Double ball rubber expansion joint
Debug · supplier source (internal only)
Specifications
Confirmed at quote- Size Range
- DN50-DN400
- Pressure Class
- PN10/PN16
- Standards
- ANSI B16.10, BS5152
- End connection
- Flanged
- Operating temperature
- -15°C to +115°C
Available sizes
Standard DN sizes covered by this product. Confirmed at quote.
Available pressure classes
Pressure classes this product is rated to.
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 | Axial_Stretch | Axial_Compression | Lateral_Displacement | PN16_D | PN16_D1 | PN16_n-d1 | PN10_D | PN10_D1 | PN10_n-d1 | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DN50 | 165 mm | 30 mm | 50 mm | 45 mm | 165 mm | 125 mm | 4-18 mm | 165 mm | 125 mm | 4-18 mm | — |
| DN65 | 175 mm | 30 mm | 50 mm | 45 mm | 185 mm | 145 mm | 4-18 mm | 185 mm | 145 mm | 4-18 mm | — |
| DN80 | 175 mm | 35 mm | 50 mm | 45 mm | 200 mm | 160 mm | 8-18 mm | 200 mm | 160 mm | 8-18 mm | — |
| DN100 | 225 mm | 35 mm | 50 mm | 40 mm | 220 mm | 180 mm | 8-18 mm | 220 mm | 180 mm | 8-18 mm | — |
| DN125 | 225 mm | 35 mm | 50 mm | 40 mm | 250 mm | 120 mm | 8-18 mm | 250 mm | 210 mm | 8-18 mm | — |
| DN150 | 225 mm | 35 mm | 50 mm | 40 mm | 285 mm | 240 mm | 8-23 mm | 285 mm | 240 mm | 8-23 mm | — |
| DN200 | 325 mm | 35 mm | 50 mm | 40 mm | 340 mm | 295 mm | 12-23 mm | 340 mm | 295 mm | 8-23 mm | — |
| DN250 | 325 mm | 35 mm | 60 mm | 35 mm | 405 mm | 355 mm | 12-27 mm | 395 mm | 350 mm | 12-23 mm | — |
| DN300 | 325 mm | 35 mm | 60 mm | 35 mm | 460 mm | 410 mm | 12-27 mm | 445 mm | 400 mm | 12-23 mm | — |
| DN350 | 325 mm | 35 mm | 60 mm | 40 mm | 520 mm | 470 mm | 16-27 mm | 505 mm | 460 mm | 16-23 mm | — |
| DN400 | 325 mm | 35 mm | 50 mm | 40 mm | 580 mm | 525 mm | 16-30 mm | 565 mm | 515 mm | 16-27 mm | — |
Operating media
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
- Bolt holes visible on flanges (8-hole pattern on larger sizes)
- Flanged end connections
Notes
- Products hold up to 10 international authoritative certification certificates
- Diagram: Image 5: Sectional and front-view dimensional drawing of a double-sphere flanged rubber expansion joint. Front view (left) shows flange face with bolt-hole circle (n–ød1) and outer flange diameter (øD1). Side cross-section (right) shows overall face-to-face length dimension 'L', body outside diameter 'øD', and two part callouts: part 1 (rubber bellows/body) and part 2 (flange).
Description
Double ball rubber expansion joint Facebook Twitter LinkedIn Double ball rubber expansion joint Send Quality Assurance We have a dedicated quality control team and advanced testing equipment to ensure consistent product quality. Timely Delivery With reliable raw material suppliers and streamlined production processes, we guarantee on-time delivery. Excellent After-Sales Service Our team of valve experts provide impeccable after-sales support Certifications Our products hold up to 10 international authoritative certification certificates, ensuring compliance with global standards. 联系方式 [email protected] +86 18698064661 Description The Double Ball Rubber Expansion Joint is engineered to absorb vibrations, reduce noise, and compensate for thermal expansion in industrial piping systems and wat
Smart find
Searches our product catalogue using your spec. Drop a PDF — or multiple PDFs 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
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- Model
- —
- Size
- DN15-DN65
- Pressure
- 1.6
- Body
- Cast Iron
- Standards
- ANSI B16.10, BS5152
Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.