Stainless steel drainage pumps with jacket cooling
CHARACTERISTICS
Submersible pumps for clear and drainage water – CR 253
APPLICATION
For irrigation and drainage in clear or drainage water. Cellar drainage, pumping water from sumps, pits and rooms. Also suitable for pumping discharge from hand basins, showers and washing machines, for flood relief and water removal from water courses or reservoirs.
SPECIFICATIONS
Spherical clearance | Max. flow |
10 mm | 10,0 m³/h |
Discharge size | Motor power P1 |
G 1¼ F | 0,53 kW |
Max. head | Motor power P2 |
8 m | 0,34 kW |
INSTALLATION
Permanent or transportable. Model with float switch control for automatic pump operation, depending on liquid level in the sump. Guided float switch, adjustable switch level.
MATERIALS
Motor housing, pump housing, screws, suction sieve (Stainless steel) Rotor shaft (Stainless steel partially ceramic coated) Impeller (Composite) Seal kit (NBR)
PUMPED LIQUID
Clear water or drainage water containing soft solids up to 10 mm spherical clearance. Max. liquid temperature: 35°C, short term up to 60°C.
MOTOR
Fully submersible, pressure tight electric motor. Stainless steel motor and pump housing. Insulation class F. Motor protection IPX 8. Thermal sensors imbedded in the motor winding. Rotor shaft from stainless steel with ceramic coated sealing surface, pre-lubricated bearings.
FEATURES
The water jacket cooled motor with the top discharge protects the motor against overheating even during sip operation.
IMPELLER
Impeller of the CR 253 series.
For optimum adaptation to the pump medium and operating conditions.
OPEN MULTI-CHANNEL IMPELLER
For dirty and muddy media with solids.
