{"id":3799,"date":"2026-02-26T14:23:00","date_gmt":"2026-02-26T11:23:00","guid":{"rendered":"https:\/\/roitech.cn\/news\/roitech-butterfly-valves-large-diameters-for-abrasive-media\/"},"modified":"2026-04-17T18:29:26","modified_gmt":"2026-04-17T15:29:26","slug":"roitech-butterfly-valves-large-diameters-for-abrasive-media","status":"publish","type":"news","link":"https:\/\/roitech.cn\/en\/news\/roitech-butterfly-valves-large-diameters-for-abrasive-media\/","title":{"rendered":"ROITECH butterfly valves: large diameters for abrasive media"},"content":{"rendered":"\n<p class=\"has-text-color has-link-color wp-elements-af9737d49ace91cfdbe96bdff2cff7af wp-block-paragraph\" style=\"color:#323e48;font-size:24px\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">ROITECH manufactured large-sized <\/mark><a data-type=\"link\" data-id=\"https:\/\/roitech.cn\/products\/flowtech\/zra\/diskovye-zatvori\/\" href=\"https:\/\/roitech.cn\/products\/flowtech\/zra\/diskovye-zatvori\/\">RT-BFV (TE) butterfly valves<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\"><\/mark><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\"> with a diameter of 800 to 2400 mm for one of the Russian non-ferrous metallurgy enterprises.<\/mark><\/a><\/strong><\/p>\n\n<p class=\"has-medium-font-size wp-block-paragraph\">The solution is used in <strong>gas and dust and gas transmission<\/strong> systems, where the equipment operates under the influence of abrasive particles, sulfur compounds and ore processing products.<\/p>\n\n<p class=\"has-text-color has-link-color wp-elements-11ec07329a3036ba7a3c1829e349dead wp-block-paragraph\" style=\"color:#269483;font-size:24px\"><strong>A Purpose-Built Solution for Harsh Environments<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\" style=\"font-size:20px\">The enterprise provides for <strong>outdoor placement of valves<\/strong>, so the impact of climatic factors also requires increased reliability of the equipment. Under these conditions, ROITECH implemented a solution that was resistant to aggressive environments and high loads. <\/p>\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#2694831f;font-size:20px\">To increase reliability and service life, a number of engineering solutions have been implemented in the design of <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\"><a href=\"https:\/\/roitech.cn\/products\/flowtech\/zra\/diskovye-zatvori\/\">RT-BFV (TE)<\/a><\/mark> butterfly valves:<\/p>\n\n<ul style=\"background-color:#2694831f\" class=\"wp-block-list has-background\">\n<li style=\"font-size:20px\">removal <strong>of bearing units outside the housing, <\/strong>eliminating contact with an aggressive environment and the risk of jamming;<\/li>\n\n\n\n<li style=\"font-size:20px\"><strong>one-piece molded body<\/strong>, which provides tightness, strength and resistance to deformation at large diameters;<\/li>\n\n\n\n<li style=\"font-size:20px\"><strong>Adapted geometry of the units, <\/strong>which requires high design accuracy and ensures stable operation of the mechanism;<\/li>\n\n\n\n<li style=\"font-size:20px\"><strong>the use of AISI 321 stainless steel with the addition of titanium, <\/strong>resistant to corrosion and high temperatures, as well as<strong> cold-resistant steels <\/strong>for operation at low temperatures.<\/li>\n<\/ul>\n\n<p class=\"has-text-color has-link-color wp-elements-5c79cb72d60ab617bff49484bff823cf wp-block-paragraph\" style=\"color:#269483;font-size:24px\"><strong>Project implementation<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\" style=\"font-size:20px\">Within the framework of the order, <strong>26 units of equipment with a diameter of 800 to 2400 mm<\/strong> were produced.<\/p>\n\n<p class=\"wp-block-paragraph\" style=\"font-size:20px\">All valves are implemented in outdoor design and with the use of design improvements.<\/p>\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33%\"><div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/roitech.cn\/wp-content\/uploads\/2026\/04\/1f8fa9ae-558c-400a-ba90-8453d500398b-1-300x200.jpg\" alt=\"\" class=\"wp-image-3647\" style=\"aspect-ratio:1.5014821715931228;object-fit:cover\" srcset=\"https:\/\/roitech.cn\/wp-content\/uploads\/2026\/04\/1f8fa9ae-558c-400a-ba90-8453d500398b-1-300x200.jpg 300w, https:\/\/roitech.cn\/wp-content\/uploads\/2026\/04\/1f8fa9ae-558c-400a-ba90-8453d500398b-1-1024x682.jpg 1024w, https:\/\/roitech.cn\/wp-content\/uploads\/2026\/04\/1f8fa9ae-558c-400a-ba90-8453d500398b-1-768x512.jpg 768w, https:\/\/roitech.cn\/wp-content\/uploads\/2026\/04\/1f8fa9ae-558c-400a-ba90-8453d500398b-1.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption class=\"wp-element-caption\">Similar large-diameter valves<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:90%\">\n<p class=\"has-text-align-left wp-block-paragraph\" style=\"font-size:20px\">For the enterprise, this means:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-size:20px\"><strong>Longer equipment lifespan<\/strong><\/li>\n\n\n\n<li style=\"font-size:20px\">reducing the risk of unplanned shutdowns associated with jamming or wear of components;<\/li>\n\n\n\n<li style=\"font-size:20px\">reduction of costs for repair and replacement of valves;<\/li>\n\n\n\n<li style=\"font-size:20px\">the possibility <strong>of using non-standard large-sized solutions<\/strong> adapted to technological processes;<\/li>\n\n\n\n<li style=\"font-size:20px\">reliable operation of the equipment during outdoor operation without additional protective systems.