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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.
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 DI158-6-SUBASSY-BSE=5" |
Hub Style |
N/A Standard |
Type |
N/A Disc |
Style |
N/A Spacer Assembly |
Color |
N/A Metallic |
Coupling Series |
N/A DI-6 |
Coupling Type |
N/A Drop in Spacer Assembly |
Weight |
N/A 26.00 lb |
Weight (Complete Coupling w/ Max. Bores) |
N/A 40.00 lb18.00 Kg |
Dimensional Data
Height |
N/A 6.5 in |
Between Shaft Ends |
N/A 5.00 in |
Width |
N/A 6.500 in |
Cubic inches |
N/A 211.25000 in³ |
Dimensional Data of Related Coupling
Coupling Size |
N/A 158-6 |
Length thru Bore |
N/A 2.76 in70.1 mm |
Outside Diameter |
N/A 4.410 in112.00 mm |
Overall Length |
N/A 10.520 in267.208 mm |
Max. Bore (Dimensions ID) |
N/A 3.13 in80 mm |
Flange Diameter (Dimension FD) |
N/A 6.5 in165.00 mm |
Dimension PW |
N/A 5.000 in127.00 mm |
Dimension S |
N/A 3.120 in79.00 mm |
Distance between Shaft Ends (Dimension BSE) |
N/A 5 in127 mm |
Performance Data of Related Coupling
Temperature |
N/A -40 to 450 ºF |
Nominal Torque |
N/A 2000.00 in·lb |
Max. Torque |
N/A 35400 in·lb4000 N·m |
Max. Speed (Unbalanced) |
N/A 4920 rpm |
Max. Speed (Balanced) |
N/A 12300 rpm |
Axial Misalignment (∆ Ka) |
N/A 0.122 in3.1 mm |
Max. Angular Misalignment |
N/A 1.50 º |
Torsional Stiffness x 106 |
N/A 5.8 in·lb/rad0.70 Nm/rad |
Rated Power at 100 rpm |
N/A 28.2 hp21 kW |
Features
Features |
N/A
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