{"id":5615,"date":"2024-04-10T08:23:56","date_gmt":"2024-04-10T05:23:56","guid":{"rendered":"https:\/\/kopar.fi\/?page_id=5615"},"modified":"2025-02-28T11:50:40","modified_gmt":"2025-02-28T09:50:40","slug":"rotary-valves","status":"publish","type":"page","link":"https:\/\/kopar.fi\/en\/pneumaattinen-kuljetus\/sulkusyottimet\/","title":{"rendered":"Rotary Valves"},"content":{"rendered":"<div id=\"hero-block_6887ca0b793c96858d6c31533c07f57a\" class=\"hero default alignfull\">\n\t<picture class=\"hero__image\">\n\t\t<source media=\"(min-width: 830px)\" srcset=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/02\/rotary_valves_and_feeders-1-1000x668.jpg\"><source media=\"(min-width: 450px)\" srcset=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/02\/rotary_valves_and_feeders-1.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/02\/rotary_valves_and_feeders-1-750x750.jpg\" class=\"attachment-square--md size-square--md hero__picture\" alt=\"rotary valves and feeders\" sizes=\"100vw\" loading=\"eager\" srcset=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/02\/rotary_valves_and_feeders-1-750x750.jpg 750w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/02\/rotary_valves_and_feeders-1-150x150.jpg 150w\" \/>\t<\/picture>\n\t\t<div class=\"hero__content\">\n\t\t<div class=\"hero__content__first\">\n\t\t\t\t\t\t\t<p class=\"hero__title-small is-style-smallcaps\">\n\t\t\t\t\tPneumatic conveying \/ Rotary Valves \t\t\t\t<\/p>\n\t\t\t\t<h1 class=\"hero__title\">Rotary valves for heavy industries <\/h1>\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n<div class=\"wp-block-group__container va-container alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group alignfull is-style-rounded is-style-widecontent has-avocado-curve-color\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"is-style-ingress\">Accurate feed rate, required capacity, and dust-free operation are crucial elements for smooth operation in the process industry. Rotary valves or air lock feeders can make or break your production capabilities.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section id=\"business-card-block_869d2ef1c5cd062e54db22576196b6ef\" class=\"business-card default\" >\n\t<div class=\"tag\">Interested? Contact:<\/div>\n\t\t\t<picture class=\"business-card__image\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/kopar.fi\/wp-content\/uploads\/2024\/02\/lehtila_eero.jpg-muokattu-750x750.png\" alt=\"Eero Lehtil\u00e4\" loading=\"lazy\">\n\t\t<\/picture>\n\t\t<div class=\"business-card__content\">\n\t\t<h3>Eero Lehtil\u00e4<\/h3>\n\t\t<p class=\"person--title\">Director, Technology<\/p>\n\t\t<p class=\"person--email\">\n\t\t\t<a href=\"\/en\/&\/#x6d;&#97;i&#x6c;&#116;o&#x3a;&#101;e&#x72;&#111;&#46;&#x6c;&#101;h&#x74;&#x69;l&#x61;&#x40;&#107;&#x6f;&#x70;&#97;&#x72;&#x2e;&#102;i\">eero.lehtila@kopar.fi<\/a>\t\t<\/p>\n\t\t<p class=\"person--phone\">\n\t\t\t<a href=\"\/en\/&\/#x74;&#x65;&#108;:&#x2b;&#x33;&#x35;&#56;%&#x32;&#x30;&#x34;&#49;%&#x32;&#x30;&#x35;&#52;3&#x39;&#x37;&#x38;&#54;\">+358 41 5439786<\/a>\t\t<\/p>\n\t<\/div>\n<\/section>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Heavy industries have used our rotary feeders for decades. Designed to last, the system stays gas-tight when adequately maintained, and maintains its dosing capacities consistently, without any fluctuations.<\/p>\n\nTerms rotary feeder and rotary valve are typically used as synonyms.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Rotary valve can also act as an air lock valve preventing air leakages and creating a controlled atmosphere. Dosing, feeding or discharging capacities vary according to the bulk density and flow characteristics of material as well as the size of the rotary feeder and its operating speed that can easily be adjusted with a frequency converter.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Typical usage cases range from 100 kg\/h to hundreds of tons per hour.<\/p>\n\nWhen operating with hot materials, we at Kopar have extensive know-how and experience in adjusting the tolerances due to thermal expansion to match your requirements perfectly.