Rubber Expansion Joint
HENAN CHNFLEX INDUSTRIAL CO.,LTD. is a leading rubber expansion joints manufacturer with a large range of rubber expansion joints types for pipe and piping systems. Our expansion joints are manufactured to have the ability to protect your equipment against a variety of stressors while also being low maintenance and durable for maximum efficiency.
Why Choose Us
Production Equipment
We have 30 sets vulcanizing machine to ensure the delivery time .
One Stop Solution
From the begining inquiry and throughout the entire process until you receive the goods. we are dedicated to supporting you every step of the way.
Our Market
Our company has been supplying rubber/metal expansion joints to Europe and America and Asia for 20 years. Serving more than 2000 customers.
Professional Team
We have professional sourcing team and cost accounting team, stive to reduce cost and profit and provide you a good price.
Type of Rubber Expansion Joint
Single Sphere Rubber Expansion Joint
Single sphere rubber expansion joint is made by rubber sheets wrapping around a bellows-shape mandrel with one sphere, and it is flexible unit installed in piping system to absorb vibrations and shock, relieve anchor stress, reduce noise, and compensate for misalignment.
Twin Sphere Rubber Expansion Joint
The twin sphere rubber expansion joint is composed of inner and outer rubber layers, curtain layers, and steel wire rings, which are vulcanized and then loosely combined with metal flanges or parallel joints.
Spool Type Rubber Expansion Joint
The spool type rubber expansion joint is mainly composed of three parts: rubber joint, flange, and metal rod. Its structural design is reasonable, simple, and easy to install, making it a new type of pipeline connector.
Threaded Rubber Expansion Joint
The threaded rubber expansion joint features internal threaded couplings at both ends for connection.It is suitable for use in central air conditioning fan coils,and its increased length ensures excellent sound insulation effect.
Wide Arch Rubber Expansion Joint
The wide arch rubber expansion joint consists of four parts: inner lining layer, winding layer, outer lining layer, and flange. Usually equipped with flanges or threaded interfaces for easy installation and replacement, reducing downtime of pipeline systems.
Concentric Reducer Rubber Expansion Joint
Concentric reducer rubber expansion joint is a type of pipeline connection component, mainly used to solve the problem of different diameters when connecting metal pipelines.
Eccentric Reducer Rubber Expansion Joint
Eccentric reducing rubber expansion joint is a type of pipeline connector commonly used to connect pipes of different diameters or in situations where slight adjustments are required during the connection process.
Key Features of Rubber Expansion Joints
Flexibility
Rubber expansion joints are highly flexible, allowing them to absorb axial, lateral, and angular movements in piping systems.
01
Vibration and Noise Isolation
They help reduce noise and vibration transmission from pumps, compressors, and other equipment, improving the overall stability and comfort of the system.
02
Corrosion and Abrasion Resistance
The rubber material used in these joints is resistant to many chemicals, making them suitable for a wide range of industrial applications, including those involving corrosive substances.
03
Pressure and Temperature Tolerance
Depending on the type of rubber and reinforcement used, these joints can handle various pressure levels and temperature ranges, making them versatile for different environments.
04
Ease of Installation
Lightweight and easy to install, rubber expansion joints simplify the connection between pipes, reducing installation time and labor costs.
05
Installation Requirements of Rubber Expansion Joints
Check the application criteria
Rubber expansion joints should never be subjected to operating conditions beyond their specified temperature, pressure, and vacuum service recommendations.
Inspect the location
In most cases, rubber expansion joints should be installed close to the main anchor point in order to better absorb the expansion and contraction of the pipe.
Inspect the rubber expansion joint
Make sure to check the interior, exterior, and flange faces for any damage or cracks before installing the expansion joint.
Check the pipe’s alignment
If the piping is offset by more than +/- 1/8” and cannot be corrected, a special joint my need to be designed to be used rather than the rubber expansion joint.
Check the pipe’s support
Piping must be properly supported by hangers or anchors, so that the weight is properly dispersed.
Check the existing flanges
Double check that the flanges that are to be mated with the expansion joint flanges are clean and undamaged.
Applications of Rubber Expansion Joint
HVAC Applications
Rubber expansion joints are used in a variety of heating, ventilation, and air conditioning systems, which includes commercial and industrial buildings, hotels, apartments, schools, shopping plazas and aboard ships to relieve stress in ductwork.
Process Piping
Protection of a process piping system is an important use for rubber expansion joints. They also centrifuges by behaving as a shock absorber in systems handling abrasive slurries, corrosive chemicals, or very reactive liquids or gases.
Power Plant Applications
Nuclear and fossil fuel plants use rubber expansion joints so as to reduce thermal expansion and contraction on condenser lines, condensate lines, steam turbine exhaust lines, aeration systems and cooling water lines.
Industrial Ducting Systems
Rubber expansion joints have been installed in demanding industrial ducting systems where there are problems like heavy vibration, dry or wet corrosive materials, flutter etc.
Marine Systems
Eliminating the destructiveness of electrolysis and at the same time insulating against the transmission of sound, rubber expansion joints allow the necessary motion and flexibility in a 'moving' ship's piping system.
Pollution and Wastewater Treatment
Due to their resistance to abrasion and corrosion as well as their flexibility feature, rubber expansion joints are ideal to be used in raw and secondary sewage lines, sludge pumps, centrifugal air blowers, scrub stacks.
24-hour Online: When you work with us, you can count on personalized, one-on-one service every step of the way.
Free Samples Provided: We could provide samples for you to test the quality.
Support Customization: We offer custom-designed rubber expansion joints tailored to meet specific project requirements.
Long Warranty Period: We provide 18 months' warranty.
Shipping packaging
The packaging consists of cardboard boxes and sturdy plywood boxes.
MOQ
1pc. We could delivery any quantity according to your requirements.
Certificate
We could provide CE,ISO certificate.
FAQ
As one of the most professional rubber expansion joint manufacturers in China, we're featured by quality products and good price. Please rest assured to buy customized rubber expansion joint from our factory. Contact us for more details.
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