will notice is a more consistent feel, from a
more consistent range of torque on every pull-up to an even
more consistent, leak-free connection.
■ Applicability to New Alloys: The Swagelok tube fitting
demonstrates it is practical to develop an easy-to-install,
high-performance tube fitting that can be built using nonstandard
alloys, such as super duplex steel, despite their
increased strength and advanced mechanical properties.

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Lok Fitting(Tube Fitting)

Lok Fitting(Tube Fitting)
MYOUNG IN KOREA
http://www.myoung119.com
배관자재,설비자재,산업자재,건축자재

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E-mail: kyy0982@gmail.com
Mobile:82-10-4057-5433
Tel : 82-31-366-5433 / 82-2-893-5433
Fax : 82-31-366-5435 / 82-2-893-5435
Matt Politzer : I don't speak Korean, however the video has best graphic explanation of how to assemble Lok type fittings for stainless steel line unions. Thank you very much. I'm a visual learner.
수수깡 : 페럴는 1 1/4 바퀴 돌리면되고
바디 체결할땬 얼마정도 돌려야 되나요??
1/2 ,3/4 1인치등 사이즈 관계없이 바퀴수는 동일허게 채우면 채결되는건가요?
Wonhyuk Shon : 잘 보고 배워갑니다
maqsood ahmad : good morning Sir
I'm working on a project with a water
Mist system working so And I want you to tell me about the instrument from the Details About how to elbow
And how to install tee and male connector and female connector
This is my first time experience
I am mine that you will tell me in detail In water mist system
How does this system work
And what actors are involved in it
I hope you tell me please
kumaresan kanagaraja : How torque is calculation instead of 1 quater turn????

Rynglok Axial Swage Tube Fitting System

Instructions video

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