The Evolution Flexible Shaft Coupling
 

Product Information | Specifications | Installation | Order Online


PRODUCT INFORMATION

The Evolution Flexible Shaft Coupling (EFSC) solves misalignment, absorbs and dampens shock loads and shaft vibrations, prolongs the life of machinery, and isolates metal-to-metal for quietness.

The EFSC is comprised of four major components: 1) a spool flange machined to bolt directly to the reduction flange; 2) a large circular rubber flex joint that's replaceable; 3) a split flange coupling for the shaft with pinch bolts, set bolts, and keyway; 4) a retainer cover that serves to protect the rubber flex joint, capture all bolts, and improve overall strength of the unit.

The Evolution Flexible Shaft Coupling uses quality construction, few parts and is easily installed.

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DETAILED SPECIFICATIONS

Product

Shaft Size (inches)

Flange Diameter

Max. Angle of Deflection

Max. Torque (ft. lbs.)

Max. Admissible RPMs

EFSC #4

3/4" - 1 1/4"

4 1/2"

5 degrees

600

18,000

EFSC #5

1" - 1 1/2"

5 1/2"

3 degrees

1,100

14,500

EFSC #6

1" - 2"

6 1/2"

3 degrees

1,600

12,000

EFSC #8

1 3/4" - 2 1/2"

8 1/4"

2 degrees

2,800

8,000

EFSC #9

2" - 3"

9 1/2"

2 degrees

5,400

7,700

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INSTALLATION SPECIFICATIONS

Product #

Overall Length

Spool Flange Length

Max. Diameter

Bore Sizes (Specify)

Shorten Shaft

Key

EFSC #4

5 3/4"

1 1/4"

4 3/4"

3/4" - 1 1/4"

3 1/4"

Yes

EFSC #5

6"

1 1/4"

5 1/2"

1" - 1 1/2"

3 1/2"

Yes

EFSC #6

6 1/2"

1 1/4"

6 1/2"

1" - 2"

3 3/4"

Yes

EFSC #8

10 3/4"

4 1/4"

8 1/4"

1 3/4" - 2 1/2"

7 1/2"

Yes

EFSC #9

12 3/4"

4"

9 1/2"

2" - 3"

8 1/2"

Yes

Shaft set-back can vary per coupling. we recommend shortening the shaft once the coupling is received.

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ORDER SECURELY ONLINE
Find the configuration you need, then click "Purchase."

SKU Title Shaft Size Price  
EFSC4 Evolution Flexible Shaft Coupling from 3/4" through 1 1/4" $552.00 Purchase
EFSC5 Evolution Flexible Shaft Coupling from 1" through 1 1/2" $600.00 Purchase
EFSC6 Evolution Flexible Shaft Coupling from 1" through 2" $720.00 Purchase
EFSC8 Evolution Flexible Shaft Coupling from 1 3/4" through 2 1/2" $2,160.00 Purchase
EFSC9 Evolution Flexible Shaft Coupling from 2" through 3" $2,760.00 Purchase

Prices are F.O.B. Rockland, Maine plant. Modifications to standard spool flange are quoted separately.

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