{"id":248,"date":"2024-08-03T12:56:54","date_gmt":"2024-08-03T12:56:54","guid":{"rendered":"https:\/\/knowledge-center.novatec.com\/?page_id=248"},"modified":"2026-03-27T15:30:19","modified_gmt":"2026-03-27T15:30:19","slug":"delay-abrasive-wear","status":"publish","type":"page","link":"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/system-design\/delay-abrasive-wear\/","title":{"rendered":"Delay Abrasive Wear"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"248\" class=\"elementor elementor-248\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2fe1edea e-con-full e-flex e-con e-parent\" data-id=\"2fe1edea\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-cb4cc1 e-con-full e-flex e-con e-child\" data-id=\"cb4cc1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-60c4abe elementor-widget 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href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/system-design\/design-considerations\/\" class = \"hfe-sub-menu-item\">Design Considerations<\/a><\/li>\n\t<li id=\"menu-item-1773\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/system-design\/vacuum-pump-comparison-chart\/\" class = \"hfe-sub-menu-item\">Vacuum Pump Comparison Chart<\/a><\/li>\n\t<li id=\"menu-item-1774\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/system-design\/special-applications\/\" class = \"hfe-sub-menu-item\">Special Applications<\/a><\/li>\n\t<li id=\"menu-item-1775\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/system-design\/choosing-line-size-location\/\" class = \"hfe-sub-menu-item\">Choosing Line Size Location<\/a><\/li>\n\t<li id=\"menu-item-1776\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/system-design\/to-purge-or-not-to-purge\/\" class = \"hfe-sub-menu-item\">To Purge or Not to Purge<\/a><\/li>\n\t<li id=\"menu-item-1777\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/system-design\/the-purpose-of-blowback\/\" class = \"hfe-sub-menu-item\">The Purpose of Blowback<\/a><\/li>\n\t<li id=\"menu-item-1778\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a 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tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a aria-expanded=\"false\" href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/\" class = \"hfe-menu-item\">Components<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-1715\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/tubing-bends-couplers-and-flexible-hose\/\" class = \"hfe-sub-menu-item\">Tubing Bends Couplers and Flexible Hose<\/a><\/li>\n\t<li id=\"menu-item-1716\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a aria-expanded=\"false\" href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-pumps\/\" class = \"hfe-sub-menu-item\">Vacuum Pumps<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-3770\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-pumps\/the-ultimate-guide-to-vacuum-pumps-for-plastics-processing-how-to-choose-the-right-one-for-your-plant\/\" class = \"hfe-sub-menu-item\">The Ultimate Guide to Vacuum Pumps for Plastics Processing: How to Choose the Right One for Your Plant<\/a><\/li>\n\t\t<li id=\"menu-item-4168\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-pumps\/is-your-vacuum-pump-a-legal-liability\/\" class = \"hfe-sub-menu-item\">Is Your Vacuum Pump a Legal Liability?<\/a><\/li>\n\t\t<li id=\"menu-item-1717\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-pumps\/pump-types\/\" class = \"hfe-sub-menu-item\">Pump Types<\/a><\/li>\n\t\t<li id=\"menu-item-1718\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-pumps\/pump-performance-characteristics\/\" class = \"hfe-sub-menu-item\">Pump characteristics<\/a><\/li>\n\t\t<li id=\"menu-item-1719\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-pumps\/startup-troubleshooting\/\" class = \"hfe-sub-menu-item\">Startup Troubleshooting<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-1720\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a aria-expanded=\"false\" href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/material-selection-methods\/\" class = \"hfe-sub-menu-item\">Material Selection Methods<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-1721\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/material-selection-methods\/open-array-fantail-manifolds\/\" class = \"hfe-sub-menu-item\">Open Array Fantail Manifolds<\/a><\/li>\n\t\t<li id=\"menu-item-1722\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a 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\"hfe-sub-menu-item\">Vacuum Loaders<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-3847\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-loaders\/the-ultimate-guide-to-self-contained-loaders-for-plastics-processing\/\" class = \"hfe-sub-menu-item\">The Ultimate Guide to Self-Contained Loaders for Plastics Processing<\/a><\/li>\n\t\t<li id=\"menu-item-1725\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-loaders\/compressed-air-loaders\/\" class = \"hfe-sub-menu-item\">Compressed Air Loaders<\/a><\/li>\n\t\t<li id=\"menu-item-1726\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-loaders\/modern-loader-design\/\" class = \"hfe-sub-menu-item\">Modern Loader Design<\/a><\/li>\n\t\t<li id=\"menu-item-1727\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-loaders\/powder-loaders\/\" class = \"hfe-sub-menu-item\">Powder Loaders<\/a><\/li>\n\t\t<li