RUBBER EXPANSION JOINTS
Rubber expansion joints are manufactured from natural or synthetic elastomers, technical textiles and metal reinforcement. Molded expansion joint may not replace metallic joint in every application. Flexibility of this type of material is good to use in many applications stressed by high-mechanical vibrations.
Installting an expansion joint helps to reduce movements, absorb noise and dampen “water hammer”.
Its use is also interesting for resistance in corrosive and abrasive environment.
Good to know
Expansion joint design depend of your technical specifications, mediums and operating conditions of your installations. It is recommended to consult us to define the best solution for your needs.
A RUBBER EXPANSION JOINT, IT IS...
They can resist to high pressures, up to 25bar(g).
Materials used offer the capacity to absorb the mechanical oscillations of the system. Thereby reduce displacements of your ducts.
Rubber expansion joints ensure a good sealing.
Rubber expansion joints are relatively light in weight, requiring no special handling equipment to position, contributing to lower installation labor costs.
This type of compensator can absorb a large range of movements and expansions of your installation.
This is the only one above metallic and fabric expansion joints adapted to liquid fluid transport for which installations are regularly cleaned.
SELECT THE RIGHT DESIGN
Rectangular
With loose flanges, tie-rods, vacuum ring
With integrated flanges, lifting points
COMPOSITION
The structure of the rubber expansion joint can be strengthened with fabrics particles and if necessary with metal reinforcement.
The inner layer is made of synthetic of natural rubber. This is a sealing internal protective tube, made without welding extending through the bore to the outside edges of the flanges.
External layer of the joint is formed from natural or synthetic rubber, depending on service requirements. The primary function of this part is to protect the internal structure from outside damage or abuse.
Wire reinforcement is possible, it will be a binder between internal and external layers. Fabric inserts give more flexibility.
- Metallic reinforcement by metal ring or massive steel ring can be embedded in the joint structure in order to strengthened members of the joint.
- Tie-rods can be a good option to facilitate the transport and/or installation. They are also a good alternative to minimize extreme elongation or compression.
MATERIALS
Elastomer : Natural rubber, Neopren, EPDM, Nitrile, Butyl, Hypalon, Viton, …
CONNECTION ENDS
- Fixed flanges
- Loose flanges
- Welding collar
- Connectors
PROPERTIES
RESISTANCE
- Temperature resistance from -50°C to 180°C
- Pressure resistance up to 25 bar(g)
- Wide corrosive medium resistance
MOVEMENTS
- Compression or axial elongation
- Lateral Movement
- Angular Movement
- Vibrating movement
- Combined movements
QUALITY INSPECTION
- Hydrolic pressure test
- Pneumatic leak detection test
- Vacuum test
- Material certificate
- Life cycle
- Dimensional inspection
- Conformed with international standard FSA, ASTM, FDA / ACS / WRAS
SOME ACHIEVEMENTS
