Grundfos Centrifugal Pump CR20 Vertical In-line 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 1-phase, fan-cooled asynchronous motor.
APPLICATION :
Grundfos Centrifugal Pump CR20 Vertical multistage pump can be used for Irrigation, Industrial cooling, Desalination, Industrial heating, Machining, Process liquids transfer, Industrial process water treatment, Industrial cleaning process, Industrial water supply and transfer, Industrial wastewater treatment and reuse, Solar water solutions, Solar Controls & Digital Water Management, Solar Water Treatment Fertigation and Dosing, Surface water intake, Community water supply, Community solar solutions, Municipal solar solutions, Water distribution
TECHNICAL DATA :
- 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: 2789 rpm
- Rated flow: 21 m³/h
- Rated head: 9.5 m
- Pump orientation: Vertical
- Shaft seal arrangement: Single
- Installation:
- Maximum ambient temperature: 40 °C
- Maximum operating pressure: 16 bar
- Max pressure at stated temp: 16 bar / 120 °C
- Type of connection: DIN
- Size of inlet connection: DN 50
- Size of outlet connection: DN 50
- Pressure rating for connection: PN 25
- Electrical data:
- Motor standard: IEC
- Motor type: 90SE
- Rated power – P2: 1.1 kW
- Power (P2) required by pump: 1.1 kW
- Over/undersize motor: Standard motor size
- Mains frequency: 50 Hz
- Rated voltage: 1 x 220-230 V
- Rated current: 6.60-6.30 A
- Starting current: 470-550 %
- Cos phi – power factor: 0.99
- Rated speed: 2880-2890 rpm
- IE Efficiency class: IE2
