{"id":4532,"date":"2025-04-22T11:20:23","date_gmt":"2025-04-22T03:20:23","guid":{"rendered":"https:\/\/www.darko-tech.com\/?p=4532"},"modified":"2026-03-04T14:23:50","modified_gmt":"2026-03-04T06:23:50","slug":"the-complete-guide-to-rotary-valves-applications-functions-selection-criteria","status":"publish","type":"post","link":"https:\/\/www.darko-tech.com\/pt\/the-complete-guide-to-rotary-valves-applications-functions-selection-criteria\/","title":{"rendered":"O Guia Completo das V\u00e1lvulas Rotativas: Aplica\u00e7\u00f5es, fun\u00e7\u00f5es e crit\u00e9rios de sele\u00e7\u00e3o"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4532\" class=\"elementor elementor-4532\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fd596e9 e-flex e-con-boxed e-con e-parent\" data-id=\"fd596e9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7dd55fb elementor-widget elementor-widget-text-editor\" data-id=\"7dd55fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.darko-tech.com\/products\/rotary-valve\/\">Rotary valves<\/a> are essential equipment in industrial applications, widely used in cement, food processing, chemical, and other industries.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32ec455 elementor-widget elementor-widget-text-editor\" data-id=\"32ec455\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A rotary feeder valve operates by using a motor and reducer to rotate an evenly divided impeller inside its housing. Material from the upper hopper or feeding device fills the impeller&#8217;s chambers and is discharged at the bottom as the impeller turns.This makes sure the system keeps getting material smoothly and without interruptions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-09bb88b elementor-widget elementor-widget-text-editor\" data-id=\"09bb88b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>This guide answers key questions about rotary valves, including their applications, functions, differences from linear valves, and the role of rotary feeders.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9432438 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9432438\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ddc69d elementor-widget elementor-widget-heading\" data-id=\"4ddc69d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1. What Is a Rotary Valve Used For?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8362930 elementor-widget elementor-widget-text-editor\" data-id=\"8362930\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Rotary valves primarily control bulk material flow while maintaining airtightness in pneumatic conveying systems. Common applications include:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aeda8d7 elementor-widget elementor-widget-text-editor\" data-id=\"aeda8d7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong><a href=\"https:\/\/www.darko-tech.com\/cement-plant-2\/\">Cement Industry<\/a>:<\/strong>\u00a0Precisely regulates cement flow in bulk loading systems.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Food Processing:<\/strong>\u00a0Handles powdery materials like flour and sugar without dust emission.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Chemical Industry:<\/strong>\u00a0Transfers powdered or granular chemicals with leak-proof performance.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Environmental Systems:<\/strong>\u00a0Works with dust collectors to maintain negative pressure.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5d4857 elementor-widget elementor-widget-text-editor\" data-id=\"d5d4857\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Key advantages:\u00a0<strong>High efficiency, low maintenance, and minimized dust pollution.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cfe09ab elementor-widget elementor-widget-heading\" data-id=\"cfe09ab\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. What Is the Function of a Rotary Control Valve?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0266d3d elementor-widget elementor-widget-text-editor\" data-id=\"0266d3d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A rotary control valve not only manages material flow but also adjusts\u00a0<strong>flow rate and pressure<\/strong>. Core functions include:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e880fd2 elementor-widget elementor-widget-text-editor\" data-id=\"e880fd2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong>Precise Metering:<\/strong>\u00a0Controls discharge volume by adjusting rotor speed.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Airlock Function:<\/strong>\u00a0Prevents airflow backflow and stabilizes system pressure.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Automation Integration:<\/strong>\u00a0Connects with PLC systems for smart control.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2c2b06 elementor-widget elementor-widget-text-editor\" data-id=\"d2c2b06\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Example:<\/strong>\u00a0In cement bulk loading systems, rotary control valves prevent dust leakage while improving loading efficiency.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed8bdbf elementor-widget elementor-widget-heading\" data-id=\"ed8bdbf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Key Features of Rotary Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd75b38 elementor-widget elementor-widget-text-editor\" data-id=\"dd75b38\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong>Simple structure<\/strong>, easy maintenance; handles material temperatures from\u00a0<strong>0\u2013300\u00b0C<\/strong>.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Speed adjustable via frequency converter<\/strong>\u00a0for flexible feed control.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Stable discharge rate<\/strong>, even with material property changes.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Good airtightness<\/strong>; slow rotation minimizes material damage.