{"id":16570,"date":"2022-11-11T13:16:31","date_gmt":"2022-11-11T12:16:31","guid":{"rendered":"https:\/\/www.rct-online.de\/magazin\/?p=16570"},"modified":"2026-06-22T09:51:13","modified_gmt":"2026-06-22T07:51:13","slug":"peristaltic-pumps-choosing-the-right-pump-tubing","status":"publish","type":"post","link":"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/","title":{"rendered":"Peristaltic Pumps and Pump Tubing: How to Choose the Right Tubing-Pump Combination"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#A_Brief_History_of_the_Peristaltic_Pump\" title=\"A Brief History of the Peristaltic Pump\">A Brief History of the Peristaltic Pump<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#How_Do_Peristaltic_Pumps_Work\" title=\"How Do Peristaltic Pumps Work?\">How Do Peristaltic Pumps Work?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Rollers_or_Sliding_Shoes_Two_Ways_to_Compress_the_Tubing\" title=\"Rollers or Sliding Shoes: Two Ways to Compress the Tubing\">Rollers or Sliding Shoes: Two Ways to Compress the Tubing<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Service_Life_When_Should_You_Replace_Pump_Tubing\" title=\"Service Life: When Should You Replace Pump Tubing?\">Service Life: When Should You Replace Pump Tubing?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Advantages_of_Peristaltic_Pumps\" title=\"Advantages of Peristaltic Pumps\">Advantages of Peristaltic Pumps<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Disadvantages_of_Peristaltic_Pumps\" title=\"Disadvantages of Peristaltic Pumps\">Disadvantages of Peristaltic Pumps<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Requirements_for_Pump_Tubing\" title=\"Requirements for Pump Tubing\">Requirements for Pump Tubing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Which_Pump_Tubing_Suits_Peristaltic_Pumps\" title=\"Which Pump Tubing Suits Peristaltic Pumps?\">Which Pump Tubing Suits Peristaltic Pumps?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Viton%C2%AE_FKM_Tubing_for_Aggressive_Chemicals\" title=\"Viton\u00ae (FKM) Tubing for Aggressive Chemicals\">Viton\u00ae (FKM) Tubing for Aggressive Chemicals<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Silicone_Tubing_for_Food_and_Medical_Use\" title=\"Silicone Tubing for Food and Medical Use\">Silicone Tubing for Food and Medical Use<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#EPDMPP_Tubing_for_Pharmaceutical_and_Food_Applications\" title=\"EPDM\/PP Tubing for Pharmaceutical and Food Applications\">EPDM\/PP Tubing for Pharmaceutical and Food Applications<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Where_Peristaltic_Pumps_Are_Used\" title=\"Where Peristaltic Pumps Are Used\">Where Peristaltic Pumps Are Used<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Peristaltic_Pumps_in_Medicine_Food_and_Industry\" title=\"Peristaltic Pumps in Medicine, Food and Industry\">Peristaltic Pumps in Medicine, Food and Industry<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.rct-online.de\/magazin\/en\/peristaltic-pumps-choosing-the-right-pump-tubing\/#Choosing_the_Right_Tubing-Pump_Combination\" title=\"Choosing the Right Tubing-Pump Combination\">Choosing the Right Tubing-Pump Combination<\/a><\/li><\/ul><\/nav><\/div>\n<p style=\"text-align: justify;\"><strong>Peristaltic pumps work on the same principle that moves food through the oesophagus. Successive muscle contractions along the oesophagus push food forward into the stomach. In a peristaltic pump, a flexible length of tubing takes the place of the oesophagus. Mechanical pressure from outside squeezes the tubing and drives the medium through it. This article explains exactly how that works.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"A_Brief_History_of_the_Peristaltic_Pump\"><\/span>A Brief History of the Peristaltic Pump<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">In 1855, the American polymath Rufus Porter (1792\u20131884) secured the first peristaltic pump patent together with J.D. Bradly. Recorded under patent number US12753A, it entered history as a well pump. His compatriot Eugene Edward Allen followed in 1881, earning US patent no. 249285 for a peristaltic pump used in blood transfusion. The design still attracts strong interest today, and many publications explore its further development.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Do_Peristaltic_Pumps_Work\"><\/span>How Do Peristaltic Pumps Work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Peristaltic pumps belong to the family of positive displacement pumps. They also go by several other names: tube-squeeze pumps, roller pumps, or simply <a href=\"https:\/\/www.rct-online.de\/en\/pumps\/peristaltic-pumps\">tubing pumps<\/a>. Engineers use them to move liquids and suspensions. The medium travels through a length of tubing bent into a U-shape. In a typical design, the tubing sits against the outer pump housing, while rollers or sliding shoes on a rotor pinch it from the inside.