Tie Rod Single Sphere Rubber Expansion Joint EPDM Flange DIN ANSI JIS DN15-DN4000
Product Description:
The Liwei Tie Rod Single Sphere Flexible Rubber Expansion Joint is a restrained pipeline compensator equipped with integrated tie rods (limit rods) that connect both flanges and restrain axial movement. The tie rods prevent pipe pull-out and over-extension, protecting the single sphere rubber body on pump suction and discharge lines. The EPDM / NBR body delivers oil resistance, acid and alkali resistance and corrosion resistance, while absorbing vibration and noise for a quieter, safer pipeline. Combined with multi-standard DIN / ANSI 150 / JIS 10K flanges, the joint keeps the pipeline connection flexible and leak-free.
Features & Advantages:
- Integrated tie rods / limit rods restrain axial extension and prevent pipe pull-out.
- EPDM / NBR body options for oil, water and chemical media.
- Leak-free molded single sphere with precise dimensional tolerance.
- Movement capability: axial, lateral and angular compensation.
- Multi-standard flanges: DIN, ANSI 150 / Class 150, JIS 10K, BS.
- Molded / hand-wound body with galvanized steel wire and nylon cord reinforcement.
Applications:
- Pump suction and discharge lines
- Valve stations and industrial piping
- HVAC and building services
- Water supply, drainage and wastewater
- Chemical and petrochemical pipelines
Technical Parameters:
| Product Type | Tie Rod / Restrained Single Sphere Rubber Expansion Joint |
| Body Material | EPDM / NBR / Neoprene (CR) |
| Tie Rod / Limit Rod | Integrated tie rods with nuts (restrained type) |
| Flange Material | Carbon Steel / Hot-Dip Galvanized / SS304 / SS316 |
| Flange Standard | DIN / ANSI 150 / JIS 10K / BS |
| Nominal Diameter | DN15 - DN4000 |
| Movement Capability | Axial / Lateral / Angular (±15°) |
| Certification | ISO9001, CE, third-party testing supported |
Support and Services:
- Delivery inspection (pressure test, specification test, material, quantity, packing).
- A 12-month quality warranty is provided, support third-party testing.
- Free solutions and drawings can be provided.
- 24h online service, quick response before and after sales.
- Support online factory inspection and free samples.
FAQ:
Q1: What is the tie rod for?
A1: The tie rods (limit rods) restrain axial extension across the joint and prevent pipe pull-out, especially on pump and valve lines.
Q2: What sizes and flanges are available?
A2: Sizes from DN15 to DN4000, with DIN / ANSI / JIS multi-standard flanges.
Q3: What is the MOQ and packaging?
A3: The minimum order quantity is 1 set, packed with an inner plastic film and an outer wooden case; a steel frame is used for multi-piece packing.
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