Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
JINGNING Specialized In Rubber Expansion Joints
Add to Cart
Metal Bellows Expansion Joint for pipeline
The product can be used to eliminate the thermal expansion or displacement of pipelines, containers or equipment caused by climate change or other reasons. It can be installed at the inlet and outlet or at both ends of other high-frequency mechanical pumps to reduce or eliminate vibration and improve the service life and sealing performance of pipelines. It has the characteristics of reliable operation, compact structure, strong compensation ability, corrosion resistance to various media, long service life and so on.
Performance of metal bellows expansion joint
1. Corrosion resistance
2. High and low temperature resistance (- 196 ℃ to 420 ℃)
3. Light weight
4. Small volume
Technique Parameter of metal bellows expansion joint
| Diameter (mm)
| Pressure grade | Available Area of Bellows (c㎡)
| Max Size of External Diameter
| Length | |||
| 1.0 | 1.6 | 2.5 | Flange | Tube | |||
| 32 | 20/26 | 18/63 | 15/98 | 16 | 225 | 160/250 | 264/280 |
| 40 | 20/24 | 18/89 | 15/98 | 23 | 244 | 164/259 | 269/289 |
| 50 | 20/70 | 18/70 | 15/106 | 37 | 259 | 172/276 | 282/306 |
| 65 | 26/44 | 22/55 | 15/138 | 55 | 270 | 215/294 | 300/322 |
| 80 | 34/33 | 28/41 | 19/68 | 81 | 284 | 240/338 | 344/366 |
| 100 | 40/75 | 35/93 | 25/54 | 121 | 304 | 235/317 | 323/345 |
| 125 | 38/59 | 34/74 | 29/117 | 180 | 334 | 282/314 | 316/342 |
| 150 | 40/62 | 34/78 | 29/92 | 257 | 364 | 282/339 | 338/367 |
| 200 | 59/52 | 53/58 | 46/65 | 479 | 442 | 340/402 | 402/426 |
| 250 | 87/35 | 79/39 | 48/78 | 769 | 507 | 393/459 | 493/399 |
| 300 | 87/37 | 79/41 | 71/47 | 1105 | 562 | 464/525 | 564/565 |
| 350 | 87/44 | 79/48 | 71/45 | 1307 | 622 | 509/564 | 609/604 |
| 400 | 87/43 | 79/47 | 71/47 | 1611 | 562 | 522/566 | 622/628 |
| 450 | 87/37 | 79/41 | 47/75 | 1972 | 700 | 403/498 | 503/523 |
| 500 | 87/68 | 79/75 | 71/45 | 2445 | 760 | 431/523 | 531/554 |
| 600 | 87/85 | 79/94 | 71/82 | 3534 | 835 | 478/548 | 578/588 |
| 700 | 87/77 | 79/85 | 71/103 | 4717 | 1110 | 490 | 590 |
| 800 | 102/102 | 94/112 | 71/95 | 5822 | 1265 | 502 | 602 |
| 900 | 102/97 | 94/107 | 80/123 | 7620 | 1186 | / | 698 |
| 1000 | 102/105 | 94/106 | 82/117 | 9043 | 1286 | / | 692 |
Production process of metal bellows expansion joint
Do you know how is a high quality metal bellows expansion joint made?Let's see with JINGNING.
Flexible expansion joints can be processed into different types according to different needs
◆ bellows body: stainless steel 304, 316L.
◆ bellows flange material: Q235 carbon steel, 304, 316L stainless steel.
Jingning has more than 17 years of design experience in manufacturing flexible expansion joints, rubber expansion joints, metal bellows joints, disassembly joints, pipes and other industrial pipe fittings. Flexible expansion joints comply with GB, ISO, DIN, ANSI, BS, JIS and other international standards and special requirements of customers.
Metal bellows expansion joint advantages
1. Metal braided hose is ex factory price
2.17 years of manufacturing experience, 5 years of export experience
3. The metal bellows compensator has strict quality inspection, and the quality far exceeds the industry standard.
4. Various specifications of metal braided hose mould support customization and OEM
5. Provide free samples of metal braided hose.
6. The inventory of metal braided hose is large.
Metal bellows expansion joint application
Because of its flexibility, flexible expansion joint can compensate the temperature difference deformation or other deformation between equipment and pipeline, prevent vibration, reduce the thrust of pipeline on equipment, and adapt to the uneven settlement of oil tank foundation. The bellows expansion can be widely used in chemical industry, oil refining, electric power, light industry, atomic energy, metallurgy, machinery, instrument, ship, aerospace and other departments. With the wide application of power pipeline and heat pipeline in industry and civil field, the requirement of bellows expansion is higher and higher.