<\/p>\n<div class=\"box info  \"><div class=\"box-inner-block\"><i class=\"fa tie-shortcode-boxicon\"><\/i>\n\t\t\tAs the rotor turns, the pinch point travels along the tubing and pushes the medium forward.\n\t\t\t<\/div><\/div>\n<p style=\"text-align: justify;\">Once the pressure releases, restoring forces open the tubing and return it to its original shape. This creates a partial vacuum that draws in the medium. To be squeezed and spring back again, the <a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\">tubing<\/a> must stay soft and elastic. Peristaltic pumps therefore work only with <a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\">flexible elastomer tubing (soft rubber)<\/a>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Rollers_or_Sliding_Shoes_Two_Ways_to_Compress_the_Tubing\"><\/span>Rollers or Sliding Shoes: Two Ways to Compress the Tubing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Roller designs create only a small contact area between roller and tubing. As a result, friction between the tubing wall and the roller stays very low. This design therefore needs no lubricant. The small contact area also limits these pumps to low pressures of around 2 bar. Changing the tubing, on the other hand, is quick and simple.<\/p>\n<figure id=\"attachment_7982\" aria-describedby=\"caption-attachment-7982\" style=\"width: 450px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7982\" title=\"Pumping action of a peristaltic pump with sliding shoes\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/Schlauchpumpe_Funktionsprinzip.gif\" alt=\"Pumping action of a peristaltic pump with sliding shoes\" width=\"450\" height=\"459\" \/><figcaption id=\"caption-attachment-7982\" class=\"wp-caption-text\"><center>Pumping action of a peristaltic pump with sliding shoes<\/center><\/figcaption><\/figure>\n<p style=\"text-align: justify;\">Sliding shoes press over a larger area than rollers, which suits applications that demand higher pressures. That larger contact area, however, raises friction between tubing and shoe. The added friction in turn increases both starting torque and tubing wear.<\/p>\n<p><a href=\"https:\/\/www.rct-online.de\/en\/pumps\/peristaltic-pumps\/29636\/peristaltic-pump-e-25-mp-with-variable-drive\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7985\" title=\"E-25-MP peristaltic pump with variable drive\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpe-e-25-mp-mit-variablem-antrieb.jpg\" alt=\"E-25-MP peristaltic pump with variable drive\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpe-e-25-mp-mit-variablem-antrieb.jpg 500w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpe-e-25-mp-mit-variablem-antrieb-300x300.jpg 300w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpe-e-25-mp-mit-variablem-antrieb-150x150.jpg 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.rct-online.de\/en\/pumps\/peristaltic-pumps\/29638\/masterflex-pump-head-with-short-shaft\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7986\" title=\"Masterflex\u00ae pump head with short shaft\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpen_masterflex-pumpenkopf-mit-kurzer-welle.jpg\" alt=\"Masterflex\u00ae pump head with short shaft\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpen_masterflex-pumpenkopf-mit-kurzer-welle.jpg 500w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpen_masterflex-pumpenkopf-mit-kurzer-welle-300x300.jpg 300w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/schlauchpumpen_masterflex-pumpenkopf-mit-kurzer-welle-150x150.jpg 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">To counter this, the shoes run in a bath of lubricant. Changing the tubing then takes more effort, because you must drain the lubricant and remove the shoes.<\/p>\n<p style=\"text-align: justify;\"><div class=\"box info  \"><div class=\"box-inner-block\"><i class=\"fa tie-shortcode-boxicon\"><\/i>\n\t\t\tFlow rate depends on rotor speed and tubing size. The faster the rotor turns and the larger the tubing diameter, the higher the flow rate.\n\t\t\t<\/div><\/div>\n<p style=\"text-align: justify;\">Depending on the configuration, flow rates range from a few microlitres per minute in miniature pumps to several hundred litres per minute in industrial models.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Service_Life_When_Should_You_Replace_Pump_Tubing\"><\/span>Service Life: When Should You Replace Pump Tubing?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Higher rotor speeds place more strain on the pump tubing and shorten its life. Shoe pressure, the temperature of the medium and the tubing material all play a part too. With the right sizing, pump tubing typically lasts between 500 and 5,000 operating hours, depending on the conditions.