Rotary Gear Pumps

Our rotary gear pumps are designed to provide performance no other gear pumps can match. Available in medium duty, heavy duty and extreme duty models - in cast iron, cast steel and stainless steel. This series of pumps is versatile enough to handle virtually any pump application and liquid type. Patented features enable our rotary gear pumps to perform better and last longer in countless applications, providing quality and reliability that makes them the premier gear pumps in the industry.

The GHS Series of iron, high capacity pumps is designed for continuous duty service for applications in the operating ranges noted. The units are ideal for bulk handling both thin and viscous liquids. For temperature control, backhead and housing jackets are standard; head jackets are available. Also available are carbon graphite bushings for low viscosity liquids, silicon carbide bushings for wear resistance, and numerous seal options. This heavy duty series provides superior rotor shaft support and an integral, maintenance-free radial/thrust bearing, for reduced deflection and wear.

The GHC Series of iron, steel and stainless steel pumps is designed for continuous duty service for applications in the operating ranges shown. These units are available with head jackets for temperature control, carbon graphite bushings for low-viscosity liquids, silicon carbide bushings for wear resistance, and numerous seal options. The GHC Series units may be foot-mounted or, by using a motor adapter, direct connected to NEMA "C" flange motors. This heavy-duty series provides superior rotor shaft support and an integral, maintenance-free radial/thrust bearing for reduced deflection and wear.

The GHA Series is designed for continuous duty service for applications in the operating ranges noted. These units are available with head and backhead jackets for temperature control, along with packing or mechanical seal options. This abrasive handling, extreme duty series, provides superior wear resistance. The design also provides superior rotor shaft support and an integral, maintenance-free radial/thrust bearing for reduced deflection and wear. Reduced speeds enable service over extended periods.

The GMC Series is designed for intermittent or medium duty service for applications in the noted operating ranges. Directly connecting to other pieces of equipment provides an extremely compact system design. The six sizes of Gorman-Rupp close-coupled pumps connect to standard NEMA "C" flanges. Rotor shaft bores accept standard motor shafts; 5/8" standard (7/8", 1 1/8" and 1 3/8" are optional). Metric couplings are also available. At synchronous speeds, extra drive equipment, including couplings or outboard bearings, are not required. For continuous duty service, or for handling viscous liquids, see the heavy duty GHC section.

The GMS Series is designed for intermittent or medium duty service for applications in the operating ranges noted. These units are available with head and backhead jackets for temperature control, carbon graphite bushings for low viscosity liquids, silicon carbide bushings for wear resistance. For continuous duty service, or for handling viscous liquids, see heavy duty GHC pumps