Rectangular Bellow
Vallabh Engineers is considered one of the most dependable Rectangular Bellow Manufacturers in Vadodara. We strongly believe that every product reflects the standards that we maintain in our manufacturing unit in terms of both quality and finish. This is the reason that we put more than our 100% efforts into creating these products. We have developed a culture of exceeding the expectations of our clients, and this has helped us in gaining their unflinching trust. Our Flanged Rectangular Bellow is reflective of all these qualities. We assure you that once you put your trust in us, you will never be disappointed.
Technical Performance Profile:
|
Parameter |
Specification |
|
Product Type |
Rectangular Bellow |
|
Design Standard |
EJMA Latest Edition |
|
Size Range |
Custom as per duct dimensions |
|
Pressure Rating |
Vacuum to 10 Bar |
|
Temperature
Range |
Up to 700°C* |
|
Material |
SS304 / SS316 /
SS316L / SS321 |
|
Construction |
Single Ply / Multi
Ply Welded |
|
End Connection |
Flanged / Weld End |
|
Cross Section |
Rectangular /
Square |
|
Movement Type |
Axial / Lateral /
Angular |
|
Testing |
Hydro Test, DPT,
Visual Inspection |
Materials of Fabrication:
|
Component |
Material |
|
Bellows Element |
SS304 / SS316 /
SS316L / SS321 |
|
Corner Sections |
SS304 / SS316 |
|
End Flanges |
Carbon Steel /
Stainless Steel |
|
Stiffener Rings |
Carbon Steel /
Stainless Steel |
|
Flow Liner
(Optional) |
SS304 / SS316 |
What Makes Rectangular Bellows Effective:
● Rectangular and square ducting cross sections.
● Takes up significant axial movement on rectangular ducting runs.
● Accommodates lateral deflection and angular rotation of the duct run.
● Isolates vibration from fans, blowers, and associated equipment.
● Heavy-duty welded construction designed for constant thermal cycling and long life.
● Precision fabricating of corner sections ensures dimensional accuracy.
● Fully flanged end connections.
● Single and multiple ply construction for high-pressure requirements.
● Stainless steel material to combat corrosion for long life.
● Custom dimensions in all sizes to meet any duct size needed.
● Simple installation with no changes required to the existing duct run or flow direction.
Where Rectangular Bellows Are Used
1. Power Plant Flue Gas Ducting
2. Cement Plant Exhaust Systems
3. Steel Plant Hot Gas Ducts
4. Industrial Ventilation and Air Handling Systems
5. Boiler Outlet Ducting
6. Chimney and Stack Connections
7. Dust Collection Systems
8. Thermal Power Station Ducting
9. Industrial Furnace Exhaust Lines
10. HVAC Systems with Rectangular Ductwork
11. Chemical Plant Gas Handling Systems
Our Approach to Quality
All Rectangular Bellows are subjected to an extensive, multistage inspection routine before they can be approved for shipment, a level of scrutiny that has established us among Rectangular Bellows Suppliers in India. An accurate inspection is done on all four dimensions of the rectangular shape, corner radii, flange bolt hole patterns and the face-to-face dimension, making sure all dimensions comply precisely with specifications. All weld joints, including the most highly stressed areas of a rectangular bellow, which are all corner seam welds, are dye penetrant tested to ensure no surface defects are present. An overall visual inspection is done on the entire assembly for surface finish, uniform ply lay and flange flatness. All production adheres strictly to EJMA standards and individual customer specifications so that the product can be put to work on day one with no doubt of its function.
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