Grundfos Pump CR 3 - 12
Multistage vertical centrifugal pumps with suction and discharge ports at the same level (parallel) allow installation in a horizontal one-pipe system. The pump head and base are made of cast iron– all parts that come into contact with the liquid are made of satinless steel. Cartridge shaft seals ensure high reliability, safe handling and easy service and access. Power transmission via split clutch. Pipe connection through oval flange with internal thread.
The pump is equipped with a fan-cooled 3-phase asynchronous motor.
Fluid
Pumped liquid: Water
Liquid temperature range : -20 - 120 °C
Technical
Speed for pump data : 2853 rpm
Rated flow : 3 m³/h
Head value : 57 m
Shaft seal: HQQE
Approval on nameplate : CE,TR
Ingredients
Pump housing : Cast iron
EN-JL1030
ASTM A48-30 B
Impeller: Stainless steel
DIN W.-Nr. 1.4301
AISI 304
Installation
Maximum ambient temperature : 60 °C
Maximum pressure at specified temperature : 16 bar / 120 °C
16 bar / -20 °C
Flange standard: OVAL
Pipe connection : Rp 1
Flange size for motorcycle: FT100
Electrical data
Motor type: 80C
IE Efficiency Class : IE3
Number of poles : 2
Rated power - P2 : 1.1 kW
Power (P2) required by the pump : 1.1 kW
1.1 kW
Power frequency : 50 Hz
Rated voltage : 3 x 220-240 D/380-415 Y V
Rated current : 4.35/2.50 A
From now on : 450-500%
Cos phi - power factor : 0.83-0.76
Rated speed: 2840-2870 rpm
IE efficiency : IE3 82.7%
Enclosure class (IEC 34-5): 55 (Water/dust jet protection)
Insulation class (IEC 85): F
other
Label : Grundfos Blueflux
Minimum efficiency index, MEI : 0.7
Net weight: 26.6 kg
Gross weight: 29.4 kg
Shipping volume : 0.06 m3