Continental Progressing Cavity Pumps have been time tested and proven unique characteristics that make them advantageous in performance over all other kinds of Pumps. They are built of various materials in many sizes with capacities form less than one gpm to over 500 gpm and pressure to 450 psi. Please see the chart below.
The famed and proven simple principle of a helical screw rotor-ONLY ONE MOVING PART- turning in a tough rubber stator provides positive displacement, is self-priming to as much as 28 feet of suction lift, has high reserve pressure, low internal turbulence, continuing uniform flow and freedom from air locking.
John Crane is a global leader in the design, development and manufacture of products and services for the world’s process and industrial markets. With a history that stretches back over 95 years, our company has progressed from its roots as a packing manufacturer to become a world-leading supplier of mechanical seals, seal support systems, power transmission couplings and packing.