EJECTOR PUMP GRUNDFOS CR 5-11DW 2,2KW 3-VAIH

Grundfos CR-DW jet pumps are suitable for borehole or open well applications when the required suction depth exceeds 8 meters. Requires a separately sold jet.

Vertical, multistage centrifugal pump with inlet and outlet connections on the same level (in-line). Pump head and casing are made of cast iron. All other wet parts are stainless steel. The cartridge-type shaft seal is reliable, safe to handle, and easy to maintain. Power transmission is achieved via a clutch.

Technical data

• Pump speed based on pump data: 2898 rpm
• Rated flow rate: 5.8 m³/h
• Rated head: 26.7 m
• Maximum head: 34.6 m
• Stages: 11
• Impellers: 11
• Pump orientation: vertical
• Shaft seal design: single
• Approvals: CE, EAC, UKCA, SEPRO
• Performance curve tolerance: ISO9906:2012 3B
• Base material: cast iron
• Maximum allowable operating pressure: 16 bar
• Maximum pressure at given temperature: 16 bar / 120 °C & 16 bar / -20 °C
• Connection type: Oval / Rp
• Suction port size: 1 1/4 inch
• Discharge port size: 1 1/4 inch
• Connection pressure class: PN 16
• Clutch size: FT115
• Pumped fluid: water
• Fluid temperature range: -20 .. 120 °C
• Fluid temperature during operation: 20 °C
• Density: 998.2 kg/m³
• Motor standard: IEC
• Pump power requirement (P2): 2.2 kW
• Minimum efficiency index (MEI ?): 0.57
• Net weight: 41.9 kg
• Gross weight: 62.9 kg
• Shipping volume: 0.234 m³

This product description is an automated translation of the original Finnish description.