About Us

Engineering the future of fluid solutions

As modern business progress, emerging technologies leave off-the-shelf pumps in the dust. Our clients are reengineering systems overnight and demanding a pump partner who can keep up with their progress. Gorman-Rupp Industries routinely meets these challenges with pumping solutions as unique as your cutting-edge applications. As a result, we have become a company known for market innovations and improvements that continue to set the standards for the pump industry.

Our goal is meet your special needs whether it be modifying a current product or designing a new pump to increase the efficiency, quality or reliability of your products. Our engineering department is structured to quickly evaluate your application and create a solution specific to your needs. Prototype test samples are available to facilitate your product life and chemical compatibility tests. We are constantly searching technological advances in motors, materials and production methods.

Often OEM’s requirements include complete assembly of their final unit. GRI’s customer-driven, turnkey solutions, from smart engineering to the highest quality manufacturing are well established to meet these special needs. This is a complete value package that we are proud to offer.

Count on half a century of fluid innovation

GRI was founded by two engineers, so it is no surprise that engineering drives our success. Our excellent reputation rests on market innovations that continually raise the bar for the pump industry. As a result, GRI holds many patents, with many more patents pending. Because so many applications require specially-designed or custom-built products, our experience is vital to the overall success and cost of your products.

Our leadership rests on an unwavering commitment to innovation, cost-effective manufacturing and superior customer service. Our experienced factory staff and worldwide network of trained representatives have been with us an average of 14.5 years. Many revolutionary pump lines have been introduced over the last 50 years, providing pumping solutions to an incredibly wide and diverse customer base.

Extensive product line offers fluid solutions for OEM’s

GRI has widened its competitive edge with advances in pump technology as well as with the introduction of new products and new product features. Our extensive product line provides pumping solutions to an incredibly wide and diverse customer base.

Bellows Metering Pumps

• Proprietary polypropylene bellows for higher pressures and longer life
• Highly accurate +/-0.05%
• Crank mechanisms allow easy stroke length adjustment
• Global market leader
• Innovator/inventor of Bellows type pumps

Magnetic Drive Pumps

• Specially-designed curved vanes for hydraulic efficiency
• Unique bearing system with “cooling” passages for longer pump life
• Radial magnets for maximum coupling capability
• “Face-to-face” magnets offer compact design

Oscillating Pumps

• Variety of elastomers make it extremely adaptable
• Greater performance flexibility with various outlet valve styles
• Compact and economical

Oscillating Diaphragm Pumps

• Unique, patented duckbill/umbrella valve requires no external sealing, preventing backflow
• No dynamic seals
• High vacuum lift

Centrifugal Pumps

• Polymer material provides excellent chemical resistance
• Minimal wearing surfaces provide long-term, trouble-free performance
• Hydraulic design offers higher overall efficiencies
• Compact size with higher flows

Piston Diaphragm Pumps

• Easily adjustable in the field
• Utilizes GRI’s valving technology to prevent backflow

Peristaltic Pumps

• Handles a wide range of fluid viscosities and corrosive materials
• Tubing material provides long life
• Virtually maintenance-free due to few moving parts

Gear Pumps

• Various gear thickness provides flexible performance
• Polymer materials produce a quieter, chemical-resistant pump
• Motor and gear options provide reversibility

We keep the world’s fluids moving

OEM’s in a wide range of industries rely on GRI for pumps and related equipment used in highly diverse applications. From fuel cells to film processors. From espresso machines to blood analyzing equipment. As these market needs change, we stand ready with the technology, engineering expertise and manufacturing capability necessary to meet these challenges and provide superior pumping solutions to help move the markets into the future.

Medical

GRI’s custom OEM designs, polymer components that offer superior chemical resistance, accuracy and contamination-free designs are successful in applications such as hemodialysis, blood warmers, therapeutic heating and cooling systems and surgical lasers.

Laboratory

Accurate, leak-free, chemical-resistant designed pumps are ideal for lab glassware washers, needle and syringe crushers and water purification.

Food & Beverage

GRI offers quiet, long life, small-packaged, FDA compliant pumps for applications such as juice dispensers, coffee brewers, ice machine makers, commercial ice machine cleaning systems, ice cream machines and glass washers.

Image Reproduction

GRI has been recognized as a world leader in image reproduction. With leak-free, accurate, long life, GRI pumps are uniquely suited for this industry. Applications include processors, chemical blenders, and printing press metering systems, film printers, copiers, x-ray processors and high-end commercial color printers.

Chillers and Coolers

Compact, quiet, leak-free designed pumps are ideal for laser cooling, laser welding machine cooling systems and heat exchangers.

Automotive & RV

GRI offers compact, lightweight, long-life, hydraulically efficient pumps that can handle higher temperatures for the Automotive and RV market.

Spas, Pools & Aquariums

Quiet, low thermal transfer, long-life and leak-free performances are ideal for commercial aquariums and pool and spa water treatment systems.

Analytical Instrumentation

The accurate, chemical resistant pumps that GRI offers in combination with their custom designs makes them ideal for blood analyzing equipment, thermo therapy equipment, sterilizing equipment and waste removal systems.

Fuel Cell

The long-life, leak-free and quiet design of GRI pumps is suitable for various fuel cell technologies.