Liwei Double Sphere Flexible Rubber Joint 6-40 Bar Pressure Range with Multi-Directional Movement for Piping Systems
Price:
Price Negotiable
MOQ:
1 set
Delivery Time:
After payment 15-30 working days
Brand:
liwei
Product Description
Product Overview
Liwei Double Sphere Flexible Rubber Joint delivers exceptional vibration absorption, corrosion resistance, and multi-directional movement capabilities for piping systems. Engineered for commercial, industrial, and residential applications, this expansion coupling ensures reliable performance, reduced maintenance costs, and extended equipment lifespan.
Product Structure & Materials
Rubber Bellows Construction
- Inner Layer: EPDM, NBR, Neoprene, Viton, Butyl, CSM
- Outer Layer: EPDM, NBR, Neoprene, Viton, Butyl, CSM
- Frame Layer: High-strength cord fabric cloth
Metal Components
- Flange/Retaining Ring: Carbon steel (galvanized/coated), Stainless steel
- Control Plate: Carbon steel (galvanized/coated), Stainless steel, 4.8-8.8 grade
- Tie Rods & Nuts: Carbon steel (galvanized/coated), Stainless steel, 4.8-8.8 grade
Technical Specifications
| Diameter (DN) | Length (mm) | Axis Displacement (mm) | Radial Displacement (mm) | Deflexion Displacement |
|---|---|---|---|---|
| 32 | 165 | 30-50 | 45 | ±7.5° |
| 40 | 165 | 30-50 | 45 | ±7.5° |
| 50 | 165 | 30-50 | 45 | ±7.5° |
| 65 | 175 | 30-50 | 45 | ±7.5° |
| 80 | 175 | 30-50 | 45 | ±7.5° |
| 100 | 225 | 35-50 | 45 | ±7.5° |
| 125 | 225 | 35-50 | 45 | ±7.5° |
| 150 | 225 | 35-50 | 45 | ±7.5° |
| 200 | 325 | 35-60 | - | - |
| 250 | 325 | 35-60 | - | - |
| 300 | 325 | 35-60 | - | - |
| 350 | 325 | 35-60 | - | - |
| 400 | 400 | 40-60 | - | - |
| 450 | 400 | 65-70 | 70 | ±12° |
| 500 | 400 | 65-70 | 70 | ±12° |
| 600 | 400 | 70-75 | 75 | ±12° |
| 700 | 400 | 70-75 | 75 | ±12° |
| 800 | 450 | 70-75 | 75 | ±12° |
| 900 | 450 | 70-75 | 75 | ±12° |
| 1000 | 450 | 75-80 | 70 | ±12° |
| 1200 | 500 | 75-80 | 70 | ±10° |
| 1400 | 500 | 75-80 | 70 | ±10° |
| 1600 | 500 | 75-80 | 70 | ±10° |
| 1800 | 500 | 80-85 | 65 | ±10° |
| 2000 | 550 | 80-85 | 65 | ±10° |
| 2200 | 550 | 80-85 | 65 | ±10° |
| 2400 | 550 | 80-85 | 65 | ±10° |
| 2600 | 550 | 80-85 | 65 | ±10° |
| 2800 | 550 | 80-85 | 65 | ±10° |
| 3000 | 550 | 80-85 | 65 | ±10° |
• Custom sizes and lengths available upon request
Applications & Features
Widely used in chemical engineering, construction, water supply, drainage, petroleum, industrial applications, refrigeration, sanitation, heating, fire protection, and electrical systems. Available in acid-resistant, alkali-resistant, corrosion-resistant, oil-resistant, high-temperature, radiation-resistant, wear-resistant, and anti-aging varieties to suit various media and environments.
Multi-Directional Movement
Allows for four-way movement capability to accommodate pipeline expansion and contraction
Vibration & Noise Control
Precision-molded synthetic rubber and nylon cord construction provides excellent vibration and noise absorption
High Pressure Performance
Engineered to withstand working pressures from 6-40 bars (PN6-PN40)
Corrosion Resistance
Multiple rubber material options provide resistance to corrosion, chemicals, and environmental factors
Easy Installation
Floating flange design simplifies installation and maintenance procedures
Operating Conditions
| Parameter | Specification |
|---|---|
| Working Temperature | -15°C to 80°C (extended range: -30°C to 150°C) |
| Working Pressure | 6-40 bars (PN6-PN40) |
| Test Pressure | 1.5 times working pressure |
| Explosion Pressure | 2 times working pressure |
| Applicable Media | Air, water, sewage, sea water, acid, alkali, oil, etc. |
Quality Assurance & Services
- Comprehensive delivery inspection including pressure testing, specification verification, material check, quantity confirmation, and packaging assessment
- 12-month quality guarantee with third-party testing support
- Free technical solutions and engineering drawings provided
- Professional packaging team ensuring secure product protection
- 24-hour online support with quick response for pre-sales and after-sales service
- Online factory inspection support available
- Guaranteed on-time delivery
- Free samples available upon request
Packaging & Shipping
Each Double Sphere Flexible Rubber Joint is securely packaged in robust corrugated cardboard boxes with industrial-grade packing tape. Clear handling instructions ensure product integrity during transit. Shipping includes tracking information, insurance options, and comprehensive documentation in waterproof sleeves.
Frequently Asked Questions
Q: What is the model range for the Liwei Double Sphere Flexible Rubber Joint?
A: Available in comprehensive size range from DN15 to DN4000 to accommodate various pipeline requirements.
Q: Where is the Liwei Double Sphere Flexible Rubber Joint manufactured?
A: Manufactured in Henan, China, maintaining high-quality production standards.
Q: What is the minimum order quantity?
A: Minimum order quantity is 1 set, suitable for both small and large-scale projects.
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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