{"id":13952973,"date":"2024-11-05T01:35:46","date_gmt":"2024-11-05T01:35:46","guid":{"rendered":"https:\/\/yp.vn\/?p=13952973"},"modified":"2024-11-05T07:36:07","modified_gmt":"2024-11-05T07:36:07","slug":"5-loai-van-cong-nghiep-pho-bien-nhat-tai-viet-nam-hien-nay","status":"publish","type":"post","link":"https:\/\/yp.com.vn\/5-loai-van-cong-nghiep-pho-bien-nhat-tai-viet-nam-hien-nay\/","title":{"rendered":"5 lo\u1ea1i van c\u00f4ng nghi\u1ec7p ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam hi\u1ec7n nay"},"content":{"rendered":"<p><a href=\"https:\/\/yp.vn\/nganh-nghe\/cong-nghiep-co-khi-cong-nghiep-102\/van-cong-nghiep\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>Van c\u00f4ng nghi\u1ec7p<\/strong><\/a> \u0111\u00e3 t\u1ed3n t\u1ea1i h\u01a1n m\u1ed9t th\u1ebf k\u1ef7. Khi c\u00e1c \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean c\u1ee5 th\u1ec3 v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n, van \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh 5 lo\u1ea1i ch\u00ednh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau. 5 lo\u1ea1i van n\u00e0y bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 c\u00f4ng nghi\u1ec7p.<\/p>\n<p>Sau \u0111\u00e2y YP.VN s\u1ebd n\u00eau ra 5 lo\u1ea1i van c\u00f4ng nghi\u1ec7p ph\u1ed5 bi\u1ebfn nh\u1ea5t cho c\u00e1c b\u1ea1n tham kh\u1ea3o<\/p>\n<h4><strong>1. Van bi (ball valve)<\/strong><\/h4>\n<p><strong>Van bi<\/strong> hay c\u00f2n c\u00f3 t\u00ean ti\u1ebfng anh l\u00e0 ball valve. T\u00ednh n\u0103ng kh\u00e1c bi\u1ec7t c\u1ee7a van bi l\u00e0 \u0111\u0129a h\u00ecnh qu\u1ea3 bi c\u00f3 t\u00e1c d\u1ee5ng d\u1eebng ho\u1eb7c b\u1eaft \u0111\u1ea7u di chuy\u1ec3n khi l\u01b0u ch\u1ea5t \u0111i qua.\u00a0 Van bi l\u00e0 m\u1ed9t trong nh\u1eefng <a href=\"https:\/\/yp.vn\/nganh-nghe\/cong-nghiep-co-khi-cong-nghiep-102\/van-cong-nghiep\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>van c\u00f4ng nghi\u1ec7p<\/strong><\/a> c\u00f3 th\u1eddi gian \u0111\u00f3ng m\u1edf nhanh nh\u1ea5t v\u00ec n\u00f3 ch\u1ec9 c\u1ea7n m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng \u0111\u1ec3 m\u1edf ho\u1eb7c \u0111\u00f3ng.<\/p>\n<h5><strong>\u01afu \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>Kh\u1ea3 n\u0103ng \u0111\u00f3ng\/m\u1edf nhanh ch\u00f3ng<\/li>\n<li>\u00cdt b\u1ecb r\u00f2 r\u1ec9 v\u00e0 h\u01b0 m\u00f2n n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch.<\/li>\n<li>Gi\u00e1 th\u00e0nh c\u1ee7a van r\u1ebb, kh\u00e1 ph\u1ed5 bi\u1ebfn n\u00ean ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1eb7t mua d\u1ec5 d\u00e0ng<\/li>\n<li>Chi ph\u00ed b\u1ea3o tr\u00ec, b\u1ea3o d\u01b0\u1ee1ng th\u1ea5p<\/li>\n<li>Gi\u1ea3m \u00e1p su\u1ea5t t\u1ed1i thi\u1ec3u<\/li>\n<li>Th\u1eddi gian nhanh d\u1ec3 d\u00e0ng v\u1eadn h\u00e0nh.