Centrifugal pumps 3" GRUNDFOS SQFlex series 

Category

Centrifugal pumps

Structure

Vertical pump

Operating principle

Drainage pump

Phase

1-phase

Rated voltage

220VAC

Frequency

50Hz

Power

0.35kW, 0.9kW, 2.5kW

Operating fluid

Clean water

Applications

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

Total head

5...40m, 20...70m, 95...215m, 5...20m, 60...150m, 20...100m, 20...80m

Flow rate

0...2.2m³/h, 0...3.8m³/h, 0...1.6m³/h, 0...5.9m³/h, 0...4.5m³/h, 0...8m³/h, 0...10.2m³/h

Max. working pressure

15bar

Discharge outlet connection type

Whitworth thread Rp

Discharge outlet connection size

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

Number of impellers

8, 6, 10, 2, 4, 3

Electrical connection type

Wire Leads

Insulation class

Class F

Cord length

2m

Rotation speed

10700rpm

Material

DIN W.-Nr. 1.4301 (stainless steel), Stainless steel (pump), AISI 316 (pump shaft), Polyamide (impeller), EN 1.4401 (impeller), AISI 316 (motor), DIN W.-Nr. 1.4401 (stainless steel)

Color

Silver

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

5.1kg, 9.7kg, 8kg, 6.5kg, 6.4kg, 6.2kg

Overall diameter

74mm

Overall length

990mm, 861mm, 969mm, 743mm, 942mm, 941mm, 860mm

Degree of protection

IP68