{"id":2174,"date":"2022-06-30T02:17:17","date_gmt":"2022-06-30T02:17:17","guid":{"rendered":"https:\/\/xintaivalves.com\/?p=2174"},"modified":"2024-09-26T15:39:15","modified_gmt":"2024-09-26T07:39:15","slug":"how-does-a-trunnion-work","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/how-does-a-trunnion-work\/","title":{"rendered":"Trunnion ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/how-does-a-trunnion-work\/#What_Is_a_Trunnion_Valve\" >Van Trunnion l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/how-does-a-trunnion-work\/#What_Is_a_Trunnion_Valve_and_How_Does_It_Work\" >Van Trunnion l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Trunnion th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t van bi. Tr\u1ee5c n\u00e0y gi\u1eef cho qu\u1ea3 b\u00f3ng b\u00ean trong van \u1edf \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 \u0111i\u1ec1u khi\u1ec3n d\u00f2ng ch\u1ea3y v\u1edbi n\u00f3. M\u1ed9t van bi \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ed9t tr\u1ee5c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 van bi tr\u1ee5c.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t van bi trong gi\u00e1 treo tr\u1ee5c s\u1ebd m\u1edf ho\u1eb7c \u0111\u00f3ng d\u01b0\u1edbi \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch ho\u00e0n to\u00e0n. H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd s\u1ef1 gia t\u0103ng nhanh ch\u00f3ng v\u1ec1 \u00e1p su\u1ea5t c\u0169ng nh\u01b0 c\u00e1c l\u1ef1c g\u00e2y ra. N\u1ebfu m\u1ed9t van m\u1edf \u1edf \u00e1p su\u1ea5t th\u1ea5p, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i s\u1eed d\u1ee5ng van c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd ch\u00eanh l\u1ec7ch cao.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi c\u00f3 g\u1eafn tr\u1ee5c c\u00f3 m\u1ed9t qu\u1ea3 b\u00f3ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o th\u00e2n tr\u1ee5c c\u00f3 hai tr\u1ee5c. Van bi g\u1eafn tr\u00ean tr\u1ee5c s\u1eed d\u1ee5ng c\u00e1c tr\u1ee5c \u1edf tr\u00ean v\u00e0 d\u01b0\u1edbi \u0111\u1ec3 gi\u1eef cho qu\u1ea3 b\u00f3ng c\u1ed1 \u0111\u1ecbnh t\u1ea1i ch\u1ed7. Thi\u1ebft k\u1ebf n\u00e0y cho ph\u00e9p d\u1eebng d\u00f2ng ch\u1ea3y ho\u1eb7c \u0111\u1ec3 n\u00f3 \u0111i qua trong khi v\u1eabn cho ph\u00e9p d\u00f2ng ch\u1ea3y di chuy\u1ec3n.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft th\u00eam v\u1ec1 m\u1ed9t tr\u1ee5c trong van bi v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3, h\u00e3y ti\u1ebfp t\u1ee5c \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y.&nbsp;<\/p>\n\n\n\n<h2 class=\"has-vivid-red-color has-text-color wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"What_Is_a_Trunnion_Valve\"><\/span><strong>Van Trunnion l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van trunnion l\u00e0 m\u1ed9t lo\u1ea1i van bi. N\u00f3 \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean m\u1ed9t tr\u1ee5c v\u00e0 n\u00f3 c\u00f3 n\u1eafp ca-p\u00f4 c\u00f3 th\u1ec3 th\u00e1o r\u1eddi, gi\u00fap d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong c\u1ee7a n\u00f3. Vi\u1ec7c l\u1eafp r\u00e1p c\u00e1c van n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng v\u00ec c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ec1u c\u00f3 th\u1ec3 th\u00e1o r\u1eddi d\u1ec5 d\u00e0ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c lo\u1ea1i van kh\u00e1c, ch\u00fang kh\u00f4ng c\u1ea7n ph\u1ea3i th\u00e1o ra kh\u1ecfi \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t van bi trong m\u1ed9t tr\u1ee5c bao g\u1ed3m m\u1ed9t th\u00e2n v\u00e0 m\u1ed9t qu\u1ea3 b\u00f3ng, \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p t\u1eeb ph\u00eda tr\u00ean. Qu\u1ea3 b\u00f3ng n\u1eb1m b\u00ean trong tr\u1ee5c v\u00e0 \u0111\u01b0\u1ee3c xoay v\u00e0o th\u00e2n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng ch\u1ea3y. C\u00f3 c\u00e1c con d\u1ea5u b\u00ean trong th\u00e2n v\u00e0 gh\u1ebf \u0111\u1ec3 gi\u1eef cho ch\u1ea5t l\u1ecfng kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9. M\u1ed9t s\u1ed1 van trunnion c\u0169ng c\u00f3 h\u1ed9p \u0111\u00f3ng g\u00f3i \u0111\u1ec7m c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh cho ph\u00e9p n\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c \u00e1p su\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van trunnion c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i ho\u1eb7c v\u1eadt li\u1ec7u nh\u1ef1a. M\u1ed9t lo\u1ea1i \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u