<\/li>\n<\/ul>\n<div id=\"attachment_13952974\" style=\"width: 384px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-13952974\" class=\"wp-image-13952974 size-full\" src=\"https:\/\/yp.vn\/wp-content\/uploads\/2024\/11\/5a.jpg\" alt=\"Van c\u00f4ng nghi\u1ec7p 1\" width=\"374\" height=\"372\" srcset=\"https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/5a.jpg 374w, https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/5a-300x298.jpg 300w, https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/5a-150x150.jpg 150w\" sizes=\"auto, (max-width: 374px) 100vw, 374px\" \/><p id=\"caption-attachment-13952974\" class=\"wp-caption-text\">Van bi hay c\u00f2n c\u00f3 t\u00ean ti\u1ebfng anh l\u00e0 ball valve<\/p><\/div>\n<h5><span id=\"Nhuoc_diem\" class=\"ez-toc-section\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>Van bi c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ti\u1ebft d\u00f2ng l\u01b0u ch\u1ea5t k\u00e9m n\u00ean n\u00f3 ch\u1ec9 d\u00f9ng \u1edf nh\u1eefng h\u1ec7 th\u1ed1ng c\u00f3 c\u00f4ng su\u1ea5t nh\u1ecf<\/li>\n<li>\u00a0Van kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho nh\u1eefng \u1ee9ng d\u1ee5ng bu\u1ed9c ph\u1ea3i \u0111i\u1ec1u ti\u1ebft li\u00ean t\u1ee5c<\/li>\n<li>Van bi \u0111\u01b0\u1ee3c khuy\u1ebfn c\u00e1o kh\u00f4ng s\u1eed d\u1ee5ng cho c\u00e1c l\u01b0u ch\u1ea5t c\u00f3 l\u1eabn b\u00f9n, c\u00e1t, b\u1ed9t, xi m\u0103ng v\u00ec c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn, tr\u1ea7y x\u01b0\u1edbc, r\u00e1ch gio\u0103ng ph\u1edbt d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u00f3ng m\u1edf b\u1ecb gi\u00e1n \u0111o\u1ea1n, h\u1ecfng van nhanh v\u00e0 r\u00f2 r\u1ec9.<\/li>\n<\/ul>\n<h5><span id=\"Cac_ung_dung\" class=\"ez-toc-section\"><\/span><strong>C\u00e1c \u1ee9ng d\u1ee5ng<\/strong><\/h5>\n<p>V\u1edbi \u0111i\u1ec3m n\u1ed5i b\u1eadt l\u00e0 cho d\u00f2ng ch\u1ea3y \u0111i qua nh\u01b0ng l\u1ea1i kh\u00f4ng c\u00f3 t\u1ed5n th\u1ea5t \u0111\u00e1ng k\u1ec3 n\u00e0o th\u00ec n\u00f3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ea5t nhi\u1ec1u trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau. Nhi\u1ec1u lo\u1ea1i <a href=\"http:\/\/www.upflow.com\" rel=\"nofollow noopener\" target=\"_blank\"><strong>van c\u00f4ng nghi\u1ec7p<\/strong><\/a> n\u00ean ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn th\u00f4ng minh sao cho ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u0111\u1eb7c t\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<ul>\n<li>H\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n, h\u1ec7 th\u1ed1ng h\u01a1i n\u00f3ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p l\u1ef1c cao.<\/li>\n<li>H\u1ec7 th\u1ed1ng n\u01b0\u1edbc, h\u1ec7 th\u1ed1ng kh\u00ed gas, h\u1ec7 th\u1ed1ng kh\u00ed c\u00f3 y\u00eau c\u1ea7u kh\u00f4ng t\u1ea1o b\u1ecdt kh\u00ed.<\/li>\n<li>D\u00f9ng trong c\u00e1c h\u1ec7 th\u1ed1ng h\u00f3a ch\u1ea5t y\u00eau c\u1ea7u ch\u1ed1ng r\u00f2 r\u1ec9 cao.<\/li>\n<li>Van bi\u00a0\u0111\u01b0\u1ee3c l\u1eafp trong h\u1ec7 th\u1ed1ng cung c\u1ea5p n\u01b0\u1edbc l\u00e0m m\u00e1t, x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u1ee7a c\u00e1c c\u00f4ng ty, x\u00ed nghi\u1ec7p.