4 Description of the Pump (Set)
18 of 76
Etaprime L
4.4 Design details
Design
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Volute casing pump
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Back pull-out design
(from size 40-40-140)
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Horizontal installation
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Self-priming
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Single-stage
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Single-entry
Pump casing
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Radially split volute casing
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Volute casing with integrally cast pump feet (from pump size 40-40-140)
Impeller type
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Open multi-channel impeller
Bearings
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Floating bearings: deep groove ball bearings
Shaft seal
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The shaft is fitted with a replaceable shaft sleeve in the shaft seal area (from
pump size 40-40-140).
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Single and double mechanical seals to EN 12756
Bearings used
Table 6:
Standard bearings
Version
Bearing bracket
Rolling element bearing
Pump end
Drive end
Standard bearings
(grease lubrication)
SU 17
3203 C3
6203 2RS
SU 25
6305 2Z C3
6305 2Z C3
SU 35
6307 2Z C3
6307 2Z C3
Standard bearings
(oil lubrication)
SU 17
-
-
SU 25
6305 C3
6305 C3
SU 35
6307 C3
6307 C3
Lubrication:
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Grease lubrication
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Oil lubrication
Drive
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KSB IEC frame standardised IE3 motor (from 0.75 kW)
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230/400 V up to 2.2 kW and 400/690 V from 3 kW
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Winding 60 Hz, 3~ 440-480 V ≥ 2.41 hp (1.80 kW)
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Type of construction B3
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IP55 enclosure
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Thermal class F with temperature sensor, 3 PTC thermistors
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Duty cycle: continuous duty S1
Содержание Etaprime L
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