Double Ball Rubber Expansion Joint
Datasheet
Download datasheet (PDF)Specifications are indicative. Final specification is confirmed at quotation.
Specifications
Confirmed at quote- Size Range
- DN50 to DN400
- Pressure Class
- PN10, PN16
- End connection
- Flanged · Threaded
- Operating temperature
- -15°C to 115°C
Standards
- Design & manufacture
- ANSI B16.10, BS 5152
Configure your variant(manually adjust box on the right if you require a different spec)
- Size
- Pressure
- End connection
Materials
All available material options per part. Click a pill to set it in the configurator.
- Flange
- Reinforcement
- Rubber Body
- Sphere
Dimensions per size(11 sizes)
| Size | L (mm) | Axial Stretch (mm) | Axial Compression (mm) | Lateral Displacement (mm) | PN16 D (mm) | PN16 D1 (mm) | PN16 n-d1 | PN10 D (mm) | PN10 D1 (mm) | PN10 n-d1 | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DN50 | 165 | 30 | 50 | 45 | 165 | 125 | 4-18 | 165 | 125 | 4-18 | — |
| DN65 | 175 | 30 | 50 | 45 | 185 | 145 | 4-18 | 185 | 145 | 4-18 | — |
| DN80 | 175 | 35 | 50 | 45 | 200 | 160 | 8-18 | 200 | 160 | 8-18 | — |
| DN100 | 225 | 35 | 50 | 40 | 220 | 180 | 8-18 | 220 | 180 | 8-18 | — |
| DN125 | 225 | 35 | 50 | 40 | 250 | 120 | 8-18 | 250 | 210 | 8-18 | — |
| DN150 | 225 | 35 | 50 | 40 | 285 | 240 | 8-23 | 285 | 240 | 8-23 | — |
| DN200 | 325 | 35 | 50 | 40 | 340 | 295 | 12-23 | 340 | 295 | 8-23 | — |
| DN250 | 325 | 35 | 60 | 35 | 405 | 355 | 12-27 | 395 | 350 | 12-23 | — |
| DN300 | 325 | 35 | 60 | 35 | 460 | 410 | 12-27 | 445 | 400 | 12-23 | — |
| DN350 | 325 | 35 | 60 | 40 | 520 | 470 | 16-27 | 505 | 460 | 16-23 | — |
| DN400 | 325 | 35 | 50 | 40 | 580 | 525 | 16-30 | 565 | 515 | 16-27 | — |
Operating media
Typical applications
- HVAC systems
- Wastewater treatment
- Chemical plants
- Pump installations
- Industrial piping systems
- Water networks
Approvals
Features
- Dual-sphere design for axial, lateral, and angular displacement absorption
- Vibration absorption and noise reduction
- Thermal expansion compensation
- Flanged or threaded end connections
- Compatible with a variety of pipeline materials
- Rubber sphere reinforced with synthetic fabric
- Double-sphere flanged rubber expansion joint
- Galvanised / zinc-plated steel flanges
- Central steel retaining ring between the two spheres
- Flanged end connections
Description
A dual-sphere rubber expansion joint designed to absorb vibrations, reduce noise, and compensate for thermal expansion in industrial piping systems and water networks. Constructed from rubber materials (EPDM or NBR) reinforced with synthetic fabric, with carbon steel flanges. Accommodates axial, lateral, and angular displacement and is available in flanged end connections.
Selection notes
This expansion joint is a double ball and rubber pattern, supplied for flanged and threaded installation.
Sizes run DN50 to DN400, in PN10, PN16.
Stated service media include water, wastewater and chemicals.
It is catalogued for Water & Wastewater and HVAC.
Working temperature is -15°C to 115°C.
Built to ANSI B16.10 and BS 5152.
Available pressure classes
Pressure classes this product is rated to.
Used in
Related guides
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Searches our product catalogue using your spec. Drop a spec sheet or parts list (PDF, Excel, CSV, Word or text, several at once), paste a description or a part number and we'll find the closest matches for each. Anything we can't match goes to your RFQ as a custom enquiry for our team to source.Related Expansion Joints
Expansion JointREF 311Thread End Rubber Expansion Joint
- Type
- Expansion Joint
- Size
- DN15 to DN65
- Pressure
- 1.6
- Body
- —
- Standards
- ANSI B16.10, BS 5152
Adds to your quote request, not a purchase. Refine size, pressure and material before submitting.