Grundfos Vertical, multistage centrifugal pump (CR 20-3 ) 7.5 HP
Item Specifics
CR 20-3 A-A-A-E-HQBE
Vertical, multistage centrifugal pump with suction and discharge ports on the same level. The pump head and base are in cast iron – all other wetted parts are in stainless steel (EN 1.4301)
Product name
CR 20-3 A-A-A-E-HQBE
Product No
97842043
EAN number
5710625596615
Technical
Pump speed on which pump data are based
3526 rpm
Rated flow
25.3 m³/h
Rated head
49.8 m
Maximum head
63.3 m
Stages
3
Impellers
3
Number of reduced-diameter impellers
0
Low NPSH
N
Pump orientation
Vertical
Shaft seal arrangement
Single
Code for shaft seal
HQBE
Approvals
CE,EAC,UKCA,SEPRO
Approvals for drinking water
WRAS
Curve tolerance
ISO9906:2012 3B
Pump version
A
Model
A
Materials
Base
Cast iron
EN 1561 EN-GJL-200
ASTM A48-25B
Impeller
Stainless steel
EN 1.4301
AISI 304
Material code
A
Code for rubber
E
Bearing
SIC
Installation
Maximum ambient temperature
60 °C
Maximum operating pressure
10 bar
Max pressure at stated temp
10 bar / 120 °C
10 bar / 0 °C
Type of connection
Oval / Rp
Size of inlet connection
2 inch
Size of outlet connection
2 inch
Pressure rating for connection
PN 10
Flange size for motor
FF265
Connect code: A
Liquid
Pumped liquid
Water
Liquid temperature range
0 .. 120 °C
Selected liquid temperature
20 °C
Density
998.2 kg/m³
Electrical data
Motor standard
IEC
Motor type
132SC
Rated power – P2
5.5 kW
Power (P2) required by pump
5.5 kW
Mains frequency
60 Hz
Rated voltage
3 x 220-277D/380-480Y V
Rated current
18,4-16,2/10,6-9,30 A
Starting current
1020-1480 %
Cos phi – power factor
0.90-0.80
Rated speed
3510-3550 rpm
IE Efficiency class
NEMA Premium / IE3 60Hz
Motor efficiency at full load
89.5 %
Motor efficiency at 3/4 load
90.3-89.9 %
Motor efficiency at 1/2 load
89.9-87.9 %
Number of poles
2
Enclosure class (IEC 34-5)
55 Dust/Jetting
Insulation class (IEC 85)
F
Built-in motor protection
PTC
Motor No
Controls
Frequency converter
None
Others
Terminal box position
6
Minimum efficiency index, MEI ≥
0.70
Net weight
87 kg
Gross weight
109 kg
Shipping volume
0.234 m³
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