Non-Return Valves - Revision history

https://www.solidswiki.com/index.php?action=history&feed=atom&title=Non-Return_Valves Non-Return Valves - Revision history 2026-10-21T04:59:37Z Revision history for this page on the wiki MediaWiki 1.37.1 https://www.solidswiki.com/index.php?title=Non-Return_Valves&diff=14433&oldid=prev Kodiyath at 06:17, 16 January 2013 2013-01-16T06:17:00Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:17, 16 January 2013</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Valves]]{{Knoppen}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Valves]]{{Knoppen}}</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[File:Non return valves.jpg|thumb|right|Non-Return Valves]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[File:Non return valve graph.jpg|thumb|right|Graph of non-return valve]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''Non-Return Valves''',[[Check Valves]], clack valve, or one-way valves are mechanical devices, [[Valves]], which normally allows fluid to flow through it in only one direction.</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Pneumatic </del>non-return valves <del style="font-weight: bold; text-decoration: none;">are </del>used <del style="font-weight: bold; text-decoration: none;">where </del>a <del style="font-weight: bold; text-decoration: none;">normal non</del>-return <del style="font-weight: bold; text-decoration: none;">valve would be ineffective</del>. <del style="font-weight: bold; text-decoration: none;">This is for example where there is a risk of flood water entering </del>a <del style="font-weight: bold; text-decoration: none;">site but an equal risk </del>of <del style="font-weight: bold; text-decoration: none;">pollution or a chemical spills leaving a site </del>and <del style="font-weight: bold; text-decoration: none;">polluting the environment.</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Non-return valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of </ins>non-return valves used <ins style="font-weight: bold; text-decoration: none;">in </ins>a <ins style="font-weight: bold; text-decoration: none;">wide variety of applications. Non</ins>-return <ins style="font-weight: bold; text-decoration: none;">valves are often part of common household items</ins>. <ins style="font-weight: bold; text-decoration: none;">Although they are available in </ins>a <ins style="font-weight: bold; text-decoration: none;">wide range </ins>of <ins style="font-weight: bold; text-decoration: none;">sizes </ins>and <ins style="font-weight: bold; text-decoration: none;">costs, </ins>non-return valves <ins style="font-weight: bold; text-decoration: none;">generally </ins>are <ins style="font-weight: bold; text-decoration: none;">very small, simple, </ins>and<ins style="font-weight: bold; text-decoration: none;">/or inexpensive</ins>. <ins style="font-weight: bold; text-decoration: none;">Non</ins>-return valves <ins style="font-weight: bold; text-decoration: none;">work automatically and most are not controlled by a person </ins>or <ins style="font-weight: bold; text-decoration: none;">any external control; accordingly, most do not have any valve handle </ins>or <ins style="font-weight: bold; text-decoration: none;">stem</ins>. <ins style="font-weight: bold; text-decoration: none;">The bodies of most </ins>non-return <ins style="font-weight: bold; text-decoration: none;">valvesare made of plastic or metal</ins>.</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Pneumatic </del>non-return valves are <del style="font-weight: bold; text-decoration: none;">installed below ground </del>and <del style="font-weight: bold; text-decoration: none;">can be used to pneumatically lock the non-return valve closed thus containing a site in the event of a spill</del>.</div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">It is common practice to lock sites using pneumatic non</del>-return valves <del style="font-weight: bold; text-decoration: none;">during the loading </del>or <del style="font-weight: bold; text-decoration: none;">transferring of chemicals </del>or <del style="font-weight: bold; text-decoration: none;">hazardous waste</del>. <del style="font-weight: bold; text-decoration: none;">Pneumatic </del>non-return <del style="font-weight: bold; text-decoration: none;">valves have a longer service life when compared to pneumatic bladder systems</del>.</div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">An important concept in non-return valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the non-return valve is designed for and can therefore be specified for a specific cracking pressure.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Heart valves are essentially inlet and outlet non-return valve for the heart ventricles, since the ventricles act as pumps.Non-return valves protect plants, pipelines and outlet points against reverse gasflow and meet all relevant standards and regulations. The product range of non-return valves includes a large choice of nominal sizes and flow rates .</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>non return <del style="font-weight: bold; text-decoration: none;">valve can be stated as one way root</del>.<del style="font-weight: bold; text-decoration: none;">no return back to pump. In this case </del>the <del style="font-weight: bold; text-decoration: none;">fluid coming from delivery </del>of <del style="font-weight: bold; text-decoration: none;">pump press the plate inside </del>the non return valve <del style="font-weight: bold; text-decoration: none;">along with screw</del>. <del style="font-weight: bold; text-decoration: none;">When the fluid generates back pressure the screw comes down and the return way is blocked by the plate that is how "screw down </del>non-return <del style="font-weight: bold; text-decoration: none;">valve works</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The sophisticated valve technology of </ins>non<ins style="font-weight: bold; text-decoration: none;">-</ins>return <ins style="font-weight: bold; text-decoration: none;">valves provides small pressure drops making them also suitable for applications with smallest opening pressures</ins>. <ins style="font-weight: bold; text-decoration: none;">A high-quality sealing system with elastomeres prevents leakages and dirt filters at </ins>the <ins style="font-weight: bold; text-decoration: none;">inlet point assure long service life </ins>of the non<ins style="font-weight: bold; text-decoration: none;">-return valves.Some non-</ins>return valve <ins style="font-weight: bold; text-decoration: none;">models can also be used as flashback arrestors</ins>. <ins style="font-weight: bold; text-decoration: none;">All </ins>non-return <ins style="font-weight: bold; text-decoration: none;">valves can be mounted in any orientation, are available with all connections, in brass and stainless steel and are suitable for almost all technical gases</ins>.</div></td></tr> </table>

Kodiyath https://www.solidswiki.com/index.php?title=Non-Return_Valves&diff=14430&oldid=prev Kodiyath at 17:00, 15 January 2013 2013-01-15T17:00:47Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:00, 15 January 2013</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Valves]]{{Knoppen}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Valves]]{{Knoppen}}</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><noinclude></noinclude></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">non return valve </ins>can <ins style="font-weight: bold; text-decoration: none;">be stated as one way root</ins>.<ins style="font-weight: bold; text-decoration: none;">no return back </ins>to <ins style="font-weight: bold; text-decoration: none;">pump</ins>. <ins style="font-weight: bold; text-decoration: none;">In this case the fluid coming from delivery of pump press </ins>the <ins style="font-weight: bold; text-decoration: none;">plate inside </ins>the <ins style="font-weight: bold; text-decoration: none;">non return valve along with screw</ins>. <ins style="font-weight: bold; text-decoration: none;">When the fluid generates back pressure the screw comes down and the return way is blocked by </ins>the <ins style="font-weight: bold; text-decoration: none;">plate that is how "screw down non</ins>-<ins style="font-weight: bold; text-decoration: none;">return valve works</ins>.</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">This page is still empty. If you know something about this product, please share your knowledge with others</del>.</div></td><td colspan="2" class="diff-side-added"></td></tr> </table>

Kodiyath https://www.solidswiki.com/index.php?title=Non-Return_Valves&diff=7503&oldid=prev Admin: Created page with "Category:Valves{{Knoppen}} <noinclude><!------------------------------------------------ * READ THIS FIRST * Only edit this page if you can improve the content. * Improper u..." 2012-06-27T06:11:27Z

<p>Created page with "<a href="/index.php/Category:Valves" title="Category:Valves">Category:Valves</a>{{Knoppen}} <noinclude></noinclude><br /> This page is still empty. If you know something about this product, please share your knowledge with others.</div>

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