id=\"menu-item-1728\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/vacuum-loaders\/pellet-regrind-loaders\/\" class = \"hfe-sub-menu-item\">Pellet Regrind Loaders<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-1729\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" 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hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/gaylord-unloading\/lances\/\" class = \"hfe-sub-menu-item\">Lances<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-1705\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a aria-expanded=\"false\" href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/vacuum-receivers\/\" class = \"hfe-sub-menu-item\">Vacuum Receivers<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-4041\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/vacuum-receivers\/the-ultimate-guide-to-vacuum-receivers-for-plastics-processing\/\" class = \"hfe-sub-menu-item\">The Ultimate Guide to Vacuum Receivers for Plastics Processing<\/a><\/li>\n\t\t<li id=\"menu-item-1713\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/vacuum-receivers\/features-to-consider\/\" class = \"hfe-sub-menu-item\">Features To Consider<\/a><\/li>\n\t\t<li id=\"menu-item-1714\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/vacuum-receivers\/trouble-shooting-vacuum-receivers\/\" class = \"hfe-sub-menu-item\">Trouble shooting<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-1733\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/blenders-and-feeders\/\" class = \"hfe-sub-menu-item\">Blenders and Feeders<\/a><\/li>\n\t<li id=\"menu-item-1734\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a aria-expanded=\"false\" href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/bulk-resin-storage-and-handling\/\" class = \"hfe-sub-menu-item\">Bulk Resin Storage and Handling<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-1735\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a 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href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/supplemental-system-components\/cyclone-dust-collectors\/\" class = \"hfe-sub-menu-item\">Cyclone Dust Collectors<\/a><\/li>\n\t\t<li id=\"menu-item-1741\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/supplemental-system-components\/take-off-box-probes\/\" class = \"hfe-sub-menu-item\">Take off box probes<\/a><\/li>\n\t\t<li id=\"menu-item-1742\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/supplemental-system-components\/proportioning-purge-valves\/\" class = \"hfe-sub-menu-item\">Proportioning Purge Valves<\/a><\/li>\n\t\t<li id=\"menu-item-1743\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/supplemental-system-components\/station-valves\/\" class = \"hfe-sub-menu-item\">Station valves<\/a><\/li>\n\t\t<li id=\"menu-item-1744\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/supplemental-system-components\/drawer-magnets\/\" class = \"hfe-sub-menu-item\">Drawer Magnets<\/a><\/li>\n\t\t<li id=\"menu-item-1745\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/supplemental-system-components\/vacuum-take-off-box-purge-valve\/\" class = \"hfe-sub-menu-item\">Vacuum Take Off Box Purge Valve<\/a><\/li>\n\t\t<li id=\"menu-item-1746\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/supplemental-system-components\/vacuum-take-off-boxes\/\" class = \"hfe-sub-menu-item\">Vacuum Take Off Boxes<\/a><\/li>\n\t<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-1783\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a aria-expanded=\"false\" href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/conveying-controls\/\" class = \"hfe-menu-item\">Conveying Controls<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-1784\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/conveying-controls\/matching-a-control-to-your-system\/\" class = \"hfe-sub-menu-item\">Matching A Control To Your System<\/a><\/li>\n\t<li id=\"menu-item-1785\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/components\/conveying-controls\/vacuum-system-controls\/\" class = \"hfe-sub-menu-item\">Vacuum System Controls<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-1786\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\" tabindex=\"0\" role=\"button\" aria-haspopup=\"true\" aria-expanded=\"false\"><a aria-expanded=\"false\" href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/conveying-faq\/\" class = \"hfe-menu-item\">FAQ<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-1787\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/conveying-faq\/vacuum-system-technology\/\" class = \"hfe-sub-menu-item\">Vacuum System Technology<\/a><\/li>\n\t<li id=\"menu-item-1788\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/conveying-faq\/contamination\/\" class = \"hfe-sub-menu-item\">Contamination<\/a><\/li>\n\t<li id=\"menu-item-1789\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/conveying-faq\/upgrading-systems\/\" class = \"hfe-sub-menu-item\">Upgrading Systems<\/a><\/li>\n\t<li id=\"menu-item-1790\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.novatec.com\/knowledge-center\/plastics-conveying\/conveying-faq\/angel-hair-fines-and-dust\/\" class = \"hfe-sub-menu-item\">Angel Hair Fines and Dust<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul> \n\t\t\t\t<\/nav>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-685baa4e e-con-full