Sulzer submersible mixer XRW 650

Compact submersible mixer, designed to achieve an optimum flow pattern in a wide range of mixing and stirring applications, in large tanks and open waters.

Construction

The submersible mixer is designed as a compact, water-pressure-tight unit, including propeller and integrally casted installation bracket for attachment to a square guide tube.

Motor

Premium Efficiency, IE3 equivalent, sensorless permanent-magnet motor with high overload capacity; 50 Hz; 24-pole, 400 V* using variable frequency drive (VFD) control.

Protection type IP 68, with stator insulation Class F. Start-up: variable frequency drive (VFD). Max. submergence 20 m. * other voltages available

Propeller

Technically optimized, axially operating 3-blade propeller, designed to achieve high thrust and therefore a high flow capacity in an axial direction. The propeller is self-cleaning and so ensures vibration-free operation.

Solids deflection ring

Enhanced solids deflection ring design. The patented solids deflection ring protects the mechanical seal from damage by ingress of solid or fibrous matter.

Bearings

All bearings are lubricated-for-life and maintenance-free, with a calculated lifetime of more than 100,000 h.

Shaft sealing

Sic-Sic, covered mechanical seal at medium side. NBR O-rings and lip seals.

Seal monitoring

DI-system with sensors in the oil**, motor and cable connection chambers.

Temperature monitoring

PTC thermistor in the stator which opens at 140 °C.

Cable

10 m sewage-resistant, EMV-FC S1BC4N8-F ..G.. 0,6/1 kV. Optional lengths (m): 15, 20, 30, 40, 50.

System data

Mixer performance

*with flow ring

Materials