Liwei Concentric Reducing Rubber Joint DN15-DN4000 with 35° Deflection Angle for Industrial Pipe Systems
High-performance concentric reducing rubber joint designed to connect pipes of different diameters from DN15 to DN4000. Features multiple rubber material options (NR, EPDM, NBR, FKM), steel reinforcement, and customizable flange materials. Certified with ISO9001, TUV, WRAS for chemical, construction, water supply, and industrial applications.
The Liwei Concentric Reducing Rubber Joint is a high-performance pipe connector engineered to seamlessly connect pipes of different diameters in industrial piping systems. This essential component enables smooth transitions between pipe sizes, controlling flow rates and reducing turbulent fluid delivery to maintain system integrity.
| No | Name | Material |
|---|---|---|
| 1 | Outer/Inner Rubber | NR, EPDM, NBR, FKM, Neoprene etc. |
| 2 | Frame | Nylon Cord Fabric |
| 3 | Pressurized Ring | Steel Wire Strand |
| 4 | Flange | Carbon Steel Galvanized, Paint Ductile Iron, Stainless Steel etc. |
Inner and outer rubber, nylon cord fabric, steel wire and flange
NR, NBR, SBR, EPDM, FKM, etc. (Customized to your requirements)
SS304, SS316, Carbon Steel, Ductile Iron, etc. (Customized to your requirements)
DN15 to DN4000
- Customizable length
- Customizable flange color
- Flange standards: DIN, BS, ANSI, JIS, ISO, etc.
| DNmax×DNmin (mm) | Length (mm) | Axial Displacement Extension (mm) | Axial Displacement Compression (mm) | Horizontal Movement (mm) | Deflection Angle (a1+a₂) |
|---|---|---|---|---|---|
| 32×25 | 115 | 20 | 30 | 45 | 35° |
| 40×25 | 115 | 20 | 30 | 45 | 35° |
| 40×32 | 115 | 20 | 30 | 45 | 35° |
| 50×32 | 180 | 20 | 30 | 45 | 35° |
| 50×40 | 180 | 20 | 30 | 45 | 35° |
| 65×32 | 180 | 20 | 30 | 45 | 35° |
| 65×50 | 180 | 20 | 30 | 45 | 35° |
| 80×40 | 180 | 20 | 30 | 45 | 35° |
| 80×65 | 180 | 20 | 30 | 45 | 35° |
| 100×40 | 180 | 22 | 30 | 40 | 35° |
| 100×80 | 180 | 22 | 30 | 40 | 35° |
| 125×5 | 180 | 22 | 30 | 40 | 35° |
| 125×100 | 200 | 22 | 30 | 40 | 35° |
| 150×50 | 200 | 22 | 30 | 40 | 35° |
| 150×125 | 200 | 25 | 35 | 40 | 30° |
| 200×80 | 200 | 25 | 35 | 40 | 30° |
| 200×150 | 200 | 25 | 35 | 40 | 30° |
| 250×100 | 220 | 25 | 35 | 40 | 30° |
| 300×250 | 220 | 25 | 35 | 40 | 30° |
| 350×300 | 240 | 25 | 35 | 35 | 30° |
| 400×350 | 240 | 25 | 38 | 35 | 30° |
| 500×300 | 240 | 28 | 38 | 35 | 26° |
| 500×400 | 240 | 28 | 38 | 35 | 26° |
| 600×400 | 240 | 28 | 38 | 35 | 26° |
• Special sizes and lengths available upon request
Due to superior integrated performance, these rubber joints are widely used across multiple industries including:
- Chemical Industry
- Construction
- Water Supply and Drainage Systems
- Oil Industry
- Light and Heavy Industry
- Refrigeration Stations
- Water Heating Systems
- Fire Fighting Systems
- Electric Power Systems
- Securely packaged in robust corrugated cardboard boxes
- Individual bubble wrap and foam padding protection
- Clear shipping labels with fragile item stickers
- Detailed packing slips with product specifications
- Reliable courier service with tracking information
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