e-flex e-con e-child\" data-id=\"685baa4e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7a6f42fd elementor-widget elementor-widget-page-title\" data-id=\"7a6f42fd\" data-element_type=\"widget\" data-widget_type=\"page-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\n\t\t<div class=\"hfe-page-title hfe-page-title-wrapper elementor-widget-heading\">\n\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.novatec.com\/knowledge-center\">\n\t\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\n\t\t\t\t\t\t\t\t\n\t\t\t\tDelay Abrasive Wear  \n\t\t\t<\/h1 > \n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3c356857 e-con-full e-flex e-con e-child\" data-id=\"3c356857\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b6ea79a e-con-full e-flex e-con e-child\" data-id=\"b6ea79a\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-28b478b elementor-widget elementor-widget-text-editor\" data-id=\"28b478b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"kcHeading\"><strong>Delay Abrasive Wear Replacements as Long as Possible<\/strong><\/h2><p>Component wear with abrasive material is inevitable, but extended life is possible.<\/p><p>With new resins and new uses for existing plastic materials on the horizon, prepare now for an upcoming surge in abrasive materials coming from at least two sources. First, plastics continue to be mainstay materials both in developing new products and in improving existing products. For instance, inexpensive, light-weight, and strong plastics are crucial for reducing vehicle weight in light of higher gas-mileage initiatives.<\/p><p>Second, the current boom in shale gas in North America makes a variety of refining byproducts intriguing as feed stocks for new resins. In the near future, expect a big rush of new engineered polyethylene and polypropylenes. These softer resins will have to be reinforced with something to make them useful in new applications. Glass, talc, and ceramics are obvious choices, whether mixed in as fibers or encapsulated in the pellets.<\/p><p>The downside: Many new resins, particularly the reinforced ones, are highly abrasive. The wear these materials cause leads to material degradation and contamination, pipe and elbow leaks, equipment and process failures, operational inefficiencies, added maintenance and replacement costs, and shorter-than-expected lifetimes for plant conveying system and the plant itself.<\/p><p>The reality is that abrasive materials will always abrade pipes, elbows, receivers, and other conveying system components and production equipment. Given this inevitability, are component failures going to take two days, two weeks, or two years? What can you do to delay this wear? And what\u2019s the cost-benefit of what you do to minimize the wear?<\/p><p>The good news is that you can minimize the effect of abrasive materials in two broad ways: Install wear-resistant components, especially elbows, and reduce material velocities.<\/p><h3><strong>Focus on bends<\/strong><\/h3><p>Given the right conditions, conveyed material generally travels straight down the center of pipes within a stream of air\u2014except in bends, specifically \u201celbows,\u201d or within the curved walls of receivers. Here, material changes direction. And here is where abrasive materials do the most damage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-232fa79 elementor-widget elementor-widget-image\" data-id=\"232fa79\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"367\" src=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig1.gif\" class=\"attachment-large size-large wp-image-251\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 1 \u2014 Plastic pellets want to travel straight into an elbow. They hit and slide along the back wall, creating two zones of wear when conveying abrasive materials. Elbow wear primarily occurs in the impact zone, but is also a problem in the sliding, or friction, zone.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4235049 e-con-full e-flex e-con e-child\" data-id=\"4235049\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3bad12b e-con-full e-flex e-con e-child\" data-id=\"3bad12b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12756ed elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"12756ed\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When material enters a curve, it hits and deflects off an area called the\u00a0<em>impact zone<\/em>\u00a0(see Figure 1). Material may hit one or more secondary impact zones before leaving an elbow or settling in a receiver. Material will also skid along a\u00a0<em>sliding or friction zone<\/em>\u00a0that extends beyond the impact zone.<\/p><p>Over time, the conveyed material at the impact and sliding zones wears away\u2014often, wears through\u2014the elbow. When this happens, the worn-away component, such as the elbow, needs to be replaced\u2014rather than temporarily patched (see Figure 2).<\/p><p>Elbow selection generally dictates elbow lifetime in a conveying system, which includes time, labor, and cost components. Standard smooth-walled aluminum elbows, while inexpensive, provide little wear resistance. For example, aluminum elbows are soft and easily dented during shipping and installation. In extreme cases can wear through in a matter of hours so they should never be used when there is a potential for abrasion. Therefore, there is little value in making comparisons of any specialty elbow to aluminum. Specialty elbows at various prices have much better wear resistance (see Table 1). In general, stainless steel elbows offer the minimum level of protection against abrasion and are used successfully in many applications. Ceramic-coated elbows use ceramic to reinforce a standard elbow (see Figure 3).