SS316 Metal Expansion Joint with Thermal Expansion Compensation and Axial Movement for Industrial Applications
As a professional expansion bellows manufacturer, we supply SS316 metal expansion joints designed to handle axial movement, vibration, and thermal expansion in high-pressure pipelines up to 6.0 MPa. Constructed with high-grade stainless steel 316 bellows and equipped with reliable flange connections, this expansion joint delivers excellent corrosion resistance, structural strength, and long-term sealing performance.
Ideal for water treatment, chemical engineering, HVAC systems, and various industrial applications requiring durable and high-efficiency pipeline compensation.
- Good compensation effect
- High temperature resistance
- Metal dust boot reduces leakage
- Vibration resistance and high-speed performance
- Reduced specific pressure of the spring
- Possible torque transmission
- Structural design reduces sealing failure caused by scaling
| Diameter (mm) | Pressure Grade (Mpa) | Available Area of Bellows (c㎡) | Max Size of External Diameter (mm) | Length (mm) |
|---|---|---|---|---|
| 32 | 1.0/1.6/2.5 | 16 | 225 | 160-280 |
| 40 | 1.0/1.6/2.5 | 23 | 244 | 164-289 |
| 50 | 1.0/1.6/2.5 | 37 | 259 | 172-306 |
| 65 | 1.0/1.6/2.5 | 55 | 270 | 215-322 |
| 80 | 1.0/1.6/2.5 | 81 | 284 | 240-366 |
| 100 | 1.0/1.6/2.5 | 121 | 304 | 235-345 |
| 125 | 1.0/1.6/2.5 | 180 | 334 | 282-342 |
| 150 | 1.0/1.6/2.5 | 257 | 364 | 282-367 |
| 200 | 1.0/1.6/2.5 | 479 | 442 | 340-426 |
| 250 | 1.0/1.6/2.5 | 769 | 507 | 393-399 |
| 300 | 1.0/1.6/2.5 | 1105 | 562 | 464-565 |
| 350 | 1.0/1.6/2.5 | 1307 | 622 | 509-604 |
| 400 | 1.0/1.6/2.5 | 1611 | 562 | 522-628 |
| 450 | 1.0/1.6/2.5 | 1972 | 700 | 403-523 |
| 500 | 1.0/1.6/2.5 | 2445 | 760 | 431-554 |
| 600 | 1.0/1.6/2.5 | 3534 | 835 | 478-588 |
| 700 | 1.0/1.6/2.5 | 4717 | 1110 | 490-590 |
| 800 | 1.0/1.6/2.5 | 5822 | 1265 | 502-602 |
| 900 | 1.0/1.6/2.5 | 7620 | 1186 | 698 |
| 1000 | 1.0/1.6/2.5 | 9043 | 1286 | 692 |
Our high-quality expansion bellows manufacturing process ensures superior performance and durability.
Steel bellows compensate for temperature differentials and other deformations between equipment and pipelines, preventing vibration and reducing pipeline thrust on equipment. They adapt to uneven tank foundation settlements and are widely used in:
- Chemical industry
- Oil refining
- Power generation
- Light industry
- Nuclear energy
- Metallurgy
- Machinery
- Instrumentation
- Shipbuilding
- Aerospace
With increasing applications in power and heat pipelines across industrial and civil sectors, demand for high-performance metal compensators continues to grow.
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