Grundfos SQ7 : 3 Submersible Pump Fixed Speed

SQ pumps are designed for pumping clean, non-aggressive and non-explosive liquids, not containing solid particles or fibres. SQ pumps are suitable for both continuous and intermittent 2 operation for a variety of applications: domestic water supply, small waterworks, irrigation, tank applications or pressure boosting.

Pumps with high efficiency motor and integrated protection against :

• Dry running (automatic restart every 5 minutes)
• Overvoltage and undervoltage, cuts out below 150 Volt and above 315 Volt (up to 6000 Volt)
• Overtemperature
• Overload

Specifications:

Liquid temperature :            +2°C to +35°C (+40°C when flow past motor > 0.15 m/sec)

pH :                                      5 to 9

Starting method :                Integrated soft start for all SQ pumps

Mains supply :                    1 x 200-240 Volt - 10 %/+ 6 % 50/60 Hz

Compete pump material :  Stainless steel AISI 316

Minimum borehole diameter :  Min. 76 mm

Installation depth :         Max. 150 m