Rubber washers are flat flexible components made from rubber used to create a seal between two surfaces absorb vibration or distribute load in mechanical assemblies.
Definition
Rubber washers are circular discs with a hole in the center made from elastomeric materials. They prevent leaks reduce wear and dampen vibration or noise.
Functions
They provide a watertight or airtight seal
They absorb vibration and shock
They distribute pressure evenly across a surface
They protect surfaces from damage due to fasteners
Materials
Common materials include NBR nitrile EPDM Viton FKM silicone and neoprene. Material selection depends on chemical resistance temperature and mechanical requirements.
Applications
Rubber washers are used in plumbing fittings and pipe connections
Automotive and machinery assemblies
Electrical equipment insulation
Pumps valves and mechanical seals
Advantages
They are flexible and compressible for effective sealing
They resist many chemicals and weather conditions depending on material
They are easy to install and replace
They reduce vibration and noise
Types
Flat rubber washers are standard disc shape
Bonded washers are rubber bonded to a metal disc for strength
Sealing washers are designed specifically for leak prevention
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