\u00a0<em>Glass elbows<\/em>\u00a0take advantage of glass being highly abrasion-resistant (see Figure 4). Coupling a straight, short\u20142\u2019 is enough\u2014stainless steel or glass section to the outlet of a glass elbow reduces additional wear in the friction zone immediately beyond the elbow.\u00a0<em>Pocket-type elbows<\/em>\u00a0utilize material-to-material interaction to protect against wear (see Figure 5).\u00a0<em>Blind-tee fittings<\/em>\u00a0work similarly, but at lower conveying rates.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4e06e2c e-con-full e-flex e-con e-child\" data-id=\"4e06e2c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-142fbc9 elementor-widget elementor-widget-image\" data-id=\"142fbc9\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"210\" height=\"231\" src=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig2.jpg\" class=\"attachment-large size-large wp-image-252\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 2 \u2014 Worn-through system components should be replaced, not duct taped!<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9102039 e-con-full e-flex e-con e-child\" data-id=\"9102039\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1477ea elementor-widget elementor-widget-image\" data-id=\"d1477ea\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"550\" height=\"321\" src=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig3.jpg\" class=\"attachment-large size-large wp-image-253\" alt=\"\" srcset=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig3.jpg 550w, https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig3-300x175.jpg 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 3 \u2014 Elbows can be supplied with an abrasion-resistant ceramic zone.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d351cb2 elementor-widget elementor-widget-image\" data-id=\"d351cb2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"236\" src=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig4.jpg\" class=\"attachment-large size-large wp-image-254\" alt=\"\" srcset=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig4.jpg 550w, https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig4-300x129.jpg 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 4 \u2014 Glass elbows are highly abrasion-resistant. These elbows are equipped with an inlaid static release strap.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fe5349 elementor-widget elementor-widget-image\" data-id=\"4fe5349\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"426\" height=\"341\" src=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig5.jpg\" class=\"attachment-large size-large wp-image-255\" alt=\"\" srcset=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig5.jpg 426w, https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig5-300x240.jpg 300w\" sizes=\"(max-width: 426px) 100vw, 426px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 5 \u2014 Pocket-type elbows utilize material-to-material interaction to reduce impact, friction, and wear in the elbow.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0ae3c5 elementor-widget elementor-widget-text-editor\" data-id=\"b0ae3c5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Slow down<\/strong><\/h3><p>Higher velocity means more momentum\u2014and more impact force. It also typically means faster wear. Higher impacts can also damage conveyed material, leading to material degradation fines, angel hair, and excessive dust within the pipelines. These in turn lead to increased filter maintenance and reduced conveying rate.<\/p><p>In vacuum systems, air velocity increases as the air expands and moves toward the vacuum pump. Naturally, the resins travel faster, too\u2014generally they are traveling twice as fast nearer their discharge points than at their pickup points. Downstream elbows often show this dramatically; they wear down faster than those at the beginning of the conveying system.<\/p><p>There are various ways to slow down air velocity. Positive displacement pumps can be easily re-sheaved to control air velocity to match the specific requirement you may have for any given material. Regenerative blowers are direct drive units so adding a variable frequency drives (VFD) lets you fine-tune the pump\u2019s rotation speed and the resulting air flow. This does increase the initial price of the pump and, depending on how the VFD\u2019s are used, can require a fairly expensive control system. Also, some fine tuning is required: The material conveying velocity has to be high enough to pick up the material at the source, and carry it down the pipeline without plugging.<\/p><p>The other way to reduce system velocity is to increase the diameter of the pipe near the receivers. This step-up in diameter acts like a brake in the system, effectively slowing the materials.