4 Description of the Pump (Set)
16 of 62
Etanorm V
1228.87/01-EN
4.5 Design details
Design
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Volute casing pump
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For vertical installation in closed tanks under atmospheric pressure
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Single-stage
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Ratings to EN 733
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Rigid connection between pump and motor
Pump casing
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Radially split volute casing
Stainless steel variant / grey cast iron variant for design with shaft unit WS 55:
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Volute casing with integrally cast pump feet
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Replaceable casing wear rings
Drive
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KSB surface-cooled IEC three-phase current squirrel-cage motor
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Type of construction IM V1
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Rated voltage (50 Hz) 220-240 V / 380-420 V ≤ 2.20 kW
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Rated voltage (50 Hz) 380-420 V / 660 - 725 V ≥ 3.00 kW
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Rated voltage (60 Hz) 440-480 V ≤ 2.60 kW
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Rated voltage (60 Hz) 440-480 V ≥ 3.60 kW
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Enclosure IP55
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Thermal class F with temperature sensor, 3 PTC thermistors
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Duty type: continuous duty S1
Contact guard
Design D:
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Cover plates at bearing lantern to EN 294
Design W:
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Cover plates at drive lantern to EN 294
Shaft seal
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Controlled gap
Impeller type
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Closed radial impeller with multiply curved vanes
Bearings
Design D:
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Deep groove ball bearings greased for life in a bearing lantern above the cover
plate, pump shaft cantilevered below the cover plate
Design W:
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Product-lubricated SiC/SiC plain bearing (pump end), rigid coupling between
pump shaft and motor shaft
Automation
Automation options:
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PumpDrive
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KSB SuPremE
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Efficiency class IE4/IE5 to IEC TS 60034-30-2:2016
Содержание Etanorm V
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