Axial Metal Expansion Joint
Our Axial Metal Expansion Joint is a common choice for power plants, oil and gas lines, city gas pipes, and HVAC systems. We have been making these parts for over 20 years. This axial metal expansion joint takes in compression and stretch along the pipe. It helps stop pipe stress and protects your whole system. We use 304, 316L, or 321 stainless steel for the bellows. It works well and lasts a long time.
Description
What It Does: A Simple Fix for Pipe Movement
Our Axial Metal Expansion Joint is a common choice for power plants, oil and gas lines, city gas pipes, and HVAC systems. We have been making these parts for over 20 years. This axial metal expansion joint takes in compression and stretch along the pipe. It helps stop pipe stress and protects your whole system. We use 304, 316L, or 321 stainless steel for the bellows. It works well and lasts a long time.


Real Data You Can See
This thing works in temperatures from -20℃ to 550℃. It can handle pressures from PN6 to PN40. Each axial metal expansion joint gets a water pressure test at 1.5 times the design pressure before it leaves us. We also do an air tightness test at 1.1 times. Its fatigue life can go over 10,000 cycles. It takes up little space and is easy to line up during installation. We give a 24-month warranty. We also take third-party checks like SGS or CE.
Key Parameters
|
Parameter |
Value |
|
Bellows Material |
304/316L /321 Stainless Steel |
|
Standards |
ASME B31.3, GB/T 12777-2008, CE |
|
Work Temperature |
-20°Cto 550°C |
|
Pressure Rating |
PN6 to PN40 |
|
Fatigue Life |
Over 10,000 cycles |
|
Test Pressure |
1.5 x Design Pressure |

How to Order and Customize
Every pipe has different media, temperature, and pressure. So you can change this axial metal expansion joint to fit your job. Tell us your pipe size, pressure, and special needs. Minimum order is 10 pieces. We give free samples. Custom samples take about 15 to 20 days. We take USD, EUR, GBP, and RMB. Before you buy, we help you pick the right material. After you buy, we answer your call 24/7. If it breaks within warranty and not by misuse, we send you a new one for free.



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