Bellows Design Bellow Compensator Flexible Expansion Joint For Industrial Pipeline
This bellows-designed compensator is a flexible expansion joint engineered to absorb axial, lateral, and angular movements in industrial pipeline systems. Its precision-formed stainless steel bellows provide excellent flexibility, vibration reduction, and thermal expansion compensation, ensuring stable operation and preventing pipeline deformation or leakage. With durable construction and reliable sealing performance, it is widely used in water treatment, chemical plants, power generation, HVAC, and various industrial applications requiring efficient and long-lasting pipeline protection.
Performance of Bellows Design
The main elastic element of flexible expansion joint is stainless steel bellows. Through the expansion and bending of bellows, the flexible expansion joint compensates the pipeline in axial, transverse and angular directions.
- Absorbs the axial, transverse and angular thermal deformation of the pipeline
- Reduces the influence of equipment vibration on pipeline
- Absorbs the pipeline deformation caused by earthquake and land subsidence
Technical Parameters
| Diameter (mm) |
Pressure grade (Mpa) |
Available Area of Bellows (c㎡) |
Max Size of External Diameter (mm) |
Length (mm) |
| 32 | 20/26 | 18/63 | 15/98 | 16 |
| 40 | 20/24 | 18/89 | 15/98 | 23 |
| 50 | 20/70 | 18/70 | 15/106 | 37 |
| 65 | 26/44 | 22/55 | 15/138 | 55 |
| 80 | 34/33 | 28/41 | 19/68 | 81 |
| 100 | 40/75 | 35/93 | 25/54 | 121 |
| 125 | 38/59 | 34/74 | 29/117 | 180 |
| 150 | 40/62 | 34/78 | 29/92 | 257 |
| 200 | 59/52 | 53/58 | 46/65 | 479 |
| 250 | 87/35 | 79/39 | 48/78 | 769 |
| 300 | 87/37 | 79/41 | 71/47 | 1105 |
| 350 | 87/44 | 79/48 | 71/45 | 1307 |
| 400 | 87/43 | 79/47 | 71/47 | 1611 |
| 450 | 87/37 | 79/41 | 47/75 | 1972 |
| 500 | 87/68 | 79/75 | 71/45 | 2445 |
| 600 | 87/85 | 79/94 | 71/82 | 3534 |
| 700 | 87/77 | 79/85 | 71/103 | 4717 |
| 800 | 102/102 | 94/112 | 71/95 | 5822 |
| 900 | 102/97 | 94/107 | 80/123 | 7620 |
| 1000 | 102/105 | 94/106 | 82/117 | 9043 |
Production Process
Flexible expansion joint can be processed into different types according to different needs:
- Bellows compensator body materials: Stainless Steel 304, 316L
- Bellows flange materials: 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, and other industrial pipe fittings. Our products meet international standards including GB, ISO, DIN, ANSI, BS, JIS and can accommodate special customer requirements.
Product Advantages
- Competitive factory pricing
- 17 years manufacturing experience with 5 years export experience
- Strict quality inspection exceeding industry standards
- Custom specifications and OEM services available
- Free samples available
- Large inventory ready for immediate shipment
Applications
Bellows expansion joints compensate for temperature differential deformation and other pipeline movements, prevent vibration, reduce thrust on equipment, and adapt to uneven settlement. They are widely used in:
- Chemical processing
- Oil refining
- Power generation
- Light industry
- Nuclear applications
- Metallurgy
- Machinery
- Instrumentation
- Marine applications
- Aerospace
Frequently Asked Questions
Can the Bellows Design be marked with customized logo?
Yes, we provide OEM&ODM services including custom logo marking.
What's the face to face length of Bellows Design?
Standard lengths include L130, L152, L203, with custom lengths available upon request.
Can you provide drawings of Bellows Design?
Yes, we provide detailed product drawings upon request.
What certificates can you provide?
We provide CE and ISO certifications for our products.
Can we get a sample?
Yes, we provide samples for quality testing.
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