Ductile Iron Flange Concentric Reducing Rubber Joint with 4-Way Movement - DN25×32 to DN600×400 Size Range
Price:
Price Negotiable
MOQ:
1 set
Delivery Time:
After payment 15-30 working days
Brand:
liwei
Product Description
Product Overview
Concentric reducing rubber joint, also known as concentric large and small head rubber soft joint or rubber reducing joint, is a specialized pipeline connection component designed to connect pipes or equipment with different diameters. Manufactured from high-quality rubber materials, this joint offers excellent elasticity, wear resistance, aging resistance, and tear resistance, making it suitable for various complex working environments and medium conditions.
Structural Characteristics
Multi-Layer Construction
The joint features a three-layer structure:
- Inner Rubber Layer: Direct contact with medium, providing corrosion resistance and sealing
- Reinforcing Layer: Cord fabric or steel wire reinforcement for strength and stability
- Outer Rubber Layer: Protects internal structure and enhances wear resistance
The concentric design ensures both connecting surfaces align with the pipeline axis, preventing leakage or damage from eccentricity.
Applications
This concentric reducing rubber joint is widely used in industrial applications including:
- Chemical plants and petrochemical facilities
- Oil and gas refineries
- Power generation plants
- Plumbing and heating systems
- Pipeline systems requiring diameter reduction
Technical Parameters
| DNmax×DNmin (mm) | Length (mm) | Axial Displacement (mm) | Horizontal Movement (mm) | Deflection Angle (a1+a₂) |
|---|---|---|---|---|
| 32×25 | 115 | 20/30 | 45 | 35° |
| 40×25 | 115 | 20/30 | 45 | 35° |
| 50×32 | 180 | 20/30 | 45 | 35° |
| 100×80 | 180 | 22/30 | 40 | 35° |
| 500×400 | 240 | 28/38 | 35 | 26° |
• Special sizes and lengths available for custom requirements
Material Specifications
| Part | Available Materials |
|---|---|
| Body | NR, CR, IIR, NBR, FKM, EPDM |
| Inner & Outer Rubber | NR, CR, IIR, NBR, FKM, EPDM, PTFE |
| Body Carcass | Nylon cord fabric |
| Reinforcing Ring | Multi-strand coppering steel wire |
| Flange | Cast/forged carbon steel (Q235), Stainless steel (201,304,316,321), Plastic (CPVC, PVDF, PPH, UPVC, RPP) |
Support and Services
Our concentric reducing rubber joint provides flexible connections between pipes of different diameters with excellent vibration and noise reduction. Technical support is available for installation, maintenance, and troubleshooting. Services include on-site inspections, product testing, and customized solutions.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Henan Liwei Industry Co., Ltd.
Location
179 Zhongxin Road, Zhengzhou, Henan，China
Contact Person
Carey Liu