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Rainbow Pumps – CFS Irrigation Supply
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Rainbow Pumping Units

Rainbow R Prime

We are pleased to offer a complete line of Rainbow R-Prime Series continuous priming centrifugal pumps with dry-run capabilities for the construction, mining, municipal, industrial and environmental markets. The R-Prime Series are available with diesel engines for both mobile and stationary applications.

The R-Prime Series serves a wide variety of applications from dewatering a construction site to sewage bypass systems or other applications where intermittent flow can be a problem.

  • Close coupled centrifugal pump with vacuum priming compressor mounted to a diesel engine. Also available electric motor driven.
  • All cast-iron construction with ductile iron impeller and wear plate.
  • Solids handling capabilities to 3″ (75mm). Will handle a variety of materials.
  • Exclusive Rainbow continuous priming system designed with simplicity in mind.
  • Dry run capabilities with double oil lubricated pump seal.
  • Available with skid mount integral fuel tank in 100 gallon or 130 gallon capacity and industrial strength off road or highway DOT trailer.
  • Available in a variety of diesel engine options.
  • Available with many accessory options including Auto Start controllers.