<\/li>\n<li>Ngo\u00e0i ra, n\u00f3 c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y, ki\u1ec3m so\u00e1t \u00e1p l\u1ef1c c\u1ee7a h\u00f3a ch\u1ea5t, ch\u1ea5t l\u1ecfng v\u00e0 1 s\u1ed1 lo\u1ea1i kh\u00ed.<\/li>\n<\/ul>\n<p>Trong th\u1ef1c t\u1ebf, n\u1ebfu ch\u00fang ta ki\u1ec3m tra c\u00e1c h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc cho h\u1ed9 gia \u0111\u00ecnh, h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau trang t\u1ea1i, h\u1ec7 th\u1ed1ng c\u1ea5p tho\u00e1t n\u01b0\u1edbc c\u1ee7a h\u1ed3 b\u01a1i hay trong c\u00e1c l\u00f2 nung, l\u00f2 h\u01a1i, h\u1ec7 th\u1ed1ng l\u1ecdc h\u00f3a d\u1ea7u\u2026 d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n van bi c\u00e1c lo\u1ea1i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed kh\u00e1c nhau.<\/p>\n<h4><span id=\"2_Van_buom_butterfly_valve\" class=\"ez-toc-section\"><\/span><strong>2. Van b\u01b0\u1edbm (butterfly valve)<\/strong><\/h4>\n<p>Van b\u01b0\u1edbm c\u0169ng l\u00e0 m\u1ed9t lo\u1ea1i <a href=\"http:\/\/www.dinhvanthanhvan.com\" rel=\"nofollow noopener\" target=\"_blank\"><strong>van c\u00f4ng nghi\u1ec7p<\/strong><\/a> ph\u1ed5 bi\u1ebfn. \u0110i\u1ec1u l\u00e0m cho van b\u01b0\u1edbm kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c van lo\u1ea1i van c\u00f4ng nghi\u1ec7p kh\u00e1c l\u00e0 \u0111\u0129a ph\u1eb3ng \u0111\u1ebfn l\u00f5m g\u1eafn v\u00e0o trong th\u00e2n van.<\/p>\n<p>\u0110\u01b0\u1ee3c \u0111\u1eb7t \u1edf gi\u1eefa van v\u1edbi th\u00e2n \u0111\u01b0\u1ee3c khoan v\u00e0o trong ho\u1eb7c \u0111\u01b0\u1ee3c g\u1eafn \u1edf m\u1ed9t b\u00ean, \u0111\u0129a ch\u1eb7n d\u00f2ng l\u01b0u ch\u1ea5t \u0111i qua khi \u0111\u00f3ng van. Thi\u1ebft k\u1ebf n\u00e0y cho ph\u00e9p van b\u01b0\u1edbm ti\u1ebft l\u01b0u khi c\u00f3 \u0111\u1ed9 m\u1edf t\u0103ng d\u1ea7n c\u1ee7a van.<\/p>\n<h5><span id=\"Uu_diem-2\" class=\"ez-toc-section\"><\/span><strong>\u01afu \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>\u0110a d\u1ea1ng k\u00edch c\u1ee1, c\u00f3 s\u1eb5n \u1edf c\u00e1c k\u00edch th\u01b0\u1edbc l\u1edbn, t\u1eeb NPS 1\u00b9\u2044\u2082 (DN 40) \u0111\u1ebfn h\u01a1n NPS 200 (DN 5000)<\/li>\n<li>Gi\u1ea3m \u00e1p su\u1ea5t t\u1ed1i thi\u1ec3u.<\/li>\n<li>D\u1ec5 c\u00e0i \u0111\u1eb7t, l\u1eafp r\u00e1p<\/li>\n<li>V\u1eadn h\u00e0nh \u0111\u00f3ng\/m\u1edf d\u1ec5 d\u00e0ng<\/li>\n<\/ul>\n<h5><span id=\"Nhuoc_diem-2\" class=\"ez-toc-section\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>\u0110\u0129a van g\u00e2y c\u1ea3n d\u00f2ng, gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y, ngay c\u1ea3 khi m\u1edf ho\u00e0n to\u00e0n<\/li>\n<li>Van kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t l\u1edbn v\u00e0 nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao<\/li>\n<li>Hi\u1ec7u su\u1ea5t l\u00e0m k\u00edn k\u00e9m h\u01a1n van bi v\u00e0 van c\u1ea7u, v\u00ec v\u1eady n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 k\u00edn kh\u00f4ng cao.