RD & RS Series® (Roto Prime)

Roto Prime® self-priming centrifugal pumps are specifically designed for pumping petroleum products, petrochemicals and solvents. They are available as straight centrifugal pumps or with the exclusive Roto Prime design. This design incorporates a variable capacity vane pump that quickly and automatically evacuates air and vapor, making them ideal for off loading transports and stripping hoses.

Size 2" (50 mm), 3" (80 mm), 4" (100 mm), 5" (125 mm)
Max Capacity 1460 GPM (92 lps)
Max Head 390' (119 m)
Max Solids 0-1/2" (13 mm)
Max Temperature 160 F (71 C)
Materials of Construction Cast Steel, Ductile Iron
Item Size Seal Suction Discharge
RD2A31-B 3 x 2 Carbon/Ni-Resist 3 2
RD2A31-BAR 3 x 2 Carbon/Ni-Resist 3 2
RD3A31-B 4 x 3 Carbon/Ni-Resist 4 3
RD3A31-BAR 4 x 3 Carbon/Ni-Resist 4 3
RD3A32-B 4 x 3 Carbon/Ni-Resist 4 3
RD3A32-BAR 4 x 3 Carbon/Ni-Resist 4 3
RD4A31-B 6 x 4 Carbon/Ni-Resist 6 4
RD4A31-BAR 6 x 4 Carbon/Ni-Resist 6 4
RD4A32-B 6 x 4 Carbon/Ni-Resist 6 4
RD4A32-BAR 6 x 4 Carbon/Ni-Resist 6 4
RS2A31-B 3 x 2 Carbon/Ni-Resist 3 2
RS2A31-BAR 3 x 2 Carbon/Ni-Resist 3 2
RS2A32-B 3 x 2 Carbon/Ni-Resist 3 2
RS2A32-BAR 3 x 2 Carbon/Ni-Resist 3 2
RS3A31-B 4 x 3 Carbon/Ni-Resist 4 3
RS3A31-BAR 4 x 3 Carbon/Ni-Resist 4 3
RS3A32-B 4 x 3 Carbon/Ni-Resist 4 3
RS3A32-BAR 4 x 3 Carbon/Ni-Resist 4 3
RS5A31-B 6 x 5 Carbon/Ni-Resist 6 5
RS5A31-BAR 6 x 5 Carbon/Ni-Resist 6 5
RS5A32-B 6 x 5 Carbon/Ni-Resist 6 5
RS5A32-BAR 6 x 5 Carbon/Ni-Resist 6 5