Flexible Flanged Rubber Bellows Expansion Joint for Pipeline Vibration Control and Movement Compensation
Flexible Flanged Rubber Bellows Expansion Joint for Pipeline Vibration Control and Movement Compensation
Product Description
Flanged flexible rubber expansion joint is a pipeline connector designed to provide reliable movement absorption and system protection in fluid transport applications. It features an elastic rubber body combined with flanged metal ends, ensuring stable connection while allowing flexibility under working conditions.
During operation, it helps reduce vibration and noise generated by pumps and fluid flow, while also accommodating axial, lateral, and angular movements caused by thermal changes or installation deviation. This significantly lowers stress on pipelines, valves, and related equipment, improving overall system durability.
The product is widely applied in water treatment facilities, HVAC systems, industrial piping networks, and marine installations. Depending on different operating environments, the rubber element can be produced using EPDM, NBR, or NR materials, while flange options include carbon steel and stainless steel to meet corrosion resistance and pressure requirements.
It is designed for easy installation and maintenance, making it a practical solution for both new pipeline projects and system upgrades.
Performance characteristics
1. Flexibility: Accommodates axial, lateral, and angular movements.
2. Durability: Reinforced rubber flexible joint provides long-lasting performance.
3. Corrosion Resistance: Resists aggressive environments and chemicals.
4. Noise & Vibration Reduction: Dampens vibrations and shock waves.
5. Ease of Installation & Maintenance: Compact design and standard flange connections facilitate installation and upkeep.
Product Specification
| Size | Length | Allowable Movements in Operation | ||||
| mm | inch | mm | Axial Compression mm | Axial Extension mm |
Transverse Movement mm |
Angular Deflection mm |
| 25 | 1 | 130/152 | 20 | 12 | 14 | 15° |
| 32 | 1 1/4 | 95/130/152 | 20 | 12 | 14 | 15° |
| 40 | 1 1/2 | 95/130/152 | 20 | 12 | 14 | 15° |
| 50 | 2 | 105/130/152 | 20 | 12 | 14 | 15° |
| 65 | 2 1/2 | 115/130/152 | 20 | 12 | 14 | 15° |
| 80 | 3 | 130/135/152 | 20 | 12 | 14 | 15° |
| 100 | 4 | 130/152 | 20 | 12 | 14 | 15° |
| 125 | 5 | 130/152/165 | 20 | 12 | 14 | 15° |
| 150 | 6 | 130/152/185 | 20 | 12 | 14 | 15° |
| 200 | 8 | 130/152/210 | 20 | 12 | 14 | 15° |
| 250 | 10 | 130/203/230 | 20 | 12 | 14 | 15° |
| 300 | 12 | 130/203/245 | 25 | 16 | 22 | 15° |
| 350 | 14 | 200/255 | 25 | 16 | 22 | 15° |
| 400 | 16 | 200/255 | 25 | 16 | 22 | 15° |
| 450 | 18 | 200/255 | 25 | 16 | 22 | 15° |
| 500 | 20 | 200/255 | 25 | 16 | 22 | 15° |
| 600 | 24 | 260 | 25 | 16 | 22 | 15° |
| 700 | 28 | 260 | 25 | 16 | 22 | 15° |
| 800 | 32 | 260 | 25 | 16 | 22 | 15° |
| 900 | 36 | 260 | 25 | 16 | 22 | 15° |
| 1000 | 40 | 260/300 | 25 | 16 | 24 | 15° |
| 1100 | 44 | 300 | 25 | 16 | 24 | 15° |
| 1200 | 48 | 300 | 25 | 16 | 24 | 15° |
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Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering |
Product Details
Production Flow
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1.Raw material Top level CR/EPDM/NBR rubber raw materials, No recycled rubber |
2.Plasticating and mixing Special Formulation for better Bending with Nylon,For Better Strength,Sealing |
3.Workblanks wraping Cooper plated steel wire reinforcement prevent pull off |
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4.Vulcanizing Automatic vulcanization machine ensure vulcanization time and pressure |
5.Inspecting |
6. Packaging |
Application
Rubber Expansion Joint Standard are widely used in various fields, including construction, chemical industry, shipbuilding, tap water, gas, chemical pipelines, petroleum pipelines, food pipelines, air conditioning pipelines, and sewage treatment.
Our Services
1.24-hour online
2.Free samples provided
3.Support customization
4.Provide drawings
5.Multiple payment styles to choose from
6.Factory inspection (material, specifications, quantity, pressure, packaging)
7.Long warranty period
8.Suitable packaging for transportation
Our Customer
Certificate
FAQ
Q1: What does a flanged flexible rubber expansion joint do?
A1: It connects pipeline sections while allowing flexibility to handle movement, vibration, and system stress.
Q2: Why is this product important in piping systems?
A2: It helps prevent damage caused by vibration, thermal expansion, and installation misalignment.
Q3: In which industries is it typically used?
A3: It is commonly applied in water treatment, HVAC networks, industrial fluid pipelines, and marine systems.
Q4: What material options are available?
A4: The flexible part can be EPDM, NBR, or NR rubber, and flanges are available in carbon steel or stainless steel.
Q5: How does it improve pipeline performance?
A5: It reduces mechanical stress on pipes and equipment, helping extend system service life.
Q6: Is installation complicated?
A6: No, the flanged structure allows quick connection with standard bolts and sealing methods.
Q7: Can it be produced according to customer requirements?
A7: Yes, it can be customized in size, material, and pressure rating based on project needs.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.