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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Disc Couplings > DI Type (Drop-In Spacer) > DI-6 Type Spacer Sub-Assemblies > Part Number 69790494617  
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Part Number 69790494617, DI-6 Type Spacer Sub-Assemblies


    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: Imperial Metric Both

Specifications  · Dimensional Data  · Dimensional Data of Related Coupling  · Performance Data of Related Coupling  · Features

Specifications

Description 
DI278-6-SUBASSY-BSE=10.06

Hub Style
Standard

Type
Disc

Style
Spacer Assembly

Color
Metallic

Coupling Series
DI-6

Coupling Type
Drop in Spacer Assembly

Weight
57.00 lb

Weight (Complete Coupling w/ Max. Bores)
223.00 lb
101.00 Kg


Dimensional Data

Height
11.260 in

Between Shaft Ends
10.06 in

Width
11.260 in

Cubic inches
1275.48326 in³


Dimensional Data of Related Coupling

Coupling Size
278-6

Length thru Bore
4.920 in
124.97 mm

Outside Diameter
7.680 in
195.00 mm

Overall Length
19.900 in
505.460 mm

Max. Bore (Dimensions ID)
5.500 in
140.00 mm

Flange Diameter (Dimension FD)
11.260 in
286.00 mm

Dimension PW
10.060 in
255.52 mm

Dimension S
5.630 in
143.00 mm

Distance between Shaft Ends (Dimension BSE)
10.060 in
256.00 mm


Performance Data of Related Coupling

Temperature 
-40 to 450 ºF

Nominal Torque
14200.00 in·lb

Max. Torque
251400.00 in·lb
28400.00 N·m

Max. Speed (Unbalanced)
2800.00 rpm

Max. Speed (Balanced)
7000.00 rpm

Axial Misalignment (∆ Ka)
0.205 in
5.20 mm

Max. Angular Misalignment
1.00 º

Torsional Stiffness x 106
63.00 in·lb/rad
7.10 Nm/rad

Rated Power at 100 rpm
199.50 hp
148.80 kW


Features

Features 
  • Designed to meet the API 610 Standard
  • Support for additional API requirements available on request
  • Unitized disc pack
  • Infinite life if properly aligned
  • Torsionally rigid without any back lash
  • No need for lubrication or maintenance
  • No wearing parts and high resistance to harsh environmental conditions


 MORE IMAGES 

·  DI-6 Type Drop-In Center Industrial Coupling Standard Hub Bolt Kits - Metric-2


 DOWNLOADS 

Disc Coupling Catalog
(PDF, 0KB)

DI Type Disc Coupling Installation Instructions
(PDF, 0KB)


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