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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 Guard Rings (Not Sub-Assemblies) > Part Number 69790494927  
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Part Number 69790494927, DI-6 Type Guard Rings (Not 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.
    Note: Guard Rings are INCLUDED in a sub-assembly, along with two disc pack kits and a spacer. Unless ordered as a replacement part, guard rings are generally not ordered as a stand alone item.




Unit of Measure: Imperial Metric Both

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

Specifications

Description 
DI90-6-GUARD RING

Type
Disc

Style
Guard Rings

Color
Metallic

Coupling Series
DI-6

Weight
2.10 lb

Weight (Complete Coupling w/ Max. Bores)
8.00 lb
4.00 Kg


Dimensional Data

Height
3.7 in

Depth
0.893 in

Width
3.700 in

Cubic inches
12.22517 in³


Dimensional Data of Related Coupling

Coupling Size
90-6

Length thru Bore
1.570 in
39.88 mm

Outside Diameter
2.360 in
60.00 mm

Overall Length
6.25 in
159.00 mm

Max. Bore (Dimensions ID)
1.68 in
43 mm

Flange Diameter (Dimension FD)
3.7 in
94.00 mm

Dimension PW
0.893 in
22.68 mm

Dimension S
1.270 in
32.00 mm

Distance between Shaft Ends (Dimension BSE)
3.110 in
79.00 mm


Performance Data of Related Coupling

Temperature 
-40 to 450 ºF

Nominal Torque
2100 in·lb
240 N·m

Max. Torque
4200 in·lb
480 N·m

Max. Speed (Unbalanced)
9100 rpm

Max. Speed (Balanced)
22700 rpm

Axial Misalignment (∆ Ka)
0.059 in
1.50 mm

Max. Angular Misalignment
1.50 º

Torsional Stiffness x 106
2.40 in·lb/rad
0.30 Nm/rad

Rated Power at 100 rpm
3.50 hp
2.60 kW


 MORE IMAGES 

·  DI-6 Type Drop-In Center Industrial Coupling - Metric-2


 DOWNLOADS 

Disc Coupling Catalog
(PDF, 0KB)

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


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