STO Type Auto-Setter Industrial Sewage Pump

DESIGNED FOR SEWAGE APPLICATION AND MAINTENANCE SIMPLIFIED BY AUTOMATIC CONNECTING DEVICE
Power: 1 - 20 HP
Motor: 4 Poles

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.

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 type Sewage Pumps are 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

  • Effluent pumping in industrial wastewater treatment plants.
  • Sewage wastewater and solid treatment in various factories and building sites.
  • Food processing factory.
  • Confined livestock feeding industry.
  • Pulp and paper factory.
  • Residential houses.
  • Restaurants and shops.
  • Markets and supermarkets.
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

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