nh\u1ef1a nhi\u1ec7t d\u1ebbo (PTFE), r\u1ea5t t\u1ed1t cho kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc v\u00e0 ni\u00eam phong ch\u1eb7t ch\u1ebd. Tuy nhi\u00ean, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a gh\u1ebf m\u1ec1m l\u00e0 n\u00f3 c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng do m\u00e0i m\u00f2n ho\u1eb7c ch\u1ea5t l\u1ecfng b\u1ea9n. Van ng\u1ed3i b\u1eb1ng kim lo\u1ea1i c\u0169ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi n\u1ebfu b\u1ea1n mu\u1ed1n nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao. Gh\u1ebf m\u1ec1m c\u0169ng cung c\u1ea5p kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n m\u01b0\u1ee3t m\u00e0 h\u01a1n.<\/p>\n\n\n\n<h2 class=\"has-vivid-red-color has-text-color wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"What_Is_a_Trunnion_Valve_and_How_Does_It_Work\"><\/span><strong>Van Trunnion l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a van trunnions t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n. Tr\u00ean th\u1ef1c t\u1ebf, lo\u1ea1i van n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb m\u00e1y n\u00e9n kh\u00ed \u0111\u1ebfn \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u v\u00e0 kh\u00ed \u0111\u1ed1t. Van trunnion ho\u1ea1t \u0111\u1ed9ng theo hai c\u00e1ch, cho ph\u00e9p n\u00f3 \u0111\u00f3ng v\u00e0 m\u1edf van khi \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho \u0111\u01b0\u1eddng \u1ed1ng. Ch\u1ee9c n\u0103ng ch\u1ea3y m\u00e1u, m\u1ed9t t\u00ednh n\u0103ng c\u1ee7a van cho ph\u00e9p th\u00f4ng h\u01a1i gi\u1eefa hai b\u1ec1 m\u1eb7t b\u1ecbt k\u00edn, \u0111\u01b0\u1ee3c bao g\u1ed3m trong m\u1ed9t s\u1ed1 lo\u1ea1i van tr\u1ee5c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi g\u1eafn v\u00e0o m\u1ed9t tr\u1ee5c c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 van bi g\u1eafn v\u00e0o tr\u1ee5c. Ch\u00fang bao g\u1ed3m hai qu\u1ea3 c\u1ea7u, v\u1edbi m\u1ed9t trong nh\u1eefng qu\u1ea3 c\u1ea7u ch\u1ee9a m\u1ed9t qu\u1ea3 b\u00f3ng r\u1ed7ng. C\u00e1c qu\u1ea3 b\u00f3ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi tr\u1ee5c th\u00f4ng qua m\u1ed9t th\u00e2n c\u00e2y. Trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng m\u1edf van trunnion, vi\u00ean bi s\u1ebd \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi th\u00e2n van v\u00e0 m\u1ed9t l\u00f2 xo nh\u1ecf. Gh\u1ebf c\u00f3 l\u00f2 xo n\u00e0y gi\u1eef qu\u1ea3 b\u00f3ng \u1edf \u0111\u00fang v\u1ecb tr\u00ed khi b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u1eadt l\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi g\u1eafn tr\u00ean tr\u1ee5c s\u1eed d\u1ee5ng m\u1ed9t qu\u1ea3 b\u00f3ng g\u1eafn tr\u00ean tr\u1ee5c l\u00e0m gi\u00e1 \u0111\u1ee1 cho qu\u1ea3 b\u00f3ng, cho ph\u00e9p n\u00f3 ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n. Van bi g\u1eafn tr\u00ean tr\u1ee5c c\u0169ng c\u00f3 b\u1ec7 di \u0111\u1ed9ng, c\u00f3 ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t van gi\u1ea3m \u00e1p khi \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 l\u1ef1c l\u00f2 xo. Van c\u0169ng c\u00f3 c\u01a1 ch\u1ebf t\u1ef1 l\u00e0m s\u1ea1ch. \u0110\u00f3 l\u00e0 l\u00fd t\u01b0\u1edfng cho van b\u1eadt t\u1eaft cho s\u1ee3i, h\u1ea1t r\u1eafn nh\u1ecf v\u00e0 ch\u1ea5t l\u1ecfng nh\u1edbt.<\/p>\n\n\n\n<iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/x9EqWIfjW40\" title=\"tr\u00ecnh ph\u00e1t video YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>","protected":false},"excerpt":{"rendered":"<p>The trunnion is often used in many industrial applications. It is also used in a ball valve. This trunnion keeps the ball inside the valve in place and controls the flow with it. A ball valve equipped with a trunnion is known as a trunnion ball valve.&nbsp; A ball valve in a trunnion mount will [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1972,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/2174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/comments?post=2174"}],"version-history":[{"count":1,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/2174\/revisions"}],"predecessor-version":[{"id":2175,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/2174\/revisions\/2175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/1972"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=2174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=2174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=2174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}