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Dankoff 2910 Low Speed Booster Pump, 12V
Item code | Brand name | Model number |
DAKFL-2910-12 | Dankoff Solar Pumps | Low Speed 16240-LS-12 |
These pumps are not for use in PV-direct applications. You must either use a battery or AC power to power the pump.**As well, the images show the whole system together. The price above is for the pump only. See addons below for the Install Kit, Filter Assembly etc - all sold separately.
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"Over the last five years, we've found our Flowlight pump to perform impressively. If installed properly and filtered, they are very faithful pumps." --- J.T., Nemia Valley, British Columbia, Canada "Our (Flowlight Booster Pump) has had 2 1/2 years of daily use. I have no complaints at all. It works really fine." --- G.O., Willow, Alaska "It's a delight to be weaned from the generator." ---C.H., Coulterville, California |
Specifications
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Pressure - PSI (kg/sq cm) |
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Flow Rate -
G PM (lpm) |
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Current Draw - AMPS 12V |
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AMPS 24V |
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AMPS 115VAC |
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Watt-Hours Per Gallon (per ltr) Pumped |
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Capacity
* Suction Lift: Low Speed Model
20 vertical feet (6 m); Standard Model 10 Feet (3 m) at sea level -- subtract
1 ft. for every 1000 ft. altitude (1 m for every 1000 m)
Note: Suction capacity may be further limited by intake pipe friction. Excessive
suction causes cavitation (vapor bubbles) creating noise and
excessive wear. Intake piping should be 1 inch or larger. Pump should be mounted
as close to the water source as possible.
Choice of Capacity
* Standard Model for highest flow
* Low Speed Model (DC only) is best if:
- Suction lift greater is than 10 feet
- Intake pipe is smaller than 1-inch size
- Extra-quiet operation is desired
Choice of Voltage
* 12 or 24 Volt DC,
others (inquire)
* 115 Volt AC (low surge PM motor minimizes inverter and wire size)
Construction
* Rotary vane pump
mechanism (pulsation-free)
* Solid forged brass pump body with carbon-graphite and stainless steel working
parts
* NSF® approved for drinking water
* Handles sea water and dissolved minerals
* Survives most freezes
* Permanent magnet, ball bearing DC motor, thermally protected
* Clear flexible hoses and pressure relief valve included
Additional Needs
* Battery-based power
system (12V or 24V) or AC (minimum 300 watt inverter)
* Pressure Tank, captive air type. Minimum size: 40 gallon (150 l). Larger is
better, to reduce cycling and increase reserve capacity.
Available locally.
* Foot valve (if pump is placed
higher than water source)
Filtration Requirement
* The Flowlight Booster Pump CANNOT tolerate dirt. Water must be filtered <10 microns.
Accessories (**These are NOT included -please see Add-ons below or your Sales Rep)
* Intake
Strainer/Foot Valve with fine monel metal screen, stops course debris
* Inline cartridge holder (10-inch) uses standard drinking
water cartridges
* 10" filter cartridges (2 pack ) for above cartridge holder.
* Intake Filter/Foot Valve (30-inch) replaces Intake Strainer
and Inline Filter (10 micron) with a single unit, best for lowering into a shallow
well
* Spare 30" Filter Cartridges (5 or 10 micron spun fiber)
* Easy Installation Kit includes: Pressure Switch, Pressure
Gauge, Check , Drain & Shut-Off Valves, & Tank Tee (manifold)
* Dry Run Switch prevents battery drain and pump damage
if water source
runs dry
Installation
* Pump may be mounted horizontally or vertically.
* Pump must not be submerged
* It may be placed inside a 6-inch (120 cm) or larger well casing, suspended
by a rope. If casing is smaller than 10 inches, request "adapting elbows"
instead of flex hoses
Dimensions
* Length 16.5 in (42 cm)
* Weight 15 lb (7 kg)
* Flexible hose ends have 3/4-in. male pipe thread
Warranty
* 1 year against defects in materials and workmanship. Use of pump without 10 micron or less filter will void warranty.
Surface Pumps Comparison | ||||||||||
Surface pumps for lifting and/or pressurizing water / 1 PSI = 2.307 ft. of | ||||||||||
Surface Pumps | Min Lift (ft) | Max Lift (ft) | Min Lift (PSI) | Max Lift (PSI) | Min GPM | Max GPM | Pump Type | Dirt Tolerant | Filtration Required | Dry-run Tolerant |
Solar Slowpumps 15xxx* |
0 | 440 | 0 | 191 | 0.4 | 4 | rotary vane | N | 10 mic | N |
Solar Slowpumps 14xx and 26xx |
160 | 440 | 69 | 191 | 1 | 4 | rotary vane | N | 10 mic | N |
Flowlight Booster Pumps 16xxx** |
69 | 150 | 30 | 65 | 3 | 4 | rotary vane | N | 10 mic | N |
SunCentric Pumps 7xxx |
0 | 90 | 0 | 39 | 5 | 70 | centrifugal | high | N | Y |
SolarForce PistonPumps 30xx |
0 | 220 | 0 | 95 | 4 | 9 | piston | medium | N | Y |
Solaram Pumps 8xxx |
0 | 960 | 0 | 416 | 3 | 9 | diaphragm | medium | N | Y |
*formerly 13xx and 25xx
**formerly 29xx
Here are some tips from the altE staff
- Why should I get a pressure tank?
- Pressure tanks serve two useful purposes. First, when pumps move water, they tend to create a pulsing effect on the flow. So when you go to turn on your faucet, the water can sort of jiggle back and forth, which can be annoying. A pressure tank eliminates the pulsing effect. The second reason is that the tank reduces the number of on/off cycles of the pump. With a properly sized pressure tank, the tank will be able to handle enough volume of water and pressure such that the pump won't have to turn on every time one turns the water on. For example, one could wash one's hands and the amount of water it would take would only reduce the pressure a slight amount and the pump wouldn't need to turn on. By reducing the amount of on/off cycles for the pump, the life of the pump is extended.
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