Approach
S-Flex Coupling Variety Course of action
The choice process for identifying the appropriate S-Flex coupling needs employing the charts proven on the following pages. You will discover three elements to become selected, two flanges and 1 sleeve.
Information essential 
prior to a coupling is often selected:
HP and RPM of Driver or running torque
Shaft dimension of Driver and Driven gear and corresponding keyways
Application or gear description
Environmental circumstances (i.e. severe temperature, corrosive circumstances, room limitations)
Techniques In Picking An S-Flex Coupling
Step one: Decide the Nominal Torque in in-lb of your application by utilizing the following formula:
Nominal Torque = (HP x 63025)/RPM
Phase 2: Making use of the Application Service Factor Chart one decide on the service issue which best corresponds for your application.
Step 3: Determine the Design and style Torque of one’s application by multiplying the Nominal Torque calculated in Step one from the Application Support Issue established in Phase two.
Design Torque = Nominal Torque x Application Services Element
Phase four: Using the Sleeve Efficiency Data Chart two select the sleeve materials which finest corresponds to your application.
Stage 5: Working with the S-Flex Nominal Rated Torque Chart three find the acceptable sleeve materials column for your sleeve selected in Stage 4.
Stage 6: Scan down this column for the 1st entry the place the Torque Worth in the column is higher than or equal to the Style and design Torque calculated in Phase three.
Refer to your greatest RPM worth of your coupling size to be sure the application needs are met. When the highest RPM value is much less compared to the application requirement, S-Flex couplings will not be advised for your application.
Note:
If Nominal Torque is significantly less than 1/4 with the coupling’s nominalrated torque, misalignment capacities are lowered by 1/2. When torque worth is found, refer towards the corresponding coupling dimension within the initial column from the S-Flex Nominal Rated Torque Data Chart three .
Phase 7: Evaluate the application driver/driven shaft sizes for the highest bore dimension available within the coupling picked. If coupling max bore is not massive sufficient for the shaft diameter, decide on the subsequent greatest coupling that should accommodate the driver/driven shaft diameters.
Step eight: Employing the Item Assortment tables, locate the proper Keyway and Bore dimension demanded and find the number.
