SPU4-02-07, 0.37kW Borehole Pump (*)

Wilo‐Xiro SPU Stainless Steel – Composite Features – Long life – High efficiency – High durability and solid construction – Easy service operation – Suitable for connection at NEMA standard – Water lubricated rubber bearing – Built-in check valve to prevent back flow General information – Wilo submersible SPU pumps can also be used horizontally. – Rubber bearings are water lubricated and have sand channels to make enable the sand particles leave the pump with the pumped liquid. – The stainless steel strainer prevents particles over a certain size from entering the pump. – Nominal Diameter (4=4inch) – Pump type (SPU =Wilo submersible composite pump) Part list (see drawing) No Part name Material 1 Discharge Stainless steel 304 2 Valve Casing Stainless steel 304 4 Valve cone Stainless steel 304 6 Valve retaining ring Stainless steel 304 9 Adapter ring Glass filled Polycarbonate 10 Bearing holder Glass filled Polycarbonate 12 Diffuser Glass filled Polycarbonate 13 Bowl Stainless steel 304 18 Impeller Noryl 24 Stop ring Stainless steel 304 34 Strainer Stainless steel 304 36 Nema Motor adapter Stainless steel 304 40 Pump shaft / coupling Stainless steel 304 41 Shaft retaining ring Stainless steel 304 42 Shaft sleeve Stainless steel 304 48 Casing Stainless steel 304 52 Cable guard Stainless steel 304 86 O ring NBR 87 O ring NBR 88 Screw Stainless steel 304 89 Coupling Washer Stainless steel 304 90 Bearing Polyacetal 92 Stop ring Washer Stainless steel 304 Due to continuous improvement in design, we reserve the right to amend specifications or data without prior notice.