{"id":324,"date":"2023-02-03T12:20:07","date_gmt":"2023-02-03T04:20:07","guid":{"rendered":"http:\/\/www.lvmachine.cn\/en\/?page_id=324"},"modified":"2023-08-25T15:14:47","modified_gmt":"2023-08-25T07:14:47","slug":"af-2","status":"publish","type":"page","link":"http:\/\/www.lvmachine.cn\/en\/af-2\/","title":{"rendered":"AF-2"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"600\" src=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/AF-2-all-new-20230725.jpg\" alt=\"\" class=\"wp-image-932\" srcset=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/AF-2-all-new-20230725.jpg 1500w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/AF-2-all-new-20230725-300x120.jpg 300w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/AF-2-all-new-20230725-1024x410.jpg 1024w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/AF-2-all-new-20230725-768x307.jpg 768w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-87beb0d0 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-ast-global-color-1-background-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:2em;padding-right:2em;padding-bottom:2em;padding-left:2em;flex-basis:20%\">\n<h5 class=\"wp-block-heading has-medium-font-size\"><strong>Air direct-pressure pinch valve<\/strong><\/h5>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-51c0b34d wp-block-columns-is-layout-flex\" style=\"padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)\">\n<div class=\"wp-block-column has-ast-global-color-6-background-color has-background is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:1px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons alignfull is-vertical is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-734eb2c2 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 wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/af-1\/\" style=\"border-radius:0px\">AF-1<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/af-2\/\" style=\"border-radius:0px\">AF-2<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/af-3\/\" style=\"border-radius:0px\">AF-3<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/af-4\/\" style=\"border-radius:0px\">AF-4<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/af-5\/\" style=\"border-radius:0px\">AF-5<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/afh\/\" style=\"border-radius:0px\">AFH<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/afg\/\" style=\"border-radius:0px\">AFG<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/ap\/\" style=\"border-radius:0px\">AP<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/atm\/\" style=\"border-radius:0px\">ATM<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/aqs\/\" style=\"border-radius:0px\">AQS<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/atp-1\/\" style=\"border-radius:0px\">ATP-1<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/atp-2\/\" style=\"border-radius:0px\">ATP-2<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/afp-1\/\" style=\"border-radius:0px\">AFP-1<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/afp-2\/\" style=\"border-radius:0px\">AFP-2<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/afps\/\" style=\"border-radius:0px\">AFPS<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/afap\/\" style=\"border-radius:0px\">AFAP<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.lvmachine.cn\/en\/atap\/\" style=\"border-radius:0px\">ATAP<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-container-core-column-is-layout-ea4ba8cc wp-block-column-is-layout-flow\" style=\"padding-top:0em;padding-right:0em;padding-bottom:0em;padding-left:0em\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28232c24 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(90deg,rgb(19,21,26) 0%,rgb(93,114,131) 100%);padding-top:8px;padding-right:8px;padding-bottom:8px;padding-left:8px\">\n<h4 class=\"wp-block-heading has-text-align-center has-ast-global-color-5-color has-text-color\"><em><strong>Air operated pinch valves<\/strong> \/ AF-2 air operated series<\/em><\/h4>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-ast-global-color-1-background-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:15px;padding-right:15px;padding-bottom:15px;padding-left:15px\">\n<p><em>The AF-2 series air operated pinch valves independently<\/em> <em>developed by LV machinary are widely used in industry,<\/em> <em>medical treatment, chemical industry, food and sewage treatment. Its working principle is as shown in the figure. There is an<\/em> <em>air chamber between the inner sleeve and the valve body.<\/em> <em>When the air in the air chamber is at normal pressure, the inner<\/em> <em>sleeve is in a natural state and the valve is conductive; When<\/em> <em>the air chamber is filled with compressed air, the inner bushing<\/em> <em>is forced to extrude and deform, causing the valve to close;<\/em> <em>When the compressed air is removed, the inner bushing will<\/em> <em>recover to its natural state depending on its own elasticity or<\/em> <em>the pressure in the pipeline, and the valve will be open.<\/em><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3b693de2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-ast-global-color-1-background-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"437\" src=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/af-2-20230725.png\" alt=\"\" class=\"wp-image-933\" srcset=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/af-2-20230725.png 300w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/af-2-20230725-206x300.png 206w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background-color:#efefef;padding-top:var(--wp--preset--spacing--70)\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"386\" src=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/af-2-20230203.png\" alt=\"\" class=\"wp-image-935\" srcset=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/af-2-20230203.png 300w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/08\/af-2-20230203-233x300.png 233w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3b693de2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background-color:#efefef;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"570\" src=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/af-2-20230203-2.png\" alt=\"\" class=\"wp-image-326\" srcset=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/af-2-20230203-2.png 500w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/af-2-20230203-2-263x300.png 263w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column has-background is-layout-flow wp-container-core-column-is-layout-a1196e9b wp-block-column-is-layout-flow\" style=\"background-color:#efefef;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-base-color has-text-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background-color:#ce232f\">\n<h6 class=\"wp-block-heading has-text-align-center has-ast-global-color-5-color has-text-color has-small-font-size\" style=\"padding-top:5px;padding-right:0;padding-bottom:5px;padding-left:0\"><em><strong>Schematic diagram of working principle<\/strong><\/em><\/h6>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-base-color has-text-color is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:12px;padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"200\" src=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/kqzy.png\" alt=\"\" class=\"wp-image-133\" srcset=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/kqzy.png 400w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/kqzy-300x150.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-base-color has-text-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background-color:#ce232f\">\n<h6 class=\"wp-block-heading has-text-align-center has-ast-global-color-5-color has-text-color has-small-font-size\" style=\"padding-top:5px;padding-right:0;padding-bottom:5px;padding-left:0\"><em><strong>Dimension diagram<\/strong><\/em><\/h6>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-base-color has-text-color is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:25px;padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"491\" src=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-2-frame-1024x491.png\" alt=\"\" class=\"wp-image-327\" srcset=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-2-frame-1024x491.png 1024w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-2-frame-300x144.png 300w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-2-frame-768x368.png 768w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-2-frame.png 1097w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"566\" src=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-1-table_en.png\" alt=\"\" class=\"wp-image-313\" srcset=\"http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-1-table_en.png 1000w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-1-table_en-300x170.png 300w, http:\/\/www.lvmachine.cn\/en\/wp-content\/uploads\/2023\/02\/AF-1-table_en-768x435.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Air direct-pressure pinch valve Air operated pinch valv [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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