61:. They can operate over a wide range of pressures. High pressure operation can be achieved without adversely affecting flow rate. Piston pumps can also deal with viscous media and media containing solid particles. This pump type functions through a piston cup, oscillation mechanism where down-strokes cause pressure differentials, filling of pump chambers, where up-stroke forces the pump fluid out for use. Piston pumps are often used in scenarios requiring high, consistent pressure and in water irrigation or delivery systems.
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double-acting pump. The line shows the average delivery rate of the pump. These fluctuations in pressure and delivery can cause undesired effects such as water hammer and thus are generally mitigated by the installation of an air-filled accumulator. The delivery can be further smoothed out by the use of multiple cylinders that are offset from one another.
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In a double acting pump, both sides of the piston are in contact with the fluid. As a result of this, both strokes are delivery strokes. An approximation of the delivery rate is given by the following equation:
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Piston pumps may be classified as either single-acting and single-effect (the fluid is pumped by a single face of the piston, and the active stroke is in only one direction) or double-acting and double-effect (the fluid is pumped by both faces of the piston, and the strokes in both directions are
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In a lift pump, the upstroke of the piston draws water, through a valve, into the lower part of the cylinder. On the downstroke, water passes through valves set in the piston into the upper part of the cylinder. On the next upstroke, water is discharged from the upper part of the cylinder via a
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The piston in a plunger and piston pump does not move at a constant velocity and as a result of this the pressure and delivery fluctuate over the duration of the stroke. The following diagram shows the relation between the angle of the crankshaft and the delivery rate of a single-acting and
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191:, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Knowledge (XXG).
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In a single acting pump, only one side of the piston is in contact with the fluid. As a result of this, only one stroke is a delivery stroke. The theoretical delivery rate can be calculated by using the following equation:
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In a force pump, the upstroke of the piston draws water, through an inlet valve, into the cylinder. On the downstroke, the water is discharged, through an outlet valve, into the outlet pipe.
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580:{\displaystyle Q=nh\times \left(2{\frac {d^{2}\times \pi }{4}}-{\frac {d_{1}^{2}\times \pi }{4}}\right)=nh\times {\frac {\pi }{4}}\left(2d^{2}-d_{1}^{2}\right)}
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However, this equation fails to take into consideration the volume taken up by the piston rod. The true delivery rate can be calculated accordingly:
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Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
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791:"[Technology] Mechanism of recipro-comp | Our Business | Dedicated manufacturer of reciprocating compressors and vacuum pumps, MIKUNI"
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Display of the delivery of a single-acting pump (left) and a double-acting pump (right) in relation to the movement of the crankshaft.
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Content in this edit is translated from the existing
Croatian Knowledge (XXG) article at ]; see its history for attribution.
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spout. This type of pump is limited by the height of water that can be supported by air pressure against a vacuum.
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The calculation of a piston pump's theoretical delivery rate is relatively simple.
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735:"Piston Pumps and Plunger Pumps Selection Guide: Types, Features, Applications | Engineering360"
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As a result the actual delivery rate is often smaller and can be found by the following equation:
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An animation of a double-acting piston force pump with accumulators on both the inlet and outlet.
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to the source of your translation. A model attribution edit summary is
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410:{\displaystyle Q=h\times {\frac {d^{2}\times \pi }{4}}\times 2n}
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314:{\displaystyle Q=h\times {\frac {d^{2}\times \pi }{4}}\times n}
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77:. Both types may be operated either by hand or by an engine.
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a machine-translated version of the
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49:where the high-pressure seal reciprocates with the
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129:An animation of a single-acting piston force pump.
339:is the rpm. If the pump has multiple cylinders,
749:"Sprayer Pump Types, Costs, and Specifications"
209:accompanying your translation by providing an
171:Click for important translation instructions.
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603:is equal to the diameter of the piston rod.
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69:The two main types of piston pump are the
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34:Piston pump compared to a
53:. Piston pumps can be used to move
27:Type of positive-displacement pump
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221:{{Translated|hr|Klipna sisaljka}}
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331:is the diameter of the piston,
219:You may also add the template
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607:Fluctuation in delivery rate
246:Calculation of delivery rate
232:Knowledge (XXG):Translation
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672:is the loss coefficient.
183:Machine translation, like
47:positive displacement pump
165:the corresponding article
723:Piston VS plunger pumps
230:For more guidance, see
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347:Double-acting pumps
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687:Radial piston pump
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57:or compress
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36:plunger pump
167:in Croatian
43:piston pump
800:2023-11-19
759:2018-11-21
710:References
106:Force pump
97:Force pump
75:force pump
644:λ
641:×
555:−
529:π
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468:π
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297:π
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278:×
225:talk page
89:Lift pump
84:Lift pump
71:lift pump
18:Lift pump
815:Category
693:See also
201:provide
117:active).
73:and the
223:to the
205:in the
55:liquids
676:Others
323:Where
51:piston
821:Pumps
185:DeepL
65:Types
59:gases
199:must
197:You
178:View
187:or
169:.
817::
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670:λ
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