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DI-6 Type Standard Hub Bolt Kits

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    The DI Type coupling has a “Drop-In” spacer assembly that is assembled at the factory. The coupling consists of two hubs and a spacer assembly comprising of the spacer, two unitized disc packs, and two guard rings. The disc packs are bolted to the spacer and guard rings at the factory using the torque values recommended by Lovejoy for the disc pack bolts. With the hubs mounted on the shafts, the entire disc pack assembly can be “Dropped In” place between the two hubs. The hubs are piloted to ensure proper centering of the spacer assembly. This piloting serves as an anti-flail feature and aids in the coupling’s ability to meet the balance standards mandated by API. This style coupling is designed to meet the balance and anti-flail requirements specified in API-610.

    Oversized, or Jumbo, hubs are available for use with the DI Type coupling to allow for larger bore sizes on most DI coupling sizes. This allows for the use of smaller DI couplings in applications where a smaller size coupling can still accommodate the application torque.
    Note: Bolt kits are generally INCLUDED when ordering a DI type hub. Unless ordered as a replacement part, bolt kits are generally not ordered as a stand alone item.


DI Type Disc Coupling Installation Instructions
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Disc Coupling Catalog
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Item #


Coupling Size

69790494933 DI90-6 STD HUB BOLT KIT 90-6
69790493904 DI110-6 STD HUB BOLT KIT 110-6
69790493095 DI132-6 STD HUB BOLT KIT 132-6
69790493096 DI158-6 STD HUB BOLT KIT 158-6
69790493098 DI202-6 STD HUB BOLT KIT 202-6
69790493099 DI228-6 STD HUB BOLT KIT 228-6
69790493905 DI255-6 STD HUB BOLT KIT 255-6
69790493100 DI278-6 STD HUB BOLT KIT 278-6
69790493101 DI302-6 STD HUB BOLT KIT 302-6
  Results 1 - 9 of 9 1