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_Peristaltic_Pumps\"><\/span>Advantages of Peristaltic Pumps<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Peristaltic pumps use fewer mechanical parts than most other pumps, so maintenance comes down to a simple tubing change. This lean design keeps maintenance costs well below those of comparable pump types. The pumps need no valves or seals, which lowers the risk of leaks. In fact, leaks occur only when the tubing cracks or turns porous. Peristaltic pumps are self-priming and safe to run dry. Their direction reverses easily, so lines drain and flush without trouble.<\/p>\n<p style=\"text-align: justify;\"><div class=\"box success  \"><div class=\"box-inner-block\"><i class=\"fa tie-shortcode-boxicon\"><\/i>\n\t\t\tThe only part that touches the medium is the inner wall of the tubing. It rinses and sterilises with ease.\n\t\t\t<\/div><\/div>\n<p style=\"text-align: justify;\">Roller pumps run without any lubricant. A wide range of tubing materials is available \u2014 silicone, fluoroelastomer, and EPDM\/PP (ethylene propylene diene rubber \/ polypropylene) \u2014 in many bore sizes and versions.<\/p>\n<p><a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\/epdmpp-tubing\/28516\/epdm\/pp-pump-and-chemical-tubing\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7987\" title=\"EPDM\/PP high-performance pump and chemical tubing\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pp-hochleistungs-pumpen-und-chemieschlauch.jpg\" alt=\"EPDM\/PP high-performance pump and chemical tubing\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pp-hochleistungs-pumpen-und-chemieschlauch.jpg 500w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pp-hochleistungs-pumpen-und-chemieschlauch-300x300.jpg 300w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pp-hochleistungs-pumpen-und-chemieschlauch-150x150.jpg 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\/silicone-tubing\/28689\/silicone-pump-tubing-standard\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7988\" title=\"Silicone pump tubing \u2013 standard\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/silikon-schlaeuche_silikon-pumpenschlauch-standard.jpg\" alt=\"Silicone pump tubing \u2013 standard\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/silikon-schlaeuche_silikon-pumpenschlauch-standard.jpg 500w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/silikon-schlaeuche_silikon-pumpenschlauch-standard-300x300.jpg 300w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/silikon-schlaeuche_silikon-pumpenschlauch-standard-150x150.jpg 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">With the right <a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/application-fields-for-tubings\/pump-tubing\">pump tubing<\/a>, these pumps handle chemicals, concrete, sludge, viscous or pasty foods, and delicate media such as blood. That versatility makes peristaltic pumps especially well suited to laboratory and food applications.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages_of_Peristaltic_Pumps\"><\/span>Disadvantages of Peristaltic Pumps<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Flexible pump tubing wears out over time. It can lose elasticity and develop cracks. Abrasion attacks the tubing wall and reduces its thickness. Both flow rate and delivery pressure suffer as a result.<\/p>\n<p style=\"text-align: justify;\"><div class=\"box error  \"><div class=\"box-inner-block\"><i class=\"fa tie-shortcode-boxicon\"><\/i>\n\t\t\tIf the inner wall abrades, the medium being pumped can become contaminated.\n\t\t\t<\/div><\/div>\n<p style=\"text-align: justify;\">A poor match between pump, medium, tubing diameter and tubing material can damage the tubing. Some applications must also account for an uneven flow inside the tubing. The pumping action can introduce a pulse into the volume flow.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Requirements_for_Pump_Tubing\"><\/span>Requirements for Pump Tubing<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">To work in a peristaltic pump, tubing must resist the medium it carries. It also needs good elasticity and strong elastic recovery. In other words, it should return to its original shape after each deformation. The better that recovery, the more precise the dosing.<\/p>\n<p style=\"text-align: justify;\">High abrasion resistance matters too, since it extends the life of the tubing material. Good abrasion resistance also keeps the medium as free of shed particles as possible. The tubing should flex well, meaning it cracks little under load, and it should show low permeability \u2013 especially when pumping gases.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Which_Pump_Tubing_Suits_Peristaltic_Pumps\"><\/span>Which Pump Tubing Suits Peristaltic Pumps?