STO 全鑄鐵污物泵浦含著脫裝置

STO type Submersible Raw Sewage Pump with auto-guide rail kit.

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-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

SPECIFICATIONS (50Hz)

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 636465584
STO-13210.753220-4802250100.42Ф25B1.252 x 636465584
STO-21221.51200-2402380140.72Ф28A3.52 x 1078618693
STO-23221.53220-4802380140.72Ф28A3.52 x 1074515693
STO-33232.23220-4804380141.340x50B3.52 x 10115721755
STO-53253.73220-4804410017253x50B3.52 x 10122746755
STO-7327.55.53220-48044100232.388x46C5.52 x 10177803899
STO-1032107.53220-48044100262.388x46C5.52 x 10197824899
STO-153215113220-48046150224.5117x48C5.52 x 103029761019
STO-203220153220-48046150305117x50C8.02 x 1031210061019

PERFORMANCE CURVES

STO series Submersible Raw Sewage Pump, 50Hz Performance Curve

SPECIFICATIONS (60Hz)

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 636465584
STO-13210.753220-4802250100.45Ф25B1.252 x 636465584
STO-21221.51200-2402380140.72Ф28A3.52 x 1078618693
STO-23221.53220-4802380140.72Ф28A3.52 x 1074515693
STO-33232.23220-4804380141.440x50B3.52 x 10115721755
STO-53253.73220-48044100182.053x50B3.52 x 10122746755
STO-7327.55.53220-48044100242.488x46C5.52 x 10177803899
STO-1032107.53220-48044100302.688x46C5.52 x 10197824899
STO-153215113220-48046150244.8117x48C5.52 x 103029761019
STO-203220153220-48046150345.0117x50C8.02 x 1031210061019

PERFORMANCE CURVES

STO series Submersible Raw Sewage Pump, 60Hz Performance Curve

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