What is the function of flex couplings in pump systems?

Flex couplings play a critical role in pump systems by assisting in the alignment between the motor and the pump. Proper alignment is essential for the efficient operation of the system, as misalignment can lead to increased wear and tear, vibration, and potential failure of components. Flex couplings allow for angular, parallel, and axial misalignments between the connected shafts, which helps to ensure smooth operation and longevity of the equipment.

While transferring power from the motor to the pump is an important function of the overall coupling, it is the flex aspect that primarily addresses alignment issues. Other options, such as increasing flow rate or reducing noise, may be secondary benefits in some contexts, but they are not the primary function of flex couplings. The main advantage lies in their ability to accommodate and correct misalignments, thereby enhancing the reliability and efficiency of the pump system.