Dankoff Pump, Flowlight Booster, 2930-48 48VDC 1/2HP Standard

Dankoff Pump, Flowlight Booster, 2930-48 48VDC 1/2HP Standard

Model: 075-04124

Brand: Dankoff Solar

Price:  $1,699.00 


Dankoff Pump, Flowlight Booster, 2930-48 48VDC 1/2HP Standard
 

The Flowlight Booster Pumps provide "town pressure" for off-grid home water supplies. They have longer life, greater flow rates and quieter operation than diaphragm pumps, and use about half the energy consumed by an AC jet-pump running on an inverter.

The Flowlight needs to have clean water to prevent damage to the pump head, and can also be damaged by running dry. The optional filter and Dry-Run Switch are highly recommended. To make installation easier, flexible hose connectors with ¾" threaded adaptors are included.

A minimum 40 gal. pressure tank, available at any local plumbing supply store, is required for all Flowlight installations. The larger the tank size, the more water is stored under pressure, allowing the pump to come on less often and run for a longer period each time. This reduces wear on the pump. Wearing parts are replaceable and typically last 5-10 years. Overall life expectancy is 15-20 years. Pumps can be mounted horizontally or vertically.

The Standard model has the highest water flow, and should be used where suction lift is less than 10'. The Standard is available with either 12 or 24 VDC motors.

The Low-Flow model has a higher pressure capacity and should be used where suction lift is over 10' or where the suction pipe is smaller than 1" inside diameter. Maximum suction lift at sea level is 20'. Deduct 1' for each 1,000' above sea level. The Low-Flow models are available with 12, 24, or 48 VDC motors, or with a 120 VAC PM motor (300 W or larger inverter required.)

Both models are NSF approved for potable water. Flowlight Booster pumps can also be used to pump saltwater. Dimensions: 5.7"W x 16.5"L. Weight 15 lbs. 1-year warranty.

Dankoff Flowlight Accessories

The E-Z Installation Kit includes an accessory tee, adjustable pressure switch, pressure gauge, check valve, drain valve, shutoff valve, and pipe nipples. All components are copper or brass. Order filter housing and filter cartridges (30" or 10") separately (see listings under "Slowpump Accessories").

The Dry-Run Switch provides automatic shut off in case the pump runs dry, preventing costly damage to the pump head.

 

Model Voltage Max GPM Pressure (psi) Current draw Item code

Standard 12 VDC 2920-12

12 VDC

4.5 gpm

30 psi

13.0 A

075-04125

40 psi

15.0 A

50 psi

16.0 A

Standard 24 VDC 2920-24

24 VDC

4.5 gpm

30 psi

6.5 A

075-04127

40 psi

7.5 A

50 psi

8.0 A

Standard 48 VDC 2920-48

48 VAC

4.5 gpm

30 psi

3.5 A

075-04129

40 psi

4.0 A

50 psi

4.5 A

Standard 120 VAC 2920-115

120 VAC

4.5 gpm

30 psi

1.5 A

075-04131

40 psi

1.6 A

50 psi

1.7 A

Low Flow 12 VDC 2910-12

12 VDC

3.4 gpm

30 psi

10.0 A

075-04121

40 psi

11.0 A

50 psi

12.0 A

Low Flow 24 VDC 2910-24

24 VDC

3.4 gpm

30 psi

5.0 A

075-04123

40 psi

7.5 A

50 psi

8.0 A

E-Z Installation Kit - includes an accessory tee, adjustable pressure switch, pressure gauge, check valve, drain valve, shutoff valve, and pipe nipples

075-04205

Dry Run switch for Booster pumps

075-04215

 

 

 

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.

 

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