Product Types


Priming Assisted (Dry Prime) Pumps

Gorman-Rupp’s extensive line of hard-working, dependable priming assisted (dry prime) pumps will tackle everything, including clear liquids, tough solids, and slurry applications.


The Prime Aire® and Prime Aire Plus® venturi priming system offers automatic priming and repriming.
For sewage bypass operations, construction site dewatering and remediation or other applications where intermittent flow can be a problem, these dependable, versatile performers help contractors move large volumes of water rapidly, even when sticks, stones, and debris would normally present a problem.
All of Gorman-Rupp’s priming-assisted (dry prime) pumps are designed and engineered for the most
rugged and demanding construction applications andare backed by an industry leading two year warranty.

dry prime pump (priming assisted)

PA Series® (Prime Aire)

Priming assisted, centrifugal, solids-handling pumps, venturi and compressor priming system for medium to high head contractor and bypass applications


PAH Series® (Prime Aire Plus)

Priming assisted, centrifugal, solids-handling pumps, venturi and compressor priming system for high head/high flow contractor and bypass applications


PA Series Silent Pump

Portable, sound-attenuated pumping systems with solids-handling capabilities


RD & RS Series® (Roto Prime)

Standard centrifugal with integral variable capacity vane pump, end suction pumps for petroleum products


Use Gorman-Rupp's G.R.A.S.P. Pump Selection Program