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: Spacers are INCLUDED in a sub-assembly, along with two disc pack kits and two guard rings. Unless ordered as a replacement part, spacers are generally not ordered as a stand alone item.
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Item #

Description 

Size

Spacer Length (OAL)

Nominal Torque

Distance between Shaft Ends (Dimension BSE)

N/A DI110-6 SPC BSE=3.50 OAL=1.658 N/A 110-6 N/A 1.658 in42.1 mm N/A 5100 in·lb575 N·m N/A 3.5 in108 mm
N/A DI110-6 SPC BSE=5.00 OAL=3.158 N/A 110-6 N/A 3.158 in80.2 mm N/A 5100 in·lb575 N·m N/A 5 in108 mm
N/A DI110-6 SPC BSE=7.00 OAL=5.158 N/A 110-6 N/A 5.158 in131.0 mm N/A 5100 in·lb575 N·m N/A 7 in108 mm
N/A DI110-6 SPC BSE=4.38 OAL=2.538 N/A 110-6 N/A 2.538 in64.3 mm N/A 5100 in·lb575 N·m N/A 4.375 in108 mm
N/A DI132-6 SPC BSE=7" OAL=5.158 N/A 132-6 N/A 5.158 in131.0 mm N/A 9700 in·lb1100 N·m N/A 7 in177.8 mm
N/A DI158-6 SPC BSE=5.00 OAL=2.622 N/A 158-6 N/A 2.622 in66.6 mm N/A 17700 in·lb2000 N·m N/A 5 in127 mm
N/A DI158-6 SPC BSE=5.50 OAL=3.122 N/A 158-6 N/A 3.122 in79.3 mm N/A 17700 in·lb2000 N·m N/A 5.5 in140.00 mm
N/A DI158-6 SPC BSE=7.00 OAL=4.622 N/A 158-6 N/A 4.622 in117.4 mm N/A 17700 in·lb2000 N·m N/A 7 in177.8 mm
N/A DI185-6 SPC BSE=7.00 OAL=4.088 N/A 185-6 N/A 4.088 in103.8 mm N/A 29200 in·lb3300 N·m N/A 7 in177.8 mm
N/A DI202-6 SPC BSE=7" OAL=3.810 N/A 202-6 N/A 3.81 in96.8 mm N/A 40700 in·lb4600 N·m N/A 7 in177.8 mm
N/A DI90-6 SPC BSE=3.50 N/A 90-6 N/A 2.084 in52.9 mm N/A 2100 in·lb240 N·m N/A 3.5 in79.00 mm
N/A DI90-6 SPC BSE=4.38 N/A 90-6 N/A 2.964 in75.1 mm N/A 2100 in·lb240 N·m N/A 4.375 in79.00 mm
N/A DI90-6 SPC BSE=5" OAL=3.584 N/A 90-6 N/A 3.584 in90.9 mm N/A 2100 in·lb240 N·m N/A 5 in79.00 mm
N/A DI90-6 SPC BSE=7" OAL=5.584 N/A 90-6 N/A 5.584 in141.8 mm N/A 2100 in·lb240 N·m N/A 7 in79.00 mm
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