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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.
Unit of Measure
Key Dimensions
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Dimensional Data
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Dimensional Data of Related Coupling
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Performance Data of Related Coupling
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Features
Key Dimensions
Description |
N/A 90-6/94-6-HUB BOLT KIT-STD |
Hub Style |
N/A Standard |
Coupling Size |
N/A 90-6 |
Coupling Series |
N/A DI-6 |
Type |
N/A Hub Bolt Kits |
Material |
N/A Steel |
Application |
N/A Drop In Disc Coupling Design Bolt Kit |
Number of Pieces |
N/A 6 |
Weight |
N/A 0.70 lb |
Weight (Complete Coupling w/ Max. Bores) |
N/A 8.00 lb4.00 Kg |
Coupling Type |
N/A Gear |
Dimensional Data
Width |
N/A 12.000 in |
Height |
N/A 9.000 in |
Depth |
N/A 1.00 in |
Cubic inches |
N/A 108.00000 in³ |
Dimensional Data of Related Coupling
Overall Length |
N/A 6.25 in159.00 mm |
Max. Bore (Dimensions ID1/ID2) |
N/A 1.68 in43 mm |
Length thru Bore |
N/A 1.570 in39.88 mm |
Dimension HD |
N/A 2.360 in60.00 mm |
Dimension FD |
N/A 3.7 in94.00 mm |
Distance between Shaft Ends (Dimension BSE) |
N/A 3.110 in79.00 mm |
Dimension S |
N/A 1.270 in32.00 mm |
Performance Data of Related Coupling
Max. Speed (Unbalanced) |
N/A 9100 rpm |
Max. Speed (Balanced) |
N/A 22700 rpm |
Nominal Torque |
N/A 2100 in·lb240 N·m |
Max. Torque |
N/A 4200 in·lb480 N·m |
Axial Misalignment (∆ Ka) |
N/A 0.059 in1.50 mm |
Max. Angular Misalignment |
N/A 1.50 º |
Torsional Stiffness x 106 |
N/A 2.40 in·lb/rad0.30 Nm/rad |
Rated Power at 100 rpm |
N/A 3.50 hp2.60 kW |
Features
Features |
N/A
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