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Their elasticity and strong recovery make elastomers and thermoplastic elastomers the materials of choice for pump tubing.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Viton%C2%AE_FKM_Tubing_for_Aggressive_Chemicals\"><\/span>Viton\u00ae (FKM) Tubing for Aggressive Chemicals<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Laboratory peristaltic pumps often run on <a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\/fpm-tubing\">Viton\u00ae tubing<\/a> made from fluoroelastomer (FKM, formerly FPM). This tubing handles acids, aliphatic, aromatic and halogenated hydrocarbons, fuels, oils, greases and hydraulic fluids. Fluoroelastomer stays thermally stable from -35 \u00b0C to +200 \u00b0C (-31 \u00b0F to 392 \u00b0F). Industry puts FKM tubing to work across many sectors. The chemical industry uses it for aggressive chemicals, while construction relies on it for concrete and sludge. Printing and coating firms pump inks and paints through it, and petrochemical plants use it for petroleum products.<\/p>\n<p><a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\/pvc-tubing-tygon-tubing\/28620\/tygon-pump-tubing-with-2-stoppers\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7989\" title=\"TYGON\u00ae pump tubing with 2 stoppers\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/tygon-pumpenschlauch-mit-2-stopper.jpg\" alt=\"TYGON\u00ae pump tubing with 2 stoppers\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/tygon-pumpenschlauch-mit-2-stopper.jpg 500w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/tygon-pumpenschlauch-mit-2-stopper-300x300.jpg 300w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/tygon-pumpenschlauch-mit-2-stopper-150x150.jpg 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\/pvc-tubing-tygon-tubing\/28634\/pvc-micro-pump-tubing-for-fuels\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7990\" title=\"PVC micro pump tubing for fuels\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pvc-mikro-pumpenschlauch-fuer-kraftstoffe.jpg\" alt=\"PVC micro pump tubing for fuels\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pvc-mikro-pumpenschlauch-fuer-kraftstoffe.jpg 500w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pvc-mikro-pumpenschlauch-fuer-kraftstoffe-300x300.jpg 300w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/pvc-mikro-pumpenschlauch-fuer-kraftstoffe-150x150.jpg 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Silicone_Tubing_for_Food_and_Medical_Use\"><\/span>Silicone Tubing for Food and Medical Use<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Food-grade peristaltic pumps rely on <a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\/silicone-tubing\">silicone tubing<\/a> for dilute acids and alkalis, alcohols, esters and ketones. This material works across a temperature range from -60 \u00b0C to +200 \u00b0C (-76 \u00b0F to 392 \u00b0F).<\/p>\n<p style=\"text-align: justify;\">Silicone tubing meets the requirements of the US Food and Drug Administration (FDA) and the German Federal Institute for Risk Assessment (BfR). Medical applications add a further hurdle: the tubing must satisfy United States Pharmacopeia (USP) Class VI. Testing covers systemic toxicity through skin contact, inhalation and ingestion, plus intracutaneous reactivity on direct tissue contact.<\/p>\n<p style=\"text-align: justify;\">A final test examines the response after implantation into the tissue of a living organism. Our magazine article <a href=\"https:\/\/www.rct-online.de\/magazin\/en\/usp-class-vi-approval\/\">USP Class VI Approval \u2013 What Does It Mean?<\/a> explains the certification in more detail.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"EPDMPP_Tubing_for_Pharmaceutical_and_Food_Applications\"><\/span>EPDM\/PP Tubing for Pharmaceutical and Food Applications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.rct-online.de\/en\/tubes-hoses\/tubing-made-of-elastomers-soft-rubber\/epdmpp-tubing\">EPDM\/PP tubing<\/a>, based on polypropylene (PP) and ethylene propylene diene rubber (EPDM), also performs well in peristaltic pumps. The material resists many acids, alkalis, ethers, esters, ketones and aldehydes, and works from -45 \u00b0C to +135 \u00b0C (-49 \u00b0F to 275 \u00b0F). Several EPDM\/PP versions meet FDA guidelines, which suits them to medical technology as well as the pharmaceutical and food industries. High-pressure peristaltic pumps usually take fabric-reinforced tubing made from natural rubber (NR), acrylonitrile butadiene rubber (NBR) or polyvinyl chloride (PVC).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Where_Peristaltic_Pumps_Are_Used\"><\/span>Where Peristaltic Pumps Are Used<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">Peristaltic pumps deliver and dose fluids of every kind \u2013 thin or highly viscous, delicate, neutral or aggressive. They suit any process where the medium must never touch the pump itself. For that reason, peristaltic pumps appear so often in the laboratory.