Grundfos Vertical Multistage CR 20-1 , 3x415V

Product Description

CR 20-1 A-F-A-E-HQQE

Vertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). The pump head and base are in cast iron – all other wetted parts are in stainless steel. A cartridge shaft seal ensures high reliability, safe handling, and easy access and service. Power transmission is via a rigid split coupling. Pipe connection is via DIN flanges. The pump is fitted with a 3-phase, fan-cooled asynchronous motor.

LIQUID:
Pumped liquid: Water
Liquid temperature range: -20 .. 120 °C
Selected liquid temperature: 20 °C
Density: 998.2 kg/m³

TECHNICAL:
Pump speed on which pump data are based: 2853 rpm
Rated flow: 350 l/min
Rated head: 9.9 m
Pump orientation: Vertical
Shaft seal arrangement: Single
Code for shaft seal: HQQE
Approvals: CE,EAC,UKCA,SEPRO
Approvals for drinking water: WRAS,ACS
Curve tolerance: ISO9906:2012 3B

MATERIALS:
Base: Cast iron
EN 1561 EN-GJL-200
ASTM A48-25B
Impeller: Stainless steel
EN 1.4301
AISI 304
Bearing: SIC

INSTALLATION:
Maximum ambient temperature: 60 °C
Maximum operating pressure: 16 bar
Max pressure at stated temp: 16 bar / 120 °C
16 bar / -20 °C
Type of connection: DIN
Size of inlet connection: DN 50
Size of outlet connection: DN 50
Pressure rating for connection: PN 25
Flange size for motor: FT100

ELECTRICAL DATA:
Motor standard: IEC
Motor type: 80C
Rated power - P2: 1.1 kW
Power (P2) required by pump: 1.1 kW
Mains frequency: 50 Hz
Rated voltage: 3 x 220-240D/380-415Y V
Rated current: 4.35/2.50 A
Starting current: 450-500 %
Cos phi - power factor: 0.83-0.76
Rated speed: 2840-2870 rpm
IE Efficiency class: IE3
Motor efficiency at full load: 82.7-82.7 %
Motor efficiency at 3/4 load: 84.6-84.0 %
Motor efficiency at 1/2 load: 85.4-82.8 %
Number of poles: 2
Enclosure class (IEC 34-5): 55 Dust/Jetting
Insulation class (IEC 85): F
Motor No: 85U05105

CONTROLS:
Frequency converter: NONE

OTHERS:
Terminal box position: 6
Minimum efficiency index, MEI ?: 0.70
Net weight: 42 kg
Gross weight: 55 kg
Shipping volume: 0.173 m³
Danish VVS No.: 385905310
Swedish RSK No.: 5823485
Finnish LVI No.: 4925444

DOWNLOADS :

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