Water Pumps

Water, by nature always moves from an area of high pressure to an area of low pressure. A water pump is a mechanical device that can circulate water or raise it from one level to another.

How does a water pump work?

Water pumps draw existing water in to the pump by suction through an inlet point. The inlet point has a lower rate of pressure than the outlet point. A water pump is designed to increase the rate that the water is flowing to create a vacuum. At this point, the outlet point has a high-pressure level which forces out the water.

Water pumps come in various forms, selecting the best one for the application depends on several factors. Things to consider are;

Water quality - Is the water clean, dirty or foul? Does the water contain any semi-solid or solid matter?

Amount of water – What is the amount of water to be moved or drained? This is essential as pumps have a maximum flow rate usually in litres per minute.

Inlet and outlet points - Does the pump selected require solid pipework or hose for the inlet and outlet points. What is the size of the pipework or hose? Are they threaded connections or are do they accept a tube with an O/D in mm?

Mechanical seals - Are the seals within the pump suitable for the job?

Types of water pump

• Centrifugal water pumps are ideal for pumping higher flow rates

• Dirty water pumps are ideal for pumping dirty or foul water

• Submersible water pumps are ideal for pumping flooded areas, submersible pumps usually have the option of a float switch

• Petrol water pumps are ideal for draining out ditches and trenches

Applications

Water pumps are used in various applications across a wide range of industries. Some of the most common are;

• Waste water processing plants, irrigation and drainage

• Food and beverage production

• Oil and energy, power plants and refineries

• Heating, ventilation and air conditioning

• Water feature and ponds

• Aquarium and fish tanks

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Description Price Maximum Flow Rate Supply Voltage Input Connection Maximum Head Maximum Working Pressure Body Material Coupling Type Input Power Maximum Fluid Temperature Input Connection Size Output Connection Size Pump Type IP Rating
RS stock no. 707-3620
Mfr. Part No.SP 3
BrandKarcher
R 2,638.09
Each
units
7000L/h 230 → 240 V - 6m 0.6 bar - - 350W +35°C - 1in Submersible -
RS stock no. 446-3449
Mfr. Part No.073982
R 5,756.64
Each
units
5.5L/min 230 V 1/2 in Push Fit 7.4m 10 bar - Magnetic - +85°C 1/2in 1/2in Centrifugal IP22
RS stock no. 214-5199
Mfr. Part No.555057
R 14,797.50
Each
units
400L/min 230 V - 12m - Stainless Steel - 1.6kW - - 2in Submersible -
RS stock no. 667-9071
Mfr. Part No.183944
R 4,715.76
Each
units
23L/min 230 V 1/2 in BSP 3.8m 1.4 bar PP Magnetic 80W +85°C 1/2in 3/8in Centrifugal IP22
RS stock no. 266-597
Mfr. Part No.143904
R 4,514.11
Each
units
35L/min 230 V 22 mm Hose 2.3m 1.4 bar PP Magnetic 84W +85°C 22mm 22mm Centrifugal IP22
RS stock no. 331-8231
Mfr. Part No.N2081080E
R 8,579.64
Each
units
80L/min 230 V - 6 → 11m - Stainless Steel - - +40°C - 1-1/4in Submersible IP68
RS stock no. 914-6944
BrandRS PRO
R 931.09
Each
units
398ml/min 4 V 2.4 mm Tube - 399 mbar Aluminium - 1.8W +100°C 2.4mm - Centrifugal IP45, IP67
RS stock no. 125-3564
BrandRS PRO
R 5,659.79
Each
units
1.75L/min 6 → 24 V 1/8 BSP - 15 bar Anodised Aluminium Direct 15 → 99W +80°C 1/8in - - IP68
RS stock no. 493-1942
Mfr. Part No.022-422
R 5,457.65
Each
units
50L/min 230 V 1 in BSP 10m - - - 600W - 1in 1in Centrifugal IPX4
RS stock no. 667-9110
Mfr. Part No.LVM105
BrandXylem LVM
R 965.86
Each
units
18L/min 12 V 1/2 in Hose Barb - 1 bar POM - 54W +80°C 1/2in 1/2in Submersible -
RS stock no. 817-0766
BrandRS PRO
R 4,982.05
Each
units
1.75L/min 6 → 24 V 6 mm Tube - 15 bar Aluminium Alloy Direct 15 → 99W +100°C 6mm 8mm - IP67, IP68
RS stock no. 702-6876
BrandRS PRO
R 1,435.35
Each
units
2L/min 12 V 3.2 mm Tube 3.5m 345 mbar Anodised Aluminium Direct 6W +100°C 3.2mm 3.2mm Centrifugal IP52
RS stock no. 667-9129
Mfr. Part No.LVM117
BrandXylem LVM
R 1,030.77
Each
units
18L/min 24 V 1/2 in Hose Barb - 1 bar POM - 54W +80°C 1/2in 1/2in Submersible -
RS stock no. 763-2522
Mfr. Part No.53041-2053-230
R 14,691.37
Each
units
20L/min 230 V 1 in BSP 3m 1.6 bar Bronze, Stainless Steel Direct 0.25kW - 1in 1in Centrifugal IP54
RS stock no. 705-9315
Mfr. Part No.LVM131
BrandXylem LVM
R 1,525.38
Each
units
18L/min 24 V 1/2 in Hose Barb 9m 1 bar POM - - +80°C 1/2in 1/2in Submersible -
RS stock no. 331-8275
Mfr. Part No.N2091060E
R 14,440.08
Each
units
400L/min 230 V - 6 → 11m 1.2 bar Stainless Steel Straight 1.1kW - 2in 2in Submersible -
RS stock no. 817-0784
BrandRS PRO
R 2,230.53
Each
units
10L/min 6 → 24 V 8 mm Tube - - Aluminium Alloy Direct - +100°C 8mm 8mm - IP67, IP68
RS stock no. 763-2540
Mfr. Part No.Rule iL280P
BrandXylem
R 929.90
Each
units
1080L/h 12 V - 9.7m 14 psi POM Direct - +80°C - 13mm Submersible -
RS stock no. 817-0725
BrandRS PRO
R 1,554.04
Each
units
-360 ml/min, 580ml/min 4.5 V 2.4 mm Tube - -8 psi, 11 psi Anodised Aluminium Direct 0.4W +100°C 2.4mm 3mm - IP41, IP67
RS stock no. 266-979
Mfr. Part No.043912
R 4,054.92
Each
units
14L/min 230 V 13 mm Hose 2.4m 1.4 bar PP Magnetic 51W +80°C 13mm 13mm Centrifugal IP22