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Rigid, Flange and Safety Couplings for Shaft Connections

Roller-chain, flange, cross-slider and friction safety coupling families. These products require close review of alignment, lubrication, guarding, slip-torque or rigid-connection conditions as applicable.

Rigid and special coupling FAQ

Questions About Rigid and Special Couplings

These answers help identify chain, flange, slider and safety coupling structures for specific connection or overload duties.

When should a rigid or flange coupling be used?

Use a rigid or flange coupling when the shaft arrangement and alignment support a more fixed connection. Confirm alignment, shaft dimensions, installation access and guarding before choosing a rigid connection.

What is a safety coupling used for?

A safety coupling is intended to limit torque or protect a drive line during an overload event. The required release or slip setting, reset method, speed, connection details and guarding must be confirmed for the equipment.

How do chain, slider and safety couplings differ?

A chain coupling uses a chain-and-sprocket connection, a slider coupling accommodates movement through a sliding element, and a safety coupling adds a defined overload-protection function. Selection depends on the required movement, maintenance and protection duty.

What information is needed for a rigid or special coupling inquiry?

Provide torque, speed, shaft diameters, bore and keyway form, alignment condition, displacement, installation space, lubrication and guarding requirements, plus any required slip torque or brake interface.

Need help with a model?

Send torque, speed, shaft and installation data for a preliminary review.

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