Submersible groundwater pumps (250m max head) GRUNDFOS SQFlex series 

Category

Submersible pumps

Structure

Vertical pump

Operating principle

Drainage pump

Phase

1-phase

Rated voltage

220VAC

Frequency

50Hz

Power

1.4kW, 0.9kW, 2.5kW, 0.35kW

Applications

Domestic booster, Groundwater lowering, Pumping of domestic wastewater from septic tanks and sludge treating systems

Operating fluid

Clean water

Fluid temperature

0...40°C

Total head

10...120m, 80...200m, 20...70m, 95...215m, 5...40m, 90...250m, 5...120m, 60...150m, 30...70m, 20...100m, 2...15m, 10...50m, 20...80m, 5...35m, 5...25m

Flow rate

0...0.6m³/h, 0...3.9m³/h, 0...1.6m³/h, 0...2.2m³/h, 0...1.4m³/h, 0...1.3m³/h, 0...2.9m³/h, 0...4.5m³/h, 0...5m³/h, 0...8.1m³/h, 0...9.1m³/h, 0...9m³/h, 0...10.2m³/h, 0...13.2m³/h, 0...16.9m³/h, 0...24.2m³/h

Max. working pressure

15bar

Discharge outlet connection type

Whitworth thread Rp

Discharge outlet connection size

1", 1-1/4", 1-1/2"

Number of impellers

2, 3, 6, 10, 8, 7, 4

Rotation speed

3600rpm, 10700rpm

Material

Stainless steel (pump), DIN W.-Nr. 1.4301 (pump), AISI 304 (pump shaft), Stainless steel (impeller), EN 1.4301 (impeller), AISI 304 (Impeller), Stainless steel (motor cover), DIN W.-Nr. 1.4301 (motor), AISI 304 (motor), Stainless steel (rotor), DIN W.-Nr. 1.4301 (rotor), AISI 304 (rotor), Stainless steel / EPDM (stator), DIN W.-Nr. 1.4301 (stator), AISI 304 (stator)

Color

Silver

Electrical connection type

Wire Leads

Cord length

2m

Insulation class

Class F

Features

Overheat protection, Reliable and safe , Dry-running protection, High efficiency, Over- and undervoltage protection, Overload protection, Maximum Power Point Tracking, Wide voltage range

Approx. weight

7.6 kg, 7.9 kg, 5.3kg, 10.2kg, 7.8kg, 8.2kg, 5.4kg, 9.5kg, 10.8kg, 8.1kg, 9kg, 6.6kg, 10.6kg, 11kg, 11.2kg

Overall diameter

74mm, 101mm

Overall length

1184mm, 1235mm, 917mm, 861mm, 990mm, 1225mm, 1295mm, 1247mm, 970mm, 968mm, 814mm, 905mm, 993mm, 943mm, 1018mm

Degree of protection

IP68

Representative standard

CE, CN Rohs Exempt, EAC