STO series Auto-Setter Sewage Pump

Power: 1 - 20 HP
Motor: 4 Poles

DESIGNED FOR SEWAGE APPLICATION AND MAINTENANCE SIMPLIFIED BY AUTOMATIC CONNECTING DEVICE.

Submersible raw sewage pump series STO offers reliable and economical pumping of heavily polluted sewage in commercial, industrial and municipal applications. The STO series pump provides excellent wastewater solid handling, and power up to 15 kW (20 hp).

MAINTENANCE SIMPLIFIED BY AUTOMATIC CONNECTING DEVICE

The automatic connecting device performs connection/ disconnection between a pump and piping only by lifting the pump down / up along guide pipes, so the maintenance and inspection work can be done without entering the septic tank.

IMPELLER DESIGN

Design A

Dual-blade semi-open type non-clog impeller.

Design B

Single-blade semi-open type non-clog impeller.

Design C

Dual-blade shrouded type non-clog impeller.

FEATURES

SiC Mechanical Seal

Equipped with double mechanical seals with heat-and-corrosion-resistant silicon carbide to prevent the motor from water infiltration.

fo-type-showfou-submersible-sewage-pump-sketch-drawing

EPOXY Cable Sealing Base

Waterproof cabtyre cable prevent water infiltration, cable ends sealed with epoxy resin, and lead wires are partially tripped off for perfect resin sealing. Triple protection for the motor against water penetration.

Built-in Motor Protector

All FO/STO Series Submersibe Raw Sewage Pump is equipped with a self-reset circle motor protector to avoid over-loading, locking of impeller, and scorch damage to the motor from phase failure.

APPLICATIONS for Submersible Raw Sewage Pump

TypePowerPhaseVoltagePolesDischarge
Dia.
Max
Head
Max
Flow
Solid
Passage
Impeller
Design
Cable
Size x L
Wt.HeightPump
Dia.
50 HzHPkWPHVPinchmmMm3/minmmDSGNmm2 x MkGmmmm
STO-11210.751200-2402250100.42Ф25B1.252 x 630486268
STO-13210.753220-4802250100.42Ф25B1.252 x 630486268
STO-21221.51200-2402380140.72Ф28A3.52 x 1056473518
STO-23221.53220-4802380140.72Ф28A3.52 x 1050372518
STO-33232.23220-4804380141.340x50B3.52 x 1097715580
STO-53253.73220-4804410017253x50B3.52 x 1097740580
STO-7327.55.53220-48044100232.388x46C5.52 x 10152797681
STO-1032107.53220-48044100262.388x46C5.52 x 10172818681
STO-153215113220-48046150224.5117x48C5.52 x 10253817880
STO-203220153220-48046150305117x50C8.02 x 10263901880
TypePowerPhaseVoltagePolesDischarge
Dia.
Max
Head
Max
Flow
Solid
Passage
Impeller
Design
Cable
Size x L
Wt.HeightPump
Dia.
60 HzHPkWPHVPinchmmMm3/minmmDSGNmm2 x MkGmmmm
STO-11210.751200-2402250100.45Ф25B1.252 x 630486268
STO-13210.753220-4802250100.45Ф25B1.252 x 630486268
STO-21221.51200-2402380140.72Ф28A3.52 x 1056473518
STO-23221.53220-4802380140.72Ф28A3.52 x 1050372518
STO-33232.23220-4804380141.440x50B3.52 x 1097715580
STO-53253.73220-48044100182.053x50B3.52 x 1097740580
STO-7327.55.53220-48044100242.488x46C5.52 x 10152797681
STO-1032107.53220-48044100302.688x46C5.52 x 10172818681
STO-153215113220-48046150244.8117x48C5.52 x 10253817880
STO-203220153220-48046150345.0117x50C8.02 x 10263901880

Order Enquiry Form

Contact form description text

  • 6 + 35 =