<\/li>\n<\/ul>\n<h5><span id=\"Cac_ung_dung-2\" class=\"ez-toc-section\"><\/span><strong>C\u00e1c \u1ee9ng d\u1ee5ng<\/strong><\/h5>\n<p>Van b\u01b0\u1edbm l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i <a href=\"http:\/\/www.thepanan.com.vn\" rel=\"nofollow noopener\" target=\"_blank\"><strong>van c\u00f4ng nghi\u1ec7p<\/strong><\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. Ch\u00fang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau v\u00e0 linh ho\u1ea1t trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng n\u01b0\u1edbc v\u00e0 kh\u00ed \u0111\u1ed1t, n\u01a1i c\u1ea7n ph\u1ea3i c\u00e1ch ly ho\u1eb7c l\u00e0m gi\u00e1n \u0111o\u1ea1n d\u00f2ng ch\u1ea3y c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n. Trong m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t, van b\u01b0\u1edbm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 x\u1eed l\u00fd c\u00e1c v\u1eadt li\u1ec7u kh\u00f4 (xi m\u0103ng, b\u1ed9t gi\u1ea5y\u2026).<\/p>\n<p>Van b\u01b0\u1edbm r\u1ea5t t\u1ed1t cho c\u00e1c quy tr\u00ecnh s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn.\u00a0Ch\u00fang c\u0169ng th\u00edch h\u1ee3p cho c\u00e1c d\u1ecbch v\u1ee5 b\u00f9n, \u0111\u00f4ng l\u1ea1nh v\u00e0 ch\u00e2n kh\u00f4ng.<\/p>\n<h4><span id=\"3_Van_cau_globe_valve\" class=\"ez-toc-section\"><\/span><strong>3. Van c\u1ea7u (globe valve)<\/strong><\/h4>\n<p>Van c\u1ea7u tr\u00f4ng gi\u1ed1ng nh\u01b0 c\u00f3 m\u1ed9t qu\u1ea3 \u0111\u1ecba c\u1ea7u b\u00ean trong th\u00e2n van. N\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c d\u00f2ng van c\u00f4ng nghi\u1ec7p chuy\u1ec3n \u0111\u1ed9ng tuy\u1ebfn t\u00ednh. Ngo\u00e0i vai tr\u00f2 l\u00e0 m\u1ed9t van c\u00f4ng nghi\u1ec7p on\/off, van c\u1ea7u c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebft l\u01b0u tuy\u1ec7t v\u1eddi.<\/p>\n<p>\u0110\u0129a van c\u1ea7u di chuy\u1ec3n l\u00ean kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf \u0111\u1ec3 cho ph\u00e9p d\u00f2ng ch\u1ea3y \u0111i qua. \u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf van c\u00f4ng nghi\u1ec7p tuy\u1ec7t v\u1eddi cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng y\u00eau c\u1ea7u gi\u1ea3m \u00e1p su\u1ea5t cao.<\/p>\n<div id=\"attachment_13952975\" style=\"width: 339px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-13952975\" class=\"wp-image-13952975 size-full\" src=\"https:\/\/yp.vn\/wp-content\/uploads\/2024\/11\/6a.jpg\" alt=\"Van c\u00f4ng nghi\u1ec7p 2\" width=\"329\" height=\"325\" srcset=\"https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/6a.jpg 329w, https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/6a-300x296.jpg 300w\" sizes=\"auto, (max-width: 329px) 100vw, 329px\" \/><p id=\"caption-attachment-13952975\" class=\"wp-caption-text\">Ngo\u00e0i vai tr\u00f2 l\u00e0 m\u1ed9t van on\/off, van c\u1ea7u c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebft l\u01b0u tuy\u1ec7t v\u1eddi.