At only 3” in diameter, the Grundfos SQ submersible pump is extremely compact and ideal for small or restricted boreholes. In addition to the features and benefits shared with the renowned SP submersible pump, the SQ offers a number of motor protection and wear-reducing features that makes it the obvious choice for groundwater extraction at domestic or small waterworks, for irrigation systems, or for groundwater lowering.
HOW THE SQ PROTECTS AND REDUCES WEAR VOLTAGE HANDLING
Increased winding temperature caused by undervoltage often results in reduced lifetime. The SQ motor is protected against over and undervoltage, and voltage fluctuation in general.
SOFT START
Soft start ensures a low starting current with a smooth and steady acceleration. This offers excellent starting reliability at low voltage, prevents overload of the mains power, reduces water hammer in the pipe, and reduces pump wear. Low current draw and soft start allows use of smaller gauge wire compared to traditional 4” motors. This can reduce the overall cost of installation.
POWER SUPPLY
Low ampere usage makes it possible to connect more appliances to the same fuse group or reduce the size of the power line. Small generators can be used with SQ. Grundfos recommends the use of a generator with a capacity 50% higher than rated pump power consumption.
DRY RUNNING PROTECTION
The SQ pump is factory pre-set based on minimum power consumption, and dry-running protection is activated 40 seconds after power is connected to allow priming of the pump. When there is no water in the hydraulics, power consumption is reduced. The SQ stops automatically when below the dry run power limit and restarts automatically within 5 minutes after cut-out.
APPLICATIONS:
Grundfos SQ 3" submersible pumps are suitable for both continuous and intermittent operation for a variety of applications:
- Ground water supply – private housing, small waterworks, small irrigation systems
- Liquid transfer in tanks
- Pressure boosting
- Environmental applications – remedial pumping or sampling
DELIVER POWERFUL, RELIABLE OPERATION WITH GRUNDFOS 3” SQ SUBMERSIBLE PUMP
- A lightweight, reliable pump with 20 year performance record
- Easily installed in a 4” well that will no longer accommodate a 4” nominal O.D. pump
- Built in soft start, dry run protection and over/under voltage protection
- Broadest operational voltage range (150 to 280) in the industry - reducing call backs
- Operates like a conventional 2 wire pump
WE STOCK ½ HP 115 VOLT and 230 VOLT MODELS OF 10SQ05-160/230 at DRAINAGE SOLUTIONS, INC.
Questions? Ask Joey at our Greenfield, Indiana location.
Call (317) 894-2210 or e-mail jcollins@drainagesolutionsinc.com.
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