<\/p><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0580d80 e-flex e-con-boxed e-con e-parent\" data-id=\"0580d80\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ea4b00 elementor-widget elementor-widget-heading\" data-id=\"2ea4b00\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. What Is the Difference Between a Rotary Valve and a Linear Valve?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77a05b3 elementor-widget elementor-widget-text-editor\" data-id=\"77a05b3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The main differences lie in\u00a0<strong>motion type and applications<\/strong>:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c76ac41 elementor-widget elementor-widget-text-editor\" data-id=\"c76ac41\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<table><thead><tr><th><strong>Aspect<\/strong><\/th><th><strong>Rotary Valve<\/strong><\/th><th><strong>Linear Valve<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Motion<\/strong><\/td><td>Rotating impeller<\/td><td>Linear movement (up\/down)<\/td><\/tr><tr><td><strong>Materials<\/strong><\/td><td>Powders, granules<\/td><td>Liquids, gases, viscous media<\/td><\/tr><tr><td><strong>Sealing<\/strong><\/td><td>Depends on rotor-housing gap<\/td><td>Higher (e.g., gate valves)<\/td><\/tr><tr><td><strong>Maintenance<\/strong><\/td><td>Regular wear inspection<\/td><td>Frequent seal replacement<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79f6ff9 elementor-widget elementor-widget-text-editor\" data-id=\"79f6ff9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Rotary valves excel in bulk material handling, while linear valves suit liquid\/gas control.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4e6a15 elementor-widget elementor-widget-heading\" data-id=\"b4e6a15\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5. What Is the Purpose of a Rotary Feeder?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b356397 e-flex e-con-boxed e-con e-parent\" data-id=\"b356397\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-82f3731 elementor-widget elementor-widget-text-editor\" data-id=\"82f3731\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A rotary feeder (a specialized rotary valve) ensures:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e26bba8 elementor-widget elementor-widget-text-editor\" data-id=\"e26bba8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong>Uniform Feeding:<\/strong>\u00a0Steady material flow into conveying pipelines.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Clog Prevention:<\/strong>\u00a0Impeller rotation avoids material buildup.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Energy Efficiency:<\/strong>\u00a0Reduces power consumption.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a5338a elementor-widget elementor-widget-text-editor\" data-id=\"5a5338a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Applications:<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2fc974 elementor-widget elementor-widget-text-editor\" data-id=\"b2fc974\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong>Cement plants:<\/strong>\u00a0Transfers cement from <a href=\"https:\/\/www.darko-tech.com\/products\/cement-silo\/\">silos<\/a> to bulk trucks.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Food factories:<\/strong>\u00a0Precisely doses ingredients into mixers.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7142e5b elementor-widget elementor-widget-image\" data-id=\"7142e5b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"419\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Rotary-Valve-6.jpg\" class=\"attachment-large size-large wp-image-1652\" alt=\"An industrial rotary valve machine with a green cover, highlighting its substantial metal framework and functionality.\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Rotary-Valve-6.jpg 558w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/06\/Rotary-Valve-6-300x225.jpg 300w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b182f8 elementor-widget elementor-widget-heading\" data-id=\"9b182f8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">6. How to Select the Right Rotary Valve?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-569aa12 elementor-widget elementor-widget-text-editor\" data-id=\"569aa12\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Consider these factors:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6848b0a elementor-widget elementor-widget-text-editor\" data-id=\"6848b0a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong>Material Properties:<\/strong>\u00a0Particle size, abrasiveness (e.g., wear-resistant design for cement).<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Flow Requirements:<\/strong>\u00a0Valve size based on capacity needs.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Sealing Standards:<\/strong>\u00a0Explosion-proof or food-grade (e.g., stainless steel).<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Automation Needs:<\/strong>\u00a0Variable speed or remote control options.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdfe4c8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bdfe4c8\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f0fc9d elementor-widget elementor-widget-heading\" data-id=\"5f0fc9d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ee7d1d elementor-widget elementor-widget-text-editor\" data-id=\"8ee7d1d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Rotary valves are really important when <a href=\"https:\/\/www.voittocrane.com\/product\/qz-grab-overhead-crane\">working with bulk materials<\/a>. They help keep things flowing smoothly, prevent leaks, and give you control over the process. Whether for cement, food, or chemicals, choosing the right valve <strong>boosts productivity and cuts costs<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78d4310 elementor-widget elementor-widget-text-editor\" data-id=\"78d4310\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Need rotary valves or technical support?