Reciprocating pump

A reciprocating pump is a class of positive-displacement pumps that includes the piston pump, plunger pump, and diaphragm pump. Well maintained, reciprocating pumps can last for decades. Unmaintained, however, they can succumb to wear and tear.[1] It is often used where a relatively small quantity of liquid is to be handled and where delivery pressure is quite large. In reciprocating pumps, the chamber that traps the liquid is a stationary cylinder that contains a piston or plunger.

Reciprocating pump attached to a Windmill on a farm.

Types
By source of work
  • Simple hand-operated reciprocating pump. The simplest example is the bicycle pump, which is used ubiquitously to inflate bicycle tires and various types of sporting balls. The name "bicycle pump" is not really the most correct term because it generates more compression than volume displacement.[2]
  • Power-operated deep well reciprocating pump
By mechanism
  • Single-acting reciprocating pump consists of a piston of which only one side engages the fluid being displaced.[3] The simplest example would be a syringe.
  • Double-acting reciprocating pump engage with both sides of the piston, each stroke of the piston carries out both suction and expulsion at the same time. Thus it require two inflow pipes and two outflow pipes.[3]
  • Triple-acting reciprocating pump

Examples

Examples of reciprocating pumps include

gollark: pls latex \lim_{x \right \infty} \frac1x
gollark: pls lates \lim_{x \right \infty} \frac1x
gollark: Please just say the problem directly to save everyone time.
gollark: Oh, right, university-level-ish then. You can probably do joint honours things.
gollark: I don't know what level of education you mean, but probably.

See also

Pump

References
  1. "Preventing Suction System Problems Using Reciprocating Pumps | Triangle Pump Components, Inc". Triangle Pump Components, Inc. Retrieved 2016-12-21.
  2. Dam, Gert. "PUMPS - TYPES & OPERATION - RECIPROCATING (PISTON) PUMPS". articles.compressionjobs.com. Retrieved 2016-12-21.
  3. "Reciprocating Pump (Single-acting and Double-acting reciprocating pump)". mechanicalbuzz.com. Retrieved 2016-12-21.


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