Disc Coupling Overview

Industrial SU Form
The SU Style coupling has a single flex plane with two hubs and a single disc pack. It truly is ideal for angular and axial misalignment only. Two SU couplings are often mixed with a shaft
for making a floating shaft coupling. The shaft is often hollow for lengthy light excess weight floating shaft couplings.
Industrial SX Sort
This can be the common coupling kind that includes two hubs, a stock length spacer developed to meet field standard lengths, and two unitized disc packs. The coupling has two flex planes, one at every disc pack, permitting this coupling to accommodate parallel, angular, and axial misalignment with specified limits. The coupling is accessible in 6 and eight bolt designs and bore sizes as much as 13 inches (330mm) to the biggest size. Customized spacer lengths may be manufactured to meet exclusive shaft separations demanded for particular applications. The SX coupling might be fitted with overload bushings to protect the disc packs in over torque problems and will act as an anti-flail gadget. SX couplings are assembled on the time of installation within the equipment exactly where the coupling might be in service.
Industrial DI Variety
The DI Sort coupling includes a “Drop-In” spacer assembly that is definitely assembled at the factory. The coupling includes two hubs and a spacer assembly comprising of your spacer, two unitized disc packs, and two guard rings. The disc packs are bolted on the spacer and guard rings at the factory making use of the torque values advisable by Lovejoy for the disc pack bolts. Together with the hubs mounted over the shafts, the whole disc pack assembly could be “Dropped In” area concerning the 2 hubs. The hubs are piloted to guarantee proper centering from the spacer assembly. This piloting serves as an anti-flail feature and aids while in the coupling’s skill to meet the stability specifications mandated by API. This type coupling is developed to meet the balance and anti-flail demands specified in API-610.
Oversized, or Jumbo, hubs are available for use using the DI Sort coupling to permit for more substantial bore sizes on most DI coupling sizes. This permits to the use of smaller DI couplings in applications exactly where a smaller sized dimension coupling can nevertheless accommodate the application torque.
Industrial SXC Type
The SXC Variety could be the shut coupled variation of your SX Variety coupling. The SXC is just like the SX coupling in that the disc packs are attached once the coupling is installed. Within the shut coupled units, the hubs are turned inward and are mounted within the spacer. Note that using the hubs within the spacer, the maximum bore permitted from the hub might be decreased. The SXC couplings can be applied with one or the two hubs turned outward to allow the coupling to accommodate various shaft separations.
Industrial SXCS and SXCST Types
The SXCS and SXCST Kinds have split spacers along with the disc packs is usually serviced or removed without moving the hubs around the shafts and devoid of moving the tools. The SXCS Kind has the bolts that connect the hubs towards the split spacer put in from the ends in the couplings. The SXCST possess the bolts installed from within the spacer pointing outward in direction of the hubs.
Supplemental Types

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