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<p class=\"has-text-color has-link-color wp-elements-b44f07fdf3374bb0fd90f7554bec7f37 wp-block-paragraph\" style=\"color:#269483;font-size:24px\"><strong>Who is the solution suitable for?<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\" style=\"font-size:20px\">Valves with a diameter of <strong>up to 2400 mm with this set of characteristics<\/strong> are a unique solution for the market of industrial pipeline valves. ROITECH&#8217;s engineering expertise and manufacturing capabilities allow us to successfully implement such projects. <\/p>\n\n<p class=\"wp-block-paragraph\" style=\"font-size:20px\"><strong>The combination of large diameter, cast housing and remote bearings<\/strong> makes the equipment in demand in industries with high requirements for reliability, such as metallurgy, mining and processing enterprises and the chemical industry.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion has-background is-layout-flow wp-block-accordion-is-layout-flow\" style=\"background-color:#313d4729\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading has-text-color has-link-color wp-elements-367169e130f3d1be81960bbc335547c3\" style=\"color:#323e48;font-size:32px\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">ROITECH+ FLOW TECHNOLOGIES<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\"><\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-1\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"has-text-color has-link-color wp-elements-2ca07cfb605e1a2b30fb2c37b769fcae wp-block-paragraph\" style=\"color:#323e48\"><a href=\"https:\/\/roitech.cn\/en\/products\/flowtech\/\" data-type=\"link\" data-id=\"https:\/\/roitech.cn\/products\/flowtech\/\"><strong>ROITECH flow technologies<\/strong><\/a> are complete solutions for the transportation and management of flows in mining and processing plants. The portfolio includes: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-text-color has-link-color wp-elements-74fe79aff039a2c6ffeb4b9eee6d3907\" style=\"color:#323e48\"><strong>Slurry pumps<\/strong> for various stages of processing (including vortex solutions for gentle pumping)<\/li>\n\n\n\n<li class=\"has-text-color has-link-color wp-elements-12e3badf7fe3925b7a6d0cd1df5cab26\" style=\"color:#323e48\"><strong>water pumps<\/strong> for water supply and sewerage systems;<\/li>\n\n\n\n<li class=\"has-text-color has-link-color wp-elements-99aeac840e8be6fab2e9233a5c795cbb\" style=\"color:#323e48\"><strong>shut-off and control valves<\/strong> for control of technological flows.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-1ab8b5cc5082e78a9315748c54690b8c wp-block-paragraph\" style=\"color:#323e48\">The equipment covers a wide range of operating parameters (capacity &#8211; from 5 to 20,000 m\u00b3\/h, head &#8211; up to 2000 m) and is made of materials resistant to abrasive and chemical wear &#8211; from high-chromium cast irons to rubbers and elastomers.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-216c7018ca1888545518e483b1be2302 wp-block-paragraph\" style=\"color:#323e48\"><strong>At present, more than 2.5 thousand slurry pumps, more than 650 water pumps and more than 8 thousand units of shut-off and control valves have been produced in Russia, Indonesia, Kazakhstan and Uzbekistan.<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-88b0e0371b704d800bcc101f70c979c6 wp-block-paragraph\" style=\"color:#323e48\">ROITECH&#8217;s expertise covers the beneficiation of gold, iron, copper, nickel, phosphates, potassium, kimberlite, coal and zinc.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons has-white-background-color has-background is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/roitech.cn\/products\/\">More about ROITECH products<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 is-style-fill\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"mailto:info@roitech.cn\">Contact Us<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"featured_media":3802,"template":"","class_list":["post-3799","news","type-news","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ROITECH butterfly valves: large diameters for abrasive media - Roitech<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/roitech.cn\/en\/news\/roitech-butterfly-valves-large-diameters-for-abrasive-media\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ROITECH butterfly valves: large diameters for abrasive media - Roitech\" \/>\n<meta property=\"og:description\" content=\"ROITECH manufactured large-sized RT-BFV (TE) butterfly valves with a diameter of 800 to 2400 mm for one of the Russian non-ferrous metallurgy enterprises. 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