NBR Back Up Ring

The NBR (Nitrile Butadiene Rubber) Back Up Ring is a critical sealing component designed to support O-rings and enhance the reliability of hydraulic and pneumatic systems.

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Durable NBR Back Up Ring for Hydraulic and Pneumatic Systems

Engineered from high-quality NBR material, this back up ring offers excellent elasticity, wear resistance, and chemical compatibility, providing robust performance under extreme pressures and temperatures. It effectively prevents O-ring extrusion in high-pressure applications, extending the life of the sealing system and ensuring consistent operational efficiency.

Key Features Of NBR Back Up ring

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Extrusion Protection

Reinforces O-rings under high-pressure conditions, reducing the risk of seal failure.

Temperature Resilience

Operates reliably in a wide temperature range of -30°C to +120°C (-22°F to +248°F).

Chemical Resistance

Excellent resistance to oils, hydraulic fluids, greases, and other industrial lubricants.

Durable & Flexible

Combines toughness and flexibility, allowing for easy installation and long-lasting performance.

Applications & Industries

Hydraulic Systems

Cylinders, pistons, valves, pumps, and actuators.

Pneumatic Equipment

Air cylinders, pneumatic actuators, and pneumatic valves.

Automotive Industry

Brake systems, steering components, suspension systems, and transmission parts.

1. What is an NBR Back Up Ring used for?

NBR Back Up Rings are designed to support O-rings in hydraulic and pneumatic systems, preventing extrusion and improving seal reliability under high pressure. They are commonly used in cylinders, pumps, valves, and other dynamic or static applications.

2. What materials are NBR Back Up Rings made of?

These back up rings are made from Nitrile Butadiene Rubber (NBR), which offers excellent resistance to oils, fuels, hydraulic fluids, and greases. NBR is flexible, durable, and suitable for both static and dynamic sealing.

3. Can NBR Back Up Rings be used with other O-ring materials?

Yes, NBR Back Up Rings are compatible with many O-ring materials, including NBR, FKM, EPDM, and others. They are primarily used to reinforce O-rings in high-pressure or dynamic applications.

4. Are custom sizes available?

Yes, NBR Back Up Rings can be manufactured in standard sizes or customized according to O-ring dimensions and groove requirements.

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