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  • Specifically designed for the pump industry, this coupling accommodates industry standard as well as special pump/motor separation
  • This shaft separation facilitates easy pump repair of pump packing, bearings, and seals without disturbing pump or motor mounting and alignment
  • The SC Type coupling consists of two flanges, a sleeve and two shaft hubs
Quick Coupling Removal
  • The center drop out section consists of two flanges and the flexible sleeve
  • The flange is bolted to the shaft hub with four hex head cap screws
  • The center drop out section can be removed by removing the hex head cap screws
  • Flats on each hub provides a convenient grip for a wrench in order to facilitate loosening of the screws and, if desired, turning of the pump/motor shafts
  • Once the hub is removed from the pump shaft, maintenance on the pump can be done without disturbing equipment alignment
Unit of Measure

Specifications

Description 

 N/A 12SC78-SPCR FLNG

Flange #

 N/A 12SC78

SC Hub #

 N/A 12SCH(HS)

Type

 N/A Coupling Flange

Material

 N/A Cast Iron

Color

 N/A Gray

Bore Type

 N/A Spacer Flange/No Bore

Coupling Type

 N/A S-Flex

Weight

 N/A 25.30 lb

Dimensional Data

Keyway Size (W x D)

 N/A No Keyway

Outside Diameter

 N/A 10.000 in254.00 mm

Dimension FL

 N/A 1.690 in42.93 mm

Dimension HD

 N/A 1.030 in26.16 mm

Dimension L

 N/A 2.840 in72.14 mm

Dimension P

 N/A 1.030 in26.16 mm

For Required Shaft Separation

 N/A 7.750 in

Cubic inches

 N/A 284.00000 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

 N/A 7200 in·lb

Max. Speed

 N/A 2800.00 rpm

Torsional Stiffness

 N/A 27500.00 in·lb/rad

Rated HP at 100 rpm

 N/A 11.40 hp

Rated HP at 1,200 rpm

 N/A 137.00 hp

Rated HP at 1,800 rpm

 N/A 206.00 hp

Notes

Notes 

 N/A
  • Flanges can be mixed to form different shaft separations.
  • SC = Standard Length
  • SCHS = Short Length
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