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What are positive displacement pumps and what purpose do they serve? Business Articles | July 29 Cheap NFL Jerseys Free Shipping , 2015
Off-late there has also been a demand for such pumps from the manufacturing and process industries. What are positive displacement pumps?Although there are various types of positive displacement pumps...


Off-late there has also been a demand for such pumps from the manufacturing and process industries.

What are positive displacement pumps?

Although there are various types of positive displacement pumps the most common amongst these are the rotary, metering and reciprocating pumps. Although each type of pump serves a particular purpose, the most common objective of positive displacements pumps is to move fluids in hydraulic systems where there is a pressure of up to 500psi. In other words positive displacement pumps generate a very high pressure that is capable enough to move a fixed volume of fluid. ?

Is there a distinction between the rotary, metering and reciprocating pumps or are they identical in their operation and can be termed as positive displacement pumps?

Broadly speaking each of the three is a positive displacement pump Cheap NFL Jerseys From China , but is unique in its operations. For instance a reciprocating pump comprises three parts that work in close coordination with each other. These comprise the piston, plunger and the diaphragm. Such pumps are beneficial in those instances where only a small quantity of fluid is to be pumped and the pressure of delivery is very high.? In such pumps the fluid gets stored in a chamber that typically comprises a stationary cylinder and the liquid is pushed out via the coordinated movements of the piston, plunger and diaphragm.

On the other hand a rotary pump is a type of positive displacement pump in which there are vertical blades placed on top of a rotor which rotates inside the chamber and generates pressure to move the fluids. The length of the blades depending upon the desired