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 Output Connection Maximum Head Maximum Working Pressure Series Body Material Coupling Type Input Power Maximum Fluid Temperature Input Connection Size Output Connection Size Wetted Materials
RS庫存編號 214-5212
製造零件編號555045
HK$2,425.05
單位
200L/min 230 V - 1-1/4 in BSP 8m - - Stainless Steel Direct - +50°C - 1-1/4in -
RS庫存編號 214-5199
製造零件編號555057
HK$7,192.20
單位
400L/min 230 V - - 12m - - Stainless Steel - 1.6kW - - 2in -
RS庫存編號 214-5486
製造零件編號555033
HK$3,076.60
單位
80L/min 220 V - 1-1/4 in BSP 5m - - Stainless Steel Direct 0.2kW +50°C - 1-1/4in -
RS庫存編號 673-822
製造零件編號JX400A
HK$4,412.77
單位
240L/min 230 V - 2 in BSP 12m - JX400A Stainless Steel Direct - +50°C - 2in -
RS庫存編號 214-5206
製造零件編號555039
HK$3,115.41
單位
160L/min 1 → 240 V - 1-1/4 in Rs 7m - - Stainless Steel - - +50°C - 1-1/4in -
RS庫存編號 493-1863
製造零件編號020-072 RS
HK$2,089.12
單位
130L/min 230 V - - 6m - - - - 200W - - 1-1/4in -
RS庫存編號 125-3448
製造零件編號012-152
HK$1,737.40
單位
120L/min 110 V - - 7m - - - - 0.15kW - 1in 1in Plastic (Outer Cover), Silicon (Seal)
RS庫存編號 806-555
製造零件編號DRENOX 80/7 230V
HK$3,021.52
單位
80L/min 220 → 240 V - - 7m - DRENOX Stainless Steel - 0.2kW +50°C - 1.25in -
RS庫存編號 331-8231
製造零件編號N2081080E
HK$2,827.30
單位
80L/min 230 V - - - - - Stainless Steel - - +40⁰C - - -
RS庫存編號 125-3447
製造零件編號012-150
HK$1,832.10
單位
120L/min 230 V - - 7m - - - - 0.15kW - 1in 1in Plastic (Outer Cover), Silicon (Seal)