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China Suppliers Factory Flexible Rubber Joint Connector for Pipeline Bellows Expansion Joints
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Flexible rubber expansion joint is also one type of non metallic expansion joint which Shandong Hesper supply. Rubber expansion Joints also called rubber joints, soft rubber joints, rubber flexible joints, shock absorbers, pipeline shock absorbers, shock-absorbing throats, etc. They are a kind of pipe joints, which have high elasticity, high air tightness, medium resistance and weather resistance.
Hesper rubber joints are made by rubber and polyester cord which has high strength and strong cold and heat stability, undergoes high pressure and high temperature, then vulcanized by molds. Therefore, flexible rubber joints take the advantage of rubber's elasticity, high air tightness, medium resistance, weather resistance and radiation resistance, etc.
They can connected with pumps, valves, fire-fighting equipment, pipelines with high vibration, and pipelines with frequently changes in cold and heat, and the valve body is tightly connected, with strong pressure resistance and good sealing performance.
Features
Flange
JIS, DIN, ANSI, BS and other standard Flange.
Material
EPDM, Neoprene, Butyl, Hypalon, Natural Rubber, PTFE (teflon) lined.
Bursting Pressure
60kg/cm² (1 1/4" ~ 8")
40kg/cm² (10" ~ 24").
40kg/cm² (10" ~ 24").
Special Specification
Can be designed and manufactured separately.
Advantages
- Small volume, light weight, good flexibility: Easy installation and maintenance.
- Custom designs: Various movement requirements can be met, and non-standard designs are manufactured as required.
- Noise & Vibration reduction: During working, the rubber expansion joints structure can reduce noise transmission and has strong vibration absorption ability.
- High reliability: Long service life and high operational reliability.
- Wide adaptability: Flexible rubber joints can be used in industrial environments, in plant and process engineering, as well as in mechanical engineering, building services engineering and hydraulics.
- Excellent durability: High working pressure, anti-burst and good elasticity.
Applications
Applicable Media:
Water, warm water, seawater, weak acid, alkali liquor, etc.
Application Areas:
Power generation stations, oil & gas, cooling system, pumps, desalination, heating ventilating and air conditioning, pipe systems, food process, etc.
Frequently Asked Questions
Q:
What is a flexible rubber expansion joint?
A flexible rubber expansion joint (also known as a rubber joint, soft rubber joint, or pipeline shock absorber) is a highly elastic, air-tight, and medium-resistant pipe joint designed to absorb vibration, reduce noise, and compensate for thermal movement in piping systems.
Q:
What materials are used to manufacture Hesper rubber joints?
They are made from high-strength rubber and polyester cord with strong thermal stability, vulcanized under high pressure and temperature. Available materials include EPDM, Neoprene, Butyl, Hypalon, Natural Rubber, and PTFE (teflon) lining.
Q:
What flange standards do these rubber expansion joints support?
Hesper rubber expansion joints support JIS, DIN, ANSI, BS, and other standard flanges. Special custom specifications can also be designed and manufactured separately.
Q:
What is the bursting pressure rating of these joints?
The bursting pressure is 60kg/cm² for sizes ranging from 1 1/4" to 8", and 40kg/cm² for larger sizes ranging from 10" to 24".
Q:
Where are flexible rubber expansion joints commonly applied?
They are widely used in power generation stations, oil & gas, cooling systems, pumps, desalination, HVAC, pipe systems, and food processing. They are compatible with media such as water, warm water, seawater, weak acid, and alkali liquor.