LELABSINES
Technical note

SAMKING solar pumps:
curves and sizing

LE LAB integrates six SAMKING submersible pumps for 3- and 4-inch boreholes, with flows up to 15.5 m³/h and heads up to 313 m. Water production is calculated from the controller flow / P1 tables supplied by SAMKING, at each pumping head.

6 pumps, 1.2 to 8 kW P13 and 4 inchesAC/DC hybrid controller includedP1 curves by head
Range data

P1 at the core of sizing

LE LAB uses P1 at the controller input to size the photovoltaic array and calculate water production.

Pump Hydraulics Bore Max. flow Max. head Max. P1
SAMKING 3SPW2-11 centrifugal 3" 4.9 m³/h 75 m 1.2 kW
SAMKING 4SPF2.8-140 helical 4" 2.8 m³/h 140 m 1.4 kW
SAMKING 4SPW5-10 centrifugal 4" 9.7 m³/h 112 m 2.2 kW
SAMKING 4SPW5-15 centrifugal 4" 9.7 m³/h 170 m 2.6 kW
SAMKING 4SPW8-12 centrifugal 4" 15.5 m³/h 153 m 5.5 kW
SAMKING 4SPW5-24 centrifugal 4" 11.2 m³/h 313 m 8.0 kW
Data source. SAMKING supplied the flow / P1 tables by head used by LE LAB. They feed the production calculation according to the location, photovoltaic array and water requirement of the project.
Range coverage

Flow / head envelope across the range

The chart locates the flow and head ranges of the six models. The 4SPW8-12 covers the highest flows to around 150 m; the 4SPW5-24 covers high-head projects up to 313 m.

0 4 8 12 16 0 50 100 150 200 250 300 Total dynamic head (m) Maximum flow at full power (m³/h) 3SPW2-11 · 4SPF2.8-140 · 4SPW5-10 4SPW5-15 · 4SPW8-12 · 4SPW5-24
The chart uses the flow / P1 tables supplied by SAMKING. For each model, it shows the flow reached at the last published P1 point.
In the application

Sizing with the SAMKING range

LE LAB brings together the required flow, calculated head and available solar energy to select compatible models. In Pro mode, a study can be limited to the SAMKING range or to a specific model; the selection and monthly water production are then documented in the project.

P1 curvesFlow / P1 tables are integrated into the calculation engine for each pumping head.
Hybrid controllerEach pump is configured with its SAMKING AC/DC controller.
Controlled selectionLE LAB Pro lets you select the full range or a specified model.
Prepare a pumping project: the coverage matrix provides an initial view of head and flow. The application then establishes the selection and calculates water production for the project.