Rainbow’s line of heavy duty Tractor P.T.O. driven centrifugal pumps are the result of over 40 years of pump experience. These tough and reliable pumps may be coupled quickly to a conventional 540 RPM tractor power take-off with a 1 3/8 inch, six-tooth spline, or 1000 RPM take-off with a 1 3/8 inch, 21-tooth spline.
The capabilities of these pumps range from 250 to 2100 GPM and from 90 to 200 PSI. Heavy Duty Steel frames in Category II and III – 3 point hitch or two wheel trailer with 4.80″ x 12″ tires, P.T.O. drive shaft, a heavy duty gearbox with expansion chamber, and a mechanical shaft seal. The Gear Box is rated for up to 175 HP load available in 540 or 1000 RPM drives.
Rovatti centrifugal pumps are connected to the tractor by a universal joint and mounted on a heavy duty trolley or 3 point hitch. These pumps are the result of many years experience which has mad them nearly trouble free and trustworthy to a maximum.
They are constructed of high quality cast iron with an overgear gearbox which is oil lubricated and a unique water circulation cooling. The construction permits very long life of the mechanical parts even when operating for long periods of time in critical environmental conditions.