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KSB 7,5kW ; 6m³/h ; 25m KWPK 40-315 Edelstahl 1.4593 Duplex

4 Spiral Casing Pumps in Process Design

1 unit has been fully overhauled; bearings in both the pump and the motor are brand new. The mechanical seal has been serviced by a professional specialist. All gaskets have been replaced with new ones.

Pump specifications:
- Flow rate: 6 m³/h
- Delivery head: 25 m
- Pump speed: 1440 rpm
- Shaft seal: Double-acting mechanical seal
- Seal manufacturer: Burgmann HRZ 13754-00
- Seal configuration: SIC/SIC/-CAR/SIC-VITON
- Impeller type: Closed two-channel impeller
- Impeller diameter: 277 mm
- Bearing type: Rolling bearings
- Impeller side: 1x NU411
- Drive side: 2x 7311
- Lubrication (drive side): Oil
- Lubricant monitoring: Oil level regulator

Materials:
- Pump casing: Duplex steel Noridur 1.4593 (9.4460)
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- Wear plate: Duplex steel Noridur 1.4593 (9.4460)
- Discharge cover: Duplex steel Noridur 1.4593 (9.4460)
- Shaft: Tempered steel C45+N
- Impeller: Duplex steel Noridur 1.4593 (9.4460)
- Bearing bracket: Cast iron EN-GJL-250
- Shaft sleeve: Duplex steel 1.4462

Connections:
- Inlet flange nominal bore: DN 80
- Discharge flange nominal bore: DN 40
- Nominal pressure, inlet: PN 10
- Nominal pressure, discharge: PN 10

Coupling:
- Manufacturer: Flender
- Coupling type: Eupex NH with spacer sleeve

Baseplate: Cast iron

Electric Motor:
- Manufacturer: AEG AM 132
- Efficiency class: IE 0
- Motor speed: 1476 rpm
- Frequency: 50 Hz
- Rated voltage: 400 V
- Rated output: P2 7.50 kW
- Thermal class: F
- Degree of protection: IP55
- Power factor cosφ: 0.82

Dimensions:
- Length: 1270 mm
- Width: 550 mm
- Height: 570 mm
- Weight: 300 kg

Properties of material 1.4593 Noridur:
Excellent for use in:
- Chemical and process industries
- Sulphuric and phosphoric acid applications
- Salt extraction and processing
- Petrochemical industry
- Coke plants
- Textile and pulp industries
- Food and sugar industries
- Mining/coal extraction and handling
- Flue gas desulphurisation plants
- Acidic, chloride-laden wash suspensions
- Acidic process waters
- Wastewater treatment/sewage plants
- Offshore and marine engineering

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