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-group__container va-container alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group alignfull is-style-widecontent has-lightgray-background-color has-background\">\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-3 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:50%\">\n<h2 class=\"wp-block-heading is-style-h3\">Suitable usage cases for our closure valves<\/h2>\n\n\n<div class=\"wp-block-list__container va-container\">\n<ul class=\"wp-block-list\">\n<li>Chemical &amp; mineral industry<div class=\"wp-block-list__container va-container\">\n<ul class=\"wp-block-list\">\n<li>Feeding &amp; dosing of oxides, hydroxides, sulphates<\/li>\n<\/ul>\n<\/div><\/li>\n\n\n\n<li>Energy &amp; Power industry<div class=\"wp-block-list__container va-container\">\n<ul class=\"wp-block-list\">\n<li>Lime blower transfer<\/li>\n<\/ul>\n<\/div><\/li>\n\n\n\n<li>Metallurgical industry<div class=\"wp-block-list__container va-container\">\n<ul class=\"wp-block-list\">\n<li>Blower conveying of flue dust<\/li>\n\n\n\n<li>Pressure injection of concentrate<\/li>\n<\/ul>\n<\/div><\/li>\n<\/ul>\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:50%\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"771\" src=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/04\/img_2714-scaled-e1680545553306-1024x771.jpg\" alt=\"\" class=\"wp-image-3337\" style=\"width:768px;height:578px\" srcset=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/04\/img_2714-scaled-e1680545553306-1024x771.jpg 1024w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/04\/img_2714-scaled-e1680545553306-300x226.jpg 300w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/04\/img_2714-scaled-e1680545553306-768x578.jpg 768w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/04\/img_2714-scaled-e1680545553306-1536x1157.jpg 1536w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/04\/img_2714-scaled-e1680545553306.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-group__container va-container alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group alignfull is-style-widecontent has-white-color has-avocado-background-color has-text-color has-background\">\n<p class=\"has-text-align-center is-style-h3 has-tangerine-color has-text-color\">Typical features of Kopar Rotary feeders:<\/p>\n\n\n\n<div class=\"wp-block-columns is-style-infograph is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"is-style-default\">Capacity (t\/h)<\/p>\n\n\n\n<p class=\"is-style-default\">0-150 <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"is-style-default\">Material temperature (\u00b0C)<\/p>\n\n\n\n<p class=\"is-style-default\">0-300 <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"is-style-default has-white-color has-text-color\">References (pcs)<\/p>\n\n\n\n<p class=\"is-style-default\">900<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-group__container va-container alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group alignfull is-style-widecontent\">\n<h2 class=\"wp-block-heading alignwide is-style-narrow\">Keep your business running<\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section id=\"content-card-block_bc7a1cac8c31a25c0738928e4cc350ef\" class=\"content-card is-style-default default card-color-white\" >\n\t<div class=\"content-card__wrapper\">\t\t<div class=\"content-card__media\t\t media-height--normal\">\n\t\t\t\t\t<picture class=\"content-card-image\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/02\/kopar_bolidenodda-145-600x400.jpg\" alt=\"\" loading=\"lazy\">\t\t\t<\/picture>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"content-card__container\">\n\t\t\t<div class=\"content-card__content\">\n\t\t\t\n\n<h2 class=\"wp-block-heading is-style-h3\">Controlled atmosphere and dust-free operation<\/h2>\n\n\n\n<p>The primary function of rotary feeders and rotary valves is to discharge, feed or dose material from a hopper, bin or silo to the following process stage at desired feed rate, be it constant, variable or adjustable.<\/p>\n\n\n\n<p>When the rotary valve serves as an airlock, it prevents any leakage of air backwards in the system and, thus, enables a controlled atmosphere.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section id=\"content-card-block_935e374171b7724ed8fe1d4e941cf79d\" class=\"content-card default card-color-white\" >\n\t<div class=\"content-card__wrapper\">\t\t<div class=\"content-card__media\t\t media-height--normal\">\n\t\t\t\t\t<picture class=\"content-card-image\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/02\/rotary_valves_and_feeders-1-600x400.jpg\" alt=\"rotary valves and feeders\" loading=\"lazy\">\t\t\t<\/picture>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"content-card__container\">\n\t\t\t<div class=\"content-card__content\">\n\t\t\t\n\n<h2 class=\"wp-block-heading is-style-h3\">Rotary feeders are critical for blower conveying<\/h2>\n\n\n\n<p>Rotary valves and feeders are critical in low-pressure pneumatic conveying, known as blower conveying. Additionally, pressure injection, in which material is fed at a constant feed rate through a submerged lance inside a molten slag, could not be applied without a rotary feeder or rotary valves.