Hand-Built Engineered Bellow
FFR Type – Rubber Expansion Bellow
Rubber Expansion Bellow with integral full face rubber flanges. Designed for complete face-to-face sealing across the flange bore, ideal for large pipelines requiring comprehensive sealing and flexibility.
Technical Specifications
- Robust design with integral full face rubber flanges
- Available in EPDM, Neoprene, Butyl, Nitrile, Natural and other elastomers
- Moves in both axial and lateral offset directions
- Single, double, triple arch & filled arch models available
- Special bolt hole drilling available
- Non-standard designs manufactured as required
Size: DN 25 to 3000 mmTemperature: Up to 120°C
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Frequently Asked Questions
Common questions about this product
It is a rubber expansion bellow with integral full-face rubber flanges. It offers a reliable sealing surface across the flange face.
Full-face flanges distribute load evenly during tightening. They also improve sealing and reduce leakage risk.
They are used in fluid handling systems that need leak-resistant connections. These include water, slurry, and chemical lines.
Yes, they can be made with suitable rubber compounds for chemical resistance. Material selection depends on the service condition.
In many cases, separate gaskets are not required. The full-face rubber flange itself acts as the sealing surface.