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The reverse function of the centrifugal pump is a water turbine converting potential energy of water pressure ... Vertical centrifugal pumps are also referred to as ...
While centrifugal pumps impart momentum to the fluid by motion of blades, positive displacement pumps transfer fluid by variation in the size of the pump’s chamber. Centrifugal pumps can be of rotor or propeller types, whereas positive displacement pumps may be gear-based, piston-based, diaphragm-based, etc. As a general rule, centrifugal ...
Pump and volute casing. A volute is a curved funnel that increases in area as it approaches the discharge port. [1] The volute of a centrifugal pump is the casing that receives the fluid being pumped by the impeller, maintaining the velocity of the fluid through to the diffuser. As liquid exits the impeller it has high kinetic energy and the ...
Its value is not fixed for a given pump, efficiency is a function of the discharge and therefore also operating head. For centrifugal pumps, the efficiency tends to increase with flow rate up to a point midway through the operating range (peak efficiency or Best Efficiency Point (BEP) ) and then declines as flow rates rise further.
A pump as turbine (PAT), also known as a pump in reverse, is an unconventional type of reaction water turbine, which behaves in a similar manner to that of a Francis turbine. The function of a PAT is comparable to that of any turbine , to convert kinetic and pressure energy of the fluid into mechanical energy of the runner.
Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...
A slurry pump is a type of pump designed for pumping liquid containing solid particles. They are often used in the mining of coal and other minerals. [ 1 ] Slurry pumps are more robust than liquid pumps and can withstand wear due to abrasion, and often use parts that are designed to be replaced when worn out.
Horizontal, centrifugal pumps for clear, cold fresh water 4 IS: 1536 Centrifugally cast (spun) iron pressure pipes for water, gas and sewage 5 IS: 1537 Vertically cast iron pressure pipes for water, gas and sewage 6 IS: 1710 Vertical turbine pumps for clear, cold fresh water 7 IS: 2002 Steel plates for boilers 8 IS: 2062
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