<h2 class = 'uawtitle'>What A Positive Displacement Sanitary Pump Is</h2><br />
<div style='font-style:italic;' class='uawbyline'>by Marci Nielsen</div><br /><br />
<div class='uawarticle'>Some of us will be thinking of going into the food manufacturing business and in view of this will need to be familiar with some of the industry terms and equipment used. In all likelihood, you may have come across the term <A href="http://axiflowtechnologies.com">positive displacement sanitary pump</A>. This article will introduce you to what this piece of equipment is all about and why it is essential or used in some food manufacturing processes.<br />
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Basically a pump is used to move solutions, food products, and slurries that will be processed according to set standards of cleanliness and hygiene. These standards are either set by the private corporation or even by law. In the continental United States, the Food and Drug Administration with the US Department of Agriculture set these same standards.<br />
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Pumps in the food manufacturing arena consist of two types. The first being the centrifugal type, which uses centrifugal force to push fluids and liquids. The second type is the positive displacement type, which uses rotating lobes to create suction and move fluids and such through fixed chambers. Both are designed to eliminate bacterial growth while working.<br />
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Positive displacement pumps are sometimes called PD pumps and are fast gaining in popularity when talking about special applications involving thick liquids or liquids with fragile solid materials. Although they cannot produce a high flow rate like centrifugal pumps, they can produce much greater pressure.<br />
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These pumps rely on pressure to move liquids through to a discharge system. The pressure is slowly built up by rotating lobes or parts pushing liquid into an enclosed and vacuum sealed chamber. The release velocity of this liquid is much slower than a centrifugal setup and thus ideal for liquids that have some form of fragile solids mixed in.<br />
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Two types of PD pumps are currently in use in the food industry today. These are the rotary type and the reciprocating type. The former type of pump makes use of rotating parts to move liquid through. This is most useful for applications involving liquids with some form of fragile solids mixed in. Those applications needing an elimination of reverse flow processes are best serviced by the use of reciprocating type, which also has valves to create and eliminate vacuum pressure apart from moving lobes.<br />
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The sole advantage of the PD type of mechanism is that it can provide a constant flow of liquid within the range of medium to high pressure applications. This is particularly important in breweries and dairy production facilities which deal a lot with viscous liquids. Other viscous fluid applications best serviced by PD type mechanisms are found in firms that produces vegetable oils, molasses and such.<br />
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Thus this short article has provided a primer for you regarding this kind of pump that is widely used in the food manufacturing and processing sector. This article is in no means exhaustive but it is hoped that it has contained enough information to enlighten the uninitiated in the ways of pumps and pump process as used in food processing.<br />
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<div class='uawlinks'>When you are looking for information regarding a <a href="http://axiflowtechnologies.com">positive displacement sanitary pump</a>, go to the web pages online here today. Further details can be seen at http://axiflowtechnologies.com now.</div><br />
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