Disc Coupling Overview

Industrial SU Sort
The SU Kind coupling has a single flex plane with two hubs as well as a single disc pack. It truly is suitable for angular and axial misalignment only. Two SU couplings are often mixed that has a shaft
to create a floating shaft coupling. The shaft is often hollow for prolonged light weight floating shaft couplings.
Industrial SX Style
This really is the conventional coupling style that contains two hubs, a stock length spacer developed to meet business standard lengths, and two unitized disc packs. The coupling has two flex planes, 1 at every disc pack, making it possible for this coupling to accommodate parallel, angular, and axial misalignment with specified limits. The coupling is available in six and eight bolt types and bore sizes as much as 13 inches (330mm) on the largest dimension. Customized spacer lengths is usually manufactured to meet special shaft separations essential for unique applications. The SX coupling may be fitted with overload bushings to guard the disc packs in over torque disorders and might act as an anti-flail device. SX couplings are assembled in the time of installation within the tools exactly where the coupling will be in service.
Industrial DI Style
The DI Type coupling has a “Drop-In” spacer assembly which is assembled in the factory. The coupling includes two hubs as well as a spacer assembly comprising of your spacer, two unitized disc packs, and two guard rings. The disc packs are bolted to the spacer and guard rings with the factory working with the torque values advised by Lovejoy for your disc pack bolts. Together with the hubs mounted within the shafts, the whole disc pack assembly is often “Dropped In” area in between the 2 hubs. The hubs are piloted to make sure proper centering on the spacer assembly. This piloting serves as an anti-flail attribute and aids during the coupling’s potential to meet the balance requirements mandated by API. This style coupling is developed to meet the stability and anti-flail specifications specified in API-610.
Oversized, or Jumbo, hubs can be found for use using the DI Form coupling to permit for larger bore sizes on most DI coupling sizes. This enables for the utilization of smaller sized DI couplings in applications where a smaller dimension coupling can still accommodate the application torque.
Industrial SXC Form
The SXC Style may be the near coupled variation of your SX Style coupling. The SXC is much like the SX coupling in the disc packs are attached when the coupling is installed. While in the shut coupled units, the hubs are turned inward and therefore are mounted within the spacer. Note that together with the hubs inside the spacer, the maximum bore permitted within the hub will likely be decreased. The SXC couplings could be applied with one particular or the two hubs turned outward to permit the coupling to accommodate various shaft separations.
Industrial SXCS and SXCST Varieties
The SXCS and SXCST Kinds have split spacers and the disc packs might be serviced or eliminated without moving the hubs about the shafts and devoid of moving the equipment. The SXCS Style has the bolts that connect the hubs on the split spacer put in in the ends in the couplings. The SXCST possess the bolts installed from inside the spacer pointing outward in direction of the hubs.
Extra Types


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