Steven Levy Enterprises buys and sells new, unused, and used industrial surplus progressive cavity pumps. Browse our inventory of used progressive cavity pumps available for purchase. Progressive Cavity Pump is an extremely versatile pump specially designed for abrasion resistance in tough pumping applications. Progressive cavity pumps are used when the liquid has a higher viscosity, or thickness, than water. Tell us what surplus progressive cavity pumps you have for sale or call us at 713-910-4337.