<\/strong>\u00a0<a href=\"https:\/\/www.darko-tech.com\/contact-us\/\">Contact<\/a> <a href=\"https:\/\/www.darko-tech.com\/about-us\/\">Darko<\/a>! Our team is ready to assist with\u00a0<strong>custom solutions<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a32c7a4 e-flex e-con-boxed e-con e-parent\" data-id=\"a32c7a4\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-694a7e5 elementor-widget elementor-widget-text-editor\" data-id=\"694a7e5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/www.darko-tech.com\/news\/\">Related Blogs<\/a><\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f7ca027 e-flex e-con-boxed e-con e-parent\" data-id=\"f7ca027\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3cbabe8 e-con-full e-flex e-con e-child\" data-id=\"3cbabe8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-90cb1cb elementor-widget elementor-widget-text-editor\" data-id=\"90cb1cb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/how-to-replace-steel-balls-in-cement-mills\/\">How to Replace Steel Balls in Cement Mills\uff1f<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfbdece elementor-widget elementor-widget-text-editor\" data-id=\"dfbdece\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/the-importance-of-vertical-roller-mills-in-cement-production\/\">The Importance of Vertical Roller Mills in Cement Production<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c16806 elementor-widget elementor-widget-text-editor\" data-id=\"7c16806\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/how-to-choose-the-right-conveyor-system\/\">How To Choose The Right Conveyor System?<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c3b6b0c e-con-full e-flex e-con e-child\" data-id=\"c3b6b0c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc2df2e elementor-widget elementor-widget-text-editor\" data-id=\"cc2df2e\" 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data-id=\"a1aef50\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/how-can-we-effectively-prevent-dust-explosions\/\" data-wplink-edit=\"true\">How Can We Effectively Prevent Dust Explosions?<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d7ea07 e-flex e-con-boxed e-con e-parent\" data-id=\"6d7ea07\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed4e4e6 elementor-widget elementor-widget-text-editor\" data-id=\"ed4e4e6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/www.darko-tech.com\/product\/\">Related Products<\/a><\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aba290c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aba290c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-5457cd1\" data-id=\"5457cd1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-05be35f elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"05be35f\" data-element_type=\"widget\" data-settings=\"{&quot;motion_fx_motion_fx_scrolling&quot;:&quot;yes&quot;,&quot;_animation&quot;:&quot;zoomIn&quot;,&quot;motion_fx_devices&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;]}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/rotary-valve\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/07\/Rotary-Valve-3.jpg);\" role=\"img\" aria-label=\"Two rotary valves stacked on the warehouse floor in a factory setting, showcasing their design and readiness for installation in material handling systems\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tRotary Valve\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-d109610\" data-id=\"d109610\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b23012c elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"b23012c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/atex-dust-collector\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/ATEX-dust-collector-2.jpg);\" role=\"img\" aria-label=\"Outside a white factory, a large ATEX dust collector stands, designed for safe and efficient dust management in hazardous environments.\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tATEX Dust Collector\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-4e73425\" data-id=\"4e73425\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-01e0c3f elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"01e0c3f\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/star-discharge-valve\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Star-ash-discharge-valve.jpg);\" role=\"img\" aria-label=\"A collection of industrial machinery, including a star ash discharge valve, arranged on pallets in a warehouse setting.\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tStar Discharge Valve\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-f750497\" data-id=\"f750497\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5816415 elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"5816415\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/ls-type-auger-conveyor\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/07\/LS-type-screw-conveyor.jpg);\" role=\"img\" aria-label=\"Two LS screw conveyors are placed in the Darko factory, demonstrating their efficient material transportation capabilities\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tLS type auger conveyor\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Rotary valves are essential equipment in industrial applications, widely used in cement, food processing, chemical, and other industries. A rotary feeder valve operates by using a motor and reducer to rotate an evenly divided impeller inside its housing. Material from the upper hopper or feeding device fills the impeller&#8217;s chambers and is discharged at the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1651,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Complete Guide to Rotary Valves: Applications, Functions &amp; Selection Criteria | DARKO<\/title>\n<meta name=\"description\" content=\"Discover the ultimate guide to rotary valves \u2013 how they work, key applications (cement, food, chemical), and expert selection tips.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.darko-tech.com\/pt\/the-complete-guide-to-rotary-valves-applications-functions-selection-criteria\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Complete Guide to Rotary Valves: Applications, Functions &amp; 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