Here I will briefly explain you the working of a reciprocating pump.
When the source of power is connected to crank, the crank starts rotating, and the connecting rod will also be displaced along with crank.
The piston that is connected to the connecting rod will move in a linear direction. If the crank moves outwards, then the piston moves towards and will create a vacuum in the cylinder.
The vacuum causes the suction valve to open, and liquid (from the source) is sucked by the suction pipe into the cylinder.
When the crank moves inwards/towards the cylinder, the piston will move towards its left and will compress the liquid in the cylinder.
When the piston reaches its extreme left, the liquid present in the cylinder is delivered through the delivery valve.
Again the crank will rotate outwards, and piston will move to the right to create suction.
The above process can be observed only in a single acting reciprocating pump. In a double acting reciprocating pump, there will be 2 delivery strokes per one revolution of the crank.
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