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  • DI-6 Type Drop-In Center Industrial Coupling Standard Hub Bolt Kits - Metric
  • DI-6 Type Drop-In Center Industrial Coupling Standard Hub Bolt Kits - Metric-2
  • Standard Spacer Sizes
    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.
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Coupling Size

Part Number

Description 

Between Shaft Ends

Coupling Size

Outside Diameter

Overall Length

Nominal Torque

N/A DI90-6-SUBASSY-BSE=3.5 N/A 3.50 in N/A 90-6 N/A 2.360 in60.00 mm N/A 6.640 in168.656 mm N/A 240 in·lb
N/A DI90-6-SUBASSY-BSE=4.38 N/A 4.38 in N/A 90-6 N/A 2.360 in60.00 mm N/A 7.520 in191.008 mm N/A 240 in·lb
N/A DI90-6-SUBASSY-BSE=5" N/A 5.00 in N/A 90-6 N/A 2.360 in60.00 mm N/A 8.140 in206.756 mm N/A 240 in·lb
N/A DI90-6-SUBASSY-BSE=7" N/A 7.00 in N/A 90-6 N/A 2.360 in60.00 mm N/A 10.140 in257.556 mm N/A 240 in·lb
N/A DI110-6-SUBASSY-BSE=3.5 N/A 3.50 in N/A 110-6 N/A 2.870 in73.00 mm N/A 7.440 in188.976 mm N/A 575.00 in·lb
N/A DI110-6-SUBASSY-BSE=4.375 N/A 4.375 in N/A 110-6 N/A 2.870 in73.00 mm N/A 8.315 in211.201 mm N/A 575.00 in·lb
N/A DI110-6-SUBASSY-BSE=5" N/A 5.00 in N/A 110-6 N/A 2.870 in73.00 mm N/A 8.94 in227.076 mm N/A 575.00 in·lb
N/A DI110-6-SUBASSY-BSE=7" N/A 7.00 in N/A 110-6 N/A 2.870 in73.00 mm N/A 10.94 in277.876 mm N/A 575.00 in·lb
N/A DI132-6-SUBASSY-BSE=4.38 N/A 4.38 in N/A 132-6 N/A 3.74 in95 mm N/A 9.100 in231.140 mm N/A 1100.00 in·lb
N/A DI132-6-SUBASSY-BSE=5" N/A 5.00 in N/A 132-6 N/A 3.74 in95 mm N/A 9.72 in246.888 mm N/A 1100.00 in·lb
N/A DI158-6-SUBASSY-BSE=5" N/A 5.00 in N/A 158-6 N/A 4.410 in112.00 mm N/A 10.520 in267.208 mm N/A 2000.00 in·lb
N/A DI158-6-SUBASSY-BSE=7" N/A 7.00 in N/A 158-6 N/A 4.410 in112.00 mm N/A 12.52 in318.008 mm N/A 2000.00 in·lb
N/A DI185-6-SUBASSY-BSE=6.31 N/A 6.31 in N/A 185-6 N/A 5.280 in134.00 mm N/A 12.610 in320.294 mm N/A 3300.00 in·lb
N/A DI185-6-SUBASSY-BSE=7" N/A 7.00 in N/A 185-6 N/A 5.280 in134.00 mm N/A 13.300 in337.820 mm N/A 3300.00 in·lb
N/A DI185-6-SUBASSY-BSE=8" N/A 8.00 in N/A 185-6 N/A 5.280 in134.00 mm N/A 14.300 in363.220 mm N/A 3300.00 in·lb
N/A DI202-6-SUBASSY-BSE=7.31 N/A 7.31 in N/A 202-6 N/A 5.670 in144.00 mm N/A 14.39 in365.506 mm N/A 4600.00 in·lb
N/A DI202-6-SUBASSY-BSE=7" N/A 7.00 in N/A 202-6 N/A 5.670 in144.00 mm N/A 14.08 in357.632 mm N/A 4600.00 in·lb
N/A DI202-6-SUBASSY-BSE=8" N/A 8.00 in N/A 202-6 N/A 5.670 in144.00 mm N/A 15.080 in383.032 mm N/A 4600.00 in·lb
N/A DI228-6-SUBASSY-BSE=7" N/A 7.00 in N/A 228-6 N/A 6.300 in160.00 mm N/A 14.880 in377.952 mm N/A 7000.00 in·lb
N/A DI228-6-SUBASSY-BSE=8" N/A 8.00 in N/A 228-6 N/A 6.300 in160.00 mm N/A 15.880 in403.352 mm N/A 7000.00 in·lb
N/A DI228-6-SUBASSY-BSE=8.06 N/A 8.06 in N/A 228-6 N/A 6.890 in175.00 mm N/A 17.120 in434.848 mm N/A 7000.00 in·lb
N/A DI255-6-SUBASSY-BSE=9" N/A 9.00 in N/A 255-6 N/A 6.890 in175.00 mm N/A 18.060 in458.724 mm N/A 10200.00 in·lb
N/A DI255-6-SUBASSY-BSE=9.88 N/A 9.88 in N/A 255-6 N/A 6.890 in175.00 mm N/A 18.940 in481.076 mm N/A 10200.00 in·lb
N/A DI278-6-SUBASSY-BSE=10.06 N/A 10.06 in N/A 278-6 N/A 7.680 in195.00 mm N/A 19.900 in505.460 mm N/A 14200.00 in·lb
N/A DI302-6-SUBASSY-BSE=11.06 N/A 11.06 in N/A 302-6 N/A 8.400 in213.00 mm N/A 21.700 in551.180 mm N/A 20200.00 in·lb
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