{"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\/ja\/the-complete-guide-to-rotary-valves-applications-functions-selection-criteria\/","title":{"rendered":"\u30ed\u30fc\u30bf\u30ea\u30fc\u30d0\u30eb\u30d6\u5b8c\u5168\u30ac\u30a4\u30c9\u7528\u9014\u3001\u6a5f\u80fd\u3001\u9078\u5b9a\u57fa\u6e96"},"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 bottom as the impeller turns.This makes sure the system keeps getting material smoothly and without interruptions. This guide answers key questions about rotary valves, including their applications, functions, differences from linear valves, and the role of rotary feeders. 1. What Is a Rotary Valve Used For? Rotary valves primarily control bulk material flow while maintaining [&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\/ja\/the-complete-guide-to-rotary-valves-applications-functions-selection-criteria\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\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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