Variable torque applications often involve pumps and fans. However, a distinction has to be made in the case of pumps. Although the most popular types of centrifugal pump have a quadratic torque (variable torque) characteristic, eccentric, vacuum or positive displacement…
Some companies have a policy of torqueing motor hold down bolts to set prescribed value. While this may be a regulation in some industries, or required on specific types of machines, it really has little to do…