<\/p><h4><strong>Other considerations<\/strong><\/h4><p>Abrasive materials can cause considerable damage to receiver inlets and outlets (see Figure 6), flappers, receiver bodies, and other equipment. Some manufacturers minimize wear in receivers by aiming inlets so material enters tangentially and by placing flappers so that they deflect incoming material from the receiver\u2019s impact zone. Unfortunately, many manufacturers do not employ this useful feature.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14c8efd elementor-widget elementor-widget-image\" data-id=\"14c8efd\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"222\" src=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig6.jpg\" class=\"attachment-large size-large wp-image-256\" alt=\"\" srcset=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig6.jpg 600w, https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig6-300x111.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 6 \u2014 Here is a receiver inlet worn away by 35% glass-filled nylon. Since the inlet alone was not replaceable, the whole lid assembly had to be replaced. Holes were also worn through the cast outlet throat.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3520e72 elementor-widget elementor-widget-text-editor\" data-id=\"3520e72\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>You can further mitigate the wear on impact zones by installing ceramic-coated parts and wear plates (see Figure 7). For example, NOVATEC sells an \u201cextended wear package\u201d for vacuum receivers. This package includes a ceramic-lined removable inlet; ceramic-coated inlet flapper check valve; ceramic-coated impact wear plate; and a stainless steel discharge flapper. This is an important option to have available when you are replacing equipment, and be sure the ceramic-coated parts are replaceable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf1bf9d elementor-widget elementor-widget-image\" data-id=\"cf1bf9d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"280\" src=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig8.jpg\" class=\"attachment-large size-large wp-image-257\" alt=\"\" srcset=\"https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig8.jpg 600w, https:\/\/www.novatec.com\/knowledge-center\/wp-content\/uploads\/2024\/08\/abrasive-wear-fig8-300x140.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Fig. 8 \u2014 Minimize wear by aiming inlets so material enters tangentially, position flappers to deflect incoming material from vessel walls, and reinforce impact zones with ceramic-coated, removable plates.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-099a2fe elementor-widget elementor-widget-text-editor\" data-id=\"099a2fe\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>And don\u2019t forget flexible hoses. Hose leaks reduce air pressure in the line, leading to overall process inefficiencies, and material plugs. Even before that point, abraded flexible hose material will join the resin conveyed to the injection molding machines. This contamination can affect the integrity of the plastic and, if colored hoses are used, discolor the finished molded part. Extended-wear flexible hoses exist for these applications. For example, PVC flexible hose with polyurethane lining has about twice the wear life of regular PVC hose.<\/p><p>Whether you are designing a new system or retrofitting an existing conveying system, it need not be an all-or-nothing proposition. For example, not all elbows and pumps need to be replaced. The design and operation of your conveying system depends greatly on the physical properties of the resins moving through the system and your expectations for your system\u2019s operation, equipment replacement, and on-going maintenance costs, as well as maximizing uptime. Preparing to minimize wear from abrasive materials will go a long way towards keeping your operations running smoothly.<\/p><p>See Table below for a comparison of the relative costs vs. the relative life of various wear-resistant elbows. and start reducing damage from abrasives in your system today.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-746fc36 elementor-widget elementor-widget-text-editor\" data-id=\"746fc36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table border=\"0\" cellpadding=\"3\" cellspacing=\"3\" class=\"abrasive\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Elbow Type<\/td>\n\t\t\t<td class=\"colHead\">Relative Cost<\/td>\n\t\t\t<td class=\"colHead\">Relative Life<\/td>\n\t\t<\/tr>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Aluminum<\/td>\n\t\t\t<td>N\/A<\/td>\n\t\t\t<td>N\/A<\/td>\n\t\t<\/tr>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Stainless Steel<\/td>\n\t\t\t<td>1$<\/td>\n\t\t\t<td>1<\/td>\n\t\t<\/tr>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Ceramic Lines<\/td>\n\t\t\t<td>6$<\/td>\n\t\t\t<td>\n\t\t\t<p>3-4<\/p>\n\t\t\t<\/td>\n\t\t<\/tr>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Glass Elbows<\/td>\n\t\t\t<td>6$<\/td>\n\t\t\t<td>20+<\/td>\n\t\t<\/tr>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Hemisphere Tee<\/td>\n\t\t\t<td>11$<\/td>\n\t\t\t<td>20+<\/td>\n\t\t<\/tr>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Ceramic Backed<\/td>\n\t\t\t<td>11$<\/td>\n\t\t\t<td>20+<\/td>\n\t\t<\/tr>\n\t\t<tr>\n\t\t\t<td class=\"colHead\">Pocket Elbows<\/td>\n\t\t\t<td>15-25$<\/td>\n\t\t\t<td>20+<\/td>\n\t\t<\/tr>\n\t<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1b65c8a5 e-con-full 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