Henan Liwei Industry Co., Ltd.
                                                                                                           
Verified Supplier
38 Years
Since 1988
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Tools & Hardware Pipe Fittings

Concentric Reducing Rubber Expansion Joints DN25-600 with 35° Deflection Angle and Corrosion Resistance

Price Negotiable
Price: Price Negotiable
MOQ: 1 set
Delivery Time: After payment 15-30 working days
Brand: liwei
Product Description
Product Overview
The Concentric Reducing Rubber Expansion Joint is an essential component for modern piping systems, delivering superior flexibility, durability, and performance. Engineered to connect pipes of varying diameters, this joint provides noise reduction, vacuum resistance, broad pressure rating capability, and excellent corrosion resistance for seamless pipeline operation.
Concentric reducing rubber expansion joint installation in piping system
Applications
Due to its comprehensive performance characteristics, this rubber expansion joint is widely used across multiple industries including:
  • Chemical processing plants
  • Construction and building services
  • Water supply and drainage systems
  • Oil and gas industry
  • Light and heavy industrial applications
  • Refrigeration stations
  • Water heating systems
  • Fire fighting systems
  • Electric power generation facilities
Key Advantages
  • Extensive production experience and technical expertise
  • Efficient logistics coordination and supply chain management
  • High-quality materials and component construction
  • Excellent corrosion resistance for extended service life
  • Superior shock absorption and vibration damping
  • Comprehensive after-sales service support
  • Strong industry reputation for reliability
Close-up view of concentric reducing rubber joint construction details
Technical Specifications
DNmax×DNmin 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 can be customized according to specific project requirements.
Product Construction
Component Material Options Function & Selection Criteria
Outer/Inner Rubber EPDM, NR, NBR, PTFE, BR, CR, BR+CR, FKM, Sylopute Selected based on media compatibility and environmental conditions
Frame Nylon Cord Fabric Density and number of layers determine pressure rating
Pressurized Ring Steel Wire Strand Prevents pressure bearing deformation and pull-out
Flange Stainless Steel, Carbon Steel, Ductile Iron Selected according to application requirements and specifications
Packaging & Shipping
Each Concentric Reducing Rubber Joint is secured in robust corrugated cardboard packaging with protective plastic film wrapping to prevent moisture and dirt contamination. Clear labeling includes product name, size specifications, and handling instructions. Additional cushioning materials prevent movement during transit, while sturdy shipping containers with heavy-duty sealing ensure safe delivery via reliable courier services with tracking capability.
Packaged concentric reducing rubber joints ready for shipping
Frequently Asked Questions
Q1: What is the brand name of the concentric reducing rubber joint?
A1: The brand name is Liwei.
Q2: Can you provide the model numbers available for the concentric reducing rubber joint?
A2: Yes, model numbers range from DN25×32 to DN600×400.
Q3: Where are these concentric reducing rubber joints manufactured?
A3: These joints are manufactured in Henan, China.
Q4: Can you send samples?
A4: Yes, we can provide free samples to all parts of the world.

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

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