&nbsp;<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section id=\"content-card-block_8c7364a55391bc183847e41366c656ee\" class=\"content-card default card-color-white\" >\n\t<div class=\"content-card__wrapper\">\t\t<div class=\"content-card__media\t\t media-height--normal\">\n\t\t\t\t\t<picture class=\"content-card-image\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/04\/sulkusyotin-3-rv-dn200-250-250-600x400.jpg\" alt=\"\" loading=\"lazy\">\t\t\t<\/picture>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"content-card__container\">\n\t\t\t<div class=\"content-card__content\">\n\t\t\t\n\n<h2 class=\"wp-block-heading is-style-h3\">Designed to fit the place and purpose<\/h2>\n\n\n\n<p>In addition to the atmospheric control of the gas phase, the closed design of the system with various sealing technologies for the rotating axle also ensures a practically dust-free operation with dusty, powdery materials.<\/p>\n\n\n\n<p>Furthermore, when operating with hot materials, we at Kopar have extensive know-how and experience in adjusting the tolerances due to thermal expansion to match perfectly your requirements.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-cover__container va-container alignfull\">\n<div class=\"wp-block-cover alignfull is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-white-background-color has-background-dim-100 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center is-style-h3\">Test how Kopar's pneumatic conveying products fits your production plans<\/h2>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-button--download\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/downloads\/\">Download 3D model<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n<div class=\"wp-block-cover__container va-container alignfull\">\n<div class=\"wp-block-cover alignfull has-custom-content-position is-position-center-left\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-avocado-background-color has-background-dim-70 has-background-dim\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1280\" class=\"wp-block-cover__image-background wp-image-2831\" alt=\"Kopar Service Manager\" src=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/03\/kopar_servicemanager_vma.jpg\" style=\"object-position:50% 20%\" data-object-fit=\"cover\" data-object-position=\"50% 20%\" srcset=\"https:\/\/kopar.fi\/wp-content\/uploads\/2023\/03\/kopar_servicemanager_vma.jpg 1920w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/03\/kopar_servicemanager_vma-300x200.jpg 300w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/03\/kopar_servicemanager_vma-1024x683.jpg 1024w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/03\/kopar_servicemanager_vma-768x512.jpg 768w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/03\/kopar_servicemanager_vma-1536x1024.jpg 1536w, https:\/\/kopar.fi\/wp-content\/uploads\/2023\/03\/kopar_servicemanager_vma-600x400.jpg 600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-left is-style-narrow has-lemon-color has-text-color\">You have a challenge that needs solving?<\/h2>\n\n\n\n<p class=\"has-text-align-left\">Let us help! Contact us for more information\nabout our products and services.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color wp-element-button\" href=\"\/en\/contact\/\">Contact us<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Accurate feed rates, sufficient capacity and dust-free operation are crucial for the smooth running of the process industry. Reliable shut-off feeders and tray feeders are key. Heavy industry has been using our trap and tray feeders for decades. They are designed to last. Properly maintained, they remain gas-tight and maintain their dosing capacity without fluctuations. Dosing, feeding or discharging capacities vary according to the bulk density and flow characteristics of the material, as well as the...<\/p>","protected":false},"author":4,"featured_media":2156,"parent":5597,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"class_list":["post-5615","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/pages\/5615","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/comments?post=5615"}],"version-history":[{"count":4,"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/pages\/5615\/revisions"}],"predecessor-version":[{"id":8416,"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/pages\/5615\/revisions\/8416"}],"up":[{"embeddable":true,"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/pages\/5597"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/media\/2156"}],"wp:attachment":[{"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/media?parent=5615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kopar.fi\/en\/wp-json\/wp\/v2\/categories?post=5615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}