The following information ought to be supplied to when putting an order to make sure the right choice of the disc coupling:
Application and sort of duty
Kind of driver (engine, motor, turbine, and so forth.)
Speed and horsepower
Style of driven
Shaft sizes and separation
Room limitations for main diameter and length
Kind of match (Interference fit default, clearance fit and shaft locking gadget planning obtainable upon request)
Unique specifications (vertical mounting, drop out center, flange mount, electrically insulated, API-610 as much as three,800 RPM, shear pins, balancing, etc.)
Angular misalignment, axial misalignment, and rated torque are all relevant to the coupling’s capability to accommodate application torque over any period of time. As illustrated while in the following charts, when the application torque increases to 50% in the 
coupling capacity, the potential on the coupling to accommodate angular misalignment to is diminished. Precisely the same holds genuine for the capability to accommodate axial misalignment.
Selection Process
one. Select the coupling style.
two. Select the driven machine service element SFA
3. Select the driving machine support factor SFD
Care really should be taken once the driving machine is other than a normal electric motor or turbine. Some engines will impose further fluctuations to the drive process and allowance must be created accordingly. A torsional coupling could be needed for diesel drives.