<\/p><\/div>\n<h5><span id=\"Uu_diem-3\" class=\"ez-toc-section\"><\/span><strong>\u01afu \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>C\u01a1 ch\u1ebf \u0111\u00f3ng m\u1edf t\u1ed1t<\/li>\n<li>Hao m\u00f2n kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 ngay c\u1ea3 khi s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean.<\/li>\n<li>D\u1ec5 s\u1eeda ch\u1eefa v\u00ec th\u00e1o l\u1eafp d\u1ec5 d\u00e0ng.<\/li>\n<\/ul>\n<h5><span id=\"Nhuoc_diem-3\" class=\"ez-toc-section\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>M\u1ea5t \u00e1p su\u1ea5t cao c\u00f3 th\u1ec3 x\u1ea3y ra do v\u1eadt c\u1ea3n \u0111\u01b0\u1eddng d\u1eabn<\/li>\n<li>Kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p su\u1ea5t cao. Van c\u1ea7u \u0111\u00f2i h\u1ecfi m\u1ed9t l\u1ef1c l\u1edbn h\u01a1n ho\u1eb7c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u00f3 mo-men xo\u1eafn l\u1edbn<\/li>\n<\/ul>\n<h5><span id=\"Cac_ung_dung-3\" class=\"ez-toc-section\"><\/span><strong>C\u00e1c \u1ee9ng d\u1ee5ng<\/strong><\/h5>\n<p>Van c\u1ea7u ho\u1ea1t \u0111\u1ed9ng t\u1ed1t khi m\u1ed1i quan t\u00e2m ch\u00ednh l\u00e0 s\u1ef1 r\u00f2 r\u1ec9. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu cho m\u1ee5c \u0111\u00edch ti\u1ebft l\u01b0u. C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng nh\u01b0 h\u1ec7 th\u1ed1ng n\u01b0\u1edbc l\u00e0m m\u00e1t s\u1eed d\u1ee5ng van c\u1ea7u.<\/p>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c cho van c\u1ea7u bao g\u1ed3m h\u1ec7 th\u1ed1ng n\u01b0\u1edbc c\u1ea5p, h\u1ec7 th\u1ed1ng c\u1ea5p h\u00f3a ch\u1ea5t, h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc khai th\u00e1c v\u00e0 nh\u1eefng th\u1ee9 t\u01b0\u01a1ng t\u1ef1.<\/p>\n<h4><span id=\"4_Van_cong_gate_valve\" class=\"ez-toc-section\"><\/span><strong>4. Van c\u1ed5ng (gate valve)<\/strong><\/h4>\n<p>Van c\u1ed5ng l\u00e0 m\u1ed9t th\u00e0nh vi\u00ean kh\u00e1c c\u1ee7a d\u00f2ng van \u00f4ng nghi\u1ec7p on\/off. \u0110i\u1ec1u l\u00e0m van c\u1ed5ng tr\u1edf n\u00ean \u0111\u1ed9c \u0111\u00e1o l\u00e0 chuy\u1ec3n \u0111\u1ed9ng \u0111\u0129a c\u1ee7a n\u00f3 l\u00e0 tuy\u1ebfn t\u00ednh.<\/p>\n<h5><strong>\u01afu \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>Kh\u00f4ng c\u00f3 l\u1ef1c c\u1ea3n d\u00f2ng khi m\u1edf ho\u00e0n to\u00e0n. Van kh\u00f4ng g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3n tr\u1edf, gi\u1ea3m \u00e1p d\u00f2ng ch\u1ea3y v\u00ec c\u00e1nh van khi m\u1edf \u0111\u01b0\u1ee3c thu l\u00ean ph\u00eda tr\u00ean.<\/li>\n<li>C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong d\u00f2ng ch\u1ea3y hai chi\u1ec1u.<\/li>\n<li><strong>\u00a0<\/strong>Van c\u00f3 k\u1ebft c\u1ea5u ch\u1eafc ch\u1eafn, \u0111\u1ed9 b\u1ec1n cao, \u00edt ph\u1ea3i b\u1ea3o d\u01b0\u1ee1ng<\/li>\n<li>Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn.