FLANGES & RUBBER JOINTS
Rubber Expansion Joint
Flexible rubber expansion joint for pump connections and water pipelines, helping absorb vibration, reduce noise and accommodate pipe movement.
- Common nominal sizes
- DN25–DN600
- Common pressure classes
- PN10 / PN16
- Rubber options
- EPDM / NBR / Silicone / CR / IIR
- Flange options
- Carbon steel / Stainless steel
SPECIFICATIONS & MATERIALS
Common sizes & material options
| Item | Common configuration |
|---|---|
| Nominal size (DN) | Common selection: DN25–DN600. |
| Pressure class (PN) | PN10 / PN16, according to joint size, rubber grade and operating temperature. |
| EPDM rubber | Water, cooling-water and HVAC service. |
| NBR rubber | Oil-containing media; select the compound for the specified fluid. |
| Silicone rubber (VMQ) | Special temperature requirements and air service; configuration on request. |
| Chloroprene rubber (CR) | Cooling water, seawater and mildly oily water, subject to compatibility. |
| Butyl rubber (IIR) | Hot-water and selected chemical service; compound compatibility to be confirmed. |
| Reinforcement | Reinforced rubber bellows for flexible pipeline connections. |
| Connecting flanges | Coated or galvanised carbon steel; stainless steel options. |
| Flange drilling | Match the mating PN10 / PN16 flanges and specified connection standard. |
Final size, material and pressure-temperature suitability are confirmed for the selected configuration.
PIPELINE APPLICATIONS
Built around your connection
| Item | Common configuration |
|---|---|
| Pump connections | Help reduce transmission of vibration and operating noise. |
| Pipeline movement | Accommodate specified axial, lateral and angular movement. |
| Order details | Specify DN, PN, medium, temperature, face-to-face length and required movement. |