Expansion Joint Sleeve
Our Expansion Joint Sleeve is a steel Stretch part for big and medium pipes. We use it in city water supply, heat networks, chemical plants, and long pipelines. We have been making pipe parts for over 20 years. This expansion joint sleeve handles high pressure, seals well, and lasts a long time. It keeps long-distance pipes safe. We use high-quality cast steel or carbon steel for the body.
Description
What It Does:A-Steel Telescopic Part for Big Pipes
Our Expansion Joint Sleeve is a steel Stretch part for big and medium pipes. We use it in city water supply, heat networks, chemical plants, and long pipelines. We have been making pipe parts for over 20 years. This expansion joint sleeve handles high pressure, seals well, and lasts a long time. It keeps long-distance pipes safe. We use high-quality cast steel or carbon steel for the body. We do sandblasting, rust prevention, and anti-corrosion coating. The seals use high-performance fluororubber or silicone rubber.


Real Data You Can See
This thing works from -20℃ to 300℃. It handles pressures from PN6 to PN40. Each expansion joint sleeve gets a water test and air tightness test at 1.5 times the design pressure. The axial movement take-up is from 30mm to 300mm. It takes in axial heat expansion movement. It helps with settling and vibration. It stops pipes from breaking, flanges from loosening, and equipment from damage. The multi-seal design gives you long-term leak-free operation. The steel body is strong and impact-resistant. It handles high pressure and weather well. Our standard sizes cover DN50 to DN1200 and are in stock. We give a 24-month warranty.
Key Parameters
|
Parameter |
Value |
|
Body Material |
Cast Steel / Carbon Steel |
|
Seal Material |
Fluororubber / Silicone Rubber |
|
Standards |
GB/T 12465-2017, ASME B31.3, CE, ROHS |
|
Work Temperature |
-20℃ to 300℃ |
|
Pressure Rating |
PN6 to PN40 |
|
Axial Movement |
30mm to 300mm |


How to Order and Customize
Every pipe has different movement needs. So you can adjust this expansion joint sleeve to your needs. Tell us your pressure, movement, connection type, and corrosion protection level. Minimum order is 10 pieces. We give free samples. Custom samples take about 15 to 20 days. We take USD, EUR, GBP, and RMB. We offer a 24-month warranty.






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