<\/p>\n<figure id=\"attachment_7984\" aria-describedby=\"caption-attachment-7984\" style=\"width: 450px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7984 size-full\" title=\"Peristaltic pump with integrated control module\" src=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/peristaltikpumpe-mit-integriertem-steuermodu.jpg\" alt=\"Peristaltic pump with integrated control module\" width=\"450\" height=\"380\" srcset=\"https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/peristaltikpumpe-mit-integriertem-steuermodu.jpg 450w, https:\/\/www.rct-online.de\/magazin\/wp-content\/uploads\/2023\/11\/peristaltikpumpe-mit-integriertem-steuermodu-300x253.jpg 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><figcaption id=\"caption-attachment-7984\" class=\"wp-caption-text\"><center>Peristaltic pump with integrated control module<\/center><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Peristaltic_Pumps_in_Medicine_Food_and_Industry\"><\/span>Peristaltic Pumps in Medicine, Food and Industry<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">In medicine, they serve as infusion pumps, as blood pumps in dialysis machines, and as the blood bypass in heart-lung machines. The food industry doses beverages in vending machines with peristaltic pumps. Dairies use them to convey and fill milk and milk products such as yoghurt or quark. Winemakers, too, rely on them for wine, must and mash.<\/p>\n<p style=\"text-align: justify;\">Paint, printing and coating firms fill paints, varnishes and inks, then feed them into spray systems. Construction crews deploy the pumps for concrete and sludge, while petrochemical plants move petroleum products. Water and wastewater plants add milk of lime \u2013 an aqueous calcium hydroxide suspension \u2013 to adjust the pH value, and peristaltic pumps handle that dosing.<\/p>\n<p style=\"text-align: justify;\">Instrumental analysis depends on them as well. Analysers dose sample solutions through tubing pumps in liquid chromatography, atomic absorption spectroscopy and optical emission spectroscopy. Everyday machines use them too: as condensate pumps in air-conditioning and heating systems, as dosing pumps in coffee machines, and in dishwashers for detergent and rinse aid.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Tubing-Pump_Combination\"><\/span>Choosing the Right Tubing-Pump Combination<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">One feature sets peristaltic pumps apart: only the inner wall of the tubing ever touches the medium. The pump moves almost any medium, provided the tubing material and the fluid are compatible. Different designs cover a wide span of flow rates. For the longest service life, size the pump to the required flow rate and match the tubing-pump combination to the application.<\/p>\n<pre><strong>Image sources:<\/strong>\r\nFeatured image | \u00a9 chanawit \u2013 stock.adobe.com\r\nPumping action of a peristaltic pump | \u00a9 Fluidity.nonstop, CC BY-SA 4.0 &lt;https:\/\/creativecommons.org\/licenses\/by-sa\/4.0&gt;, via Wikimedia Commons\r\nPeristaltic pump with integrated control module | \u00a9 Nikita Rublev \u2013 stock.adobe.com\r\n<\/pre>\n<pre><strong>Sources:<\/strong>\r\nDenkinger, Sandra Nicole: Modelle zur Simulation des Abf\u00fcllprozesses biologisch-pharmazeutischer Arzneimittel. - Bonn, 2010. - Dissertation, Rheinische Friedrich-Wilhelms-Universit\u00e4t Bonn\r\nStefan, Gerkens: Chip-integrierte Peristaltikpumpe f\u00fcr Mikrofluidiksysteme, - Bielefeld, 2006 \u2013 Diplomarbeit, Universit\u00e4t Bielefeld\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Peristaltic pumps work on the same principle that moves food through the oesophagus. Successive muscle contractions along the oesophagus push food forward into the stomach. In a peristaltic pump, a flexible length of tubing takes the place of the oesophagus. Mechanical pressure from outside squeezes the tubing and drives the medium through it. This article &hellip;<\/p>\n","protected":false},"author":13,"featured_media":12824,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4202,4198,4199,4201,4200],"class_list":["post-16570","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-all-articles","tag-epdmpp-tubing","tag-peristaltic-pumps","tag-pump-tubing","tag-silicone-tubing","tag-tubing-pump-combination"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Peristaltic Pumps: Choosing the Right Pump Tubing<\/title>\n<meta name=\"description\" content=\"Peristaltic pumps explained: how they work, their benefits and limits, and how to choose the right pump tubing for your application | RCT Magazine\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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