While centrifugal pumps have been the first choice, screw pumps have their own advantages.
by Josh Pepper & Michael Moore
September 5, 2018

While screw pumps may have a higher purchase price than centrifugal pumps, it is best to remember this old bromide: “you can pay me now or you can pay me later.”

Cost aside, the main operational advantages that screw pumps have include the ability to handle a wider window of fluid viscosities at higher rates and pressures, reduced energy consumption and no BEP to dial in. These advantages make them poised to become a more efficient, reliable, versatile and economical alternative in critical chemical processing fluid-transfer applications.