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Silent Chain Couplings

There are two models of Ramsey silent chain couplings, the Straight Type and the Diagonal Type. Straight Type couplings are composed of coupling halves that are split perpendicular to the shaft axis. A hardened steel silent chain joins the two halves. Diagonal Type couplings are split at an angle to the shaft axis. Due to the angular split, the chain that wraps a Diagonal couplings is loaded in shear, as well as tension. This results in Diagonal couplings having a somewhat higher load
capacity than straight couplings, where the chain is only loaded in shear.

Both Straight and Diagonal silent chain couplings have a torque capacity that is greater than the largest diameter mild steel shaft on which it is mounted. The choice between the two types is often determined by ease of installation in a specific application.

Ramsey also produces a full line of SA chain couplings that are completely interchangeable with Morse SA silent chain couplings.

A Connected Coupling

Straight Type Coupling

Diagonal Type Coupling

Industry Association