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Key Bellevilles, Inc. is the industry leading expert for the design and manufacture of belleville springs also known as belleville washers or conical springs.. We have established a reputation as a quality United States manufacturer; serving the mining equipment, chemical processing, petrochemical, electrical utilities, primary metals, agricultural, and construction equipment industries. See below for some examples of applications that require belleville disc springs

Belleville washers are components of heavy machinery that are used in construction, mining, excavation, and agriculture.
Oil refiners and chemical plants use bellevilles to help maintain a safe operating environment.
The energy industry uses bellevilles in drilling equipment, wind propellers, motors, etc.
Bellevilles are used in the transportation industry in the design of hydraulic and brake systems for automobiles.
Belleville disc springs also known as belleville washes are used in the aerospace industry in numerous applications including the International Space Station.