Flexible Couplings Basics

A foundational guide to the various types of flexible couplings, the features and correct functioning.

There are a large number of different types of flexible couplings available for use in the pump industry today. Each has its own features and benefits, but all are required to perform three primary functions: connect two shafts, transmit rotary power, and accommodate shaft misalignment. This document outlines pumping industry standard practices to select flexible couplings based on application requirements.