Submersible shredder pump for wastewater

Application:
'DG' series submersible grinder pump have been designed for economical and reliable pumping of sewage from commercial, industrial or civil sources.

It is suitable for clear and waste water, and for medium contains fibrous material.

The pump can be installed in automatic type thanks to quick separate pedestal or portable style.

Motor:
Squirrel cage motor, single or three phase, 50 / 60Hz various voltage available
Insulation class F=155℃, IP 68 protection
Max. medium temperature in continuous operation: +40oC

Motor Protection:
Each phase of stator is connected with temperature switch. This can protect motor against overheat.
Also leakage sensor is employed in oil chamber and junction box.
Water-tight proof inlet for cable entrance

Mechanical Seal:
The pump has one set mechanical seal, located in volute side. And one lip seal between motor chamber and oil chamber. Impeller:
'DG' pump has multi channel impeller, strictly static and dynamic balance checked.

Stationary and Rotor Cutter:
For 'DG' series sub-grinder pump, it has equipped with stationary and rotor cutter before impeller. This device with hardened steel material and good tear capability can enable the plastic, fibrous etc to be tear in piece and pumped smoothly.

Materials:
Motor casing ---- GG25
Volute ---- GG25
Impeller ---- GG25
Rotor shaft ---- SS420
Nuts & Bolts ---- SS304
Mechanical seal ---- Lower: SiC/SiC
Bearing ---- Lubricated for maintenance -
free ball bearing
Stationary cutter ---- Hardened alloy steel Rcokwell C
58-62
Rotor cutter ---- Hardened alloy steel Rcokwell C
58-62

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