<\/li>\n<\/ul>\n<div id=\"attachment_13952976\" style=\"width: 337px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-13952976\" class=\"wp-image-13952976 size-full\" src=\"https:\/\/yp.vn\/wp-content\/uploads\/2024\/11\/7a.jpg\" alt=\"Van c\u00f4ng nghi\u1ec7p 3\" width=\"327\" height=\"324\" srcset=\"https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/7a.jpg 327w, https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/7a-300x297.jpg 300w, https:\/\/yp.com.vn\/wp-content\/uploads\/2024\/11\/7a-150x150.jpg 150w\" sizes=\"auto, (max-width: 327px) 100vw, 327px\" \/><p id=\"caption-attachment-13952976\" class=\"wp-caption-text\">van c\u1ed5ng tr\u1edf n\u00ean \u0111\u1ed9c \u0111\u00e1o l\u00e0 chuy\u1ec3n \u0111\u1ed9ng \u0111\u0129a c\u1ee7a n\u00f3 l\u00e0 tuy\u1ebfn t\u00ednh.<\/p><\/div>\n<h5><span id=\"Nhuoc_diem-4\" class=\"ez-toc-section\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>Kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c cho vi\u1ec7c \u0111i\u1ec1u ti\u1ebft d\u00f2ng ch\u1ea3y.<\/li>\n<li>Qu\u00e1 tr\u00ecnh \u0111\u00f3ng m\u1edf ch\u1eadm.<\/li>\n<\/ul>\n<h5><span id=\"Cac_ung_dung-4\" class=\"ez-toc-section\"><\/span><strong>C\u00e1c \u1ee9ng d\u1ee5ng<\/strong><\/h5>\n<p>Van c\u1ed5ng l\u00e0 lo\u1ea1i van \u0111\u00f3ng\/m\u1edf tuy\u1ec7t v\u1eddi cho b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o.\u00a0Ch\u00fang th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng n\u01b0\u1edbc th\u1ea3i v\u00e0 ch\u1ea5t l\u1ecfng trung t\u00ednh.\u00a0C\u00e1c lo\u1ea1i kh\u00ed n\u1eb1m trong kho\u1ea3ng t\u1eeb -20\u00a00\u00a0C \u0111\u1ebfn 70\u00a00\u00a0C v\u1edbi \u00e1p su\u1ea5t t\u1ed1i \u0111a 16 bar c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng van c\u1ed5ng.\u00a0Van c\u1ed5ng dao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho b\u00f9n v\u00e0 m\u00f4i tr\u01b0\u1eddng b\u1ed9t.<\/p>\n<h4><span id=\"5_Van_mot_chieu_check_valve\" class=\"ez-toc-section\"><\/span><strong>5. Van m\u1ed9t chi\u1ec1u (check valve)<\/strong><\/h4>\n<p>Van m\u1ed9t chi\u1ec1u l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn, cho ph\u00e9p d\u00f2ng l\u01b0u ch\u1ea5t ch\u1ea3y qua theo m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh v\u00e0 ng\u0103n d\u00f2ng ch\u1ea3y theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<p>Van c\u00f4ng nghi\u1ec7p n\u00e0y ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n d\u1ef1a tr\u00ean t\u00e1c \u0111\u1ed9ng c\u1ee7a d\u00f2ng l\u01b0u ch\u1ea5t. Khi c\u00f3 d\u00f2ng l\u01b0u ch\u1ea5t ch\u1ea3y qua van theo chi\u1ec1u cho ph\u00e9p. \u0110\u0129a van d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng \u00e1p l\u1ef1c c\u1ee7a d\u00f2ng ch\u1ea3y s\u1ebd t\u1ef1 \u0111\u1ed9ng m\u1edf. Khi ng\u01b0ng c\u1ea5p d\u00f2ng ch\u1ea3y \u0111\u0129a van d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a tr\u1ecdng l\u1ef1c s\u1ebd quay v\u1ec1 v\u1ecb tr\u00ed ban \u0111\u1ea7u(c\u1eeda \u0111\u00f3ng).<\/p>\n<h5><span id=\"Uu_diem-5\" class=\"ez-toc-section\"><\/span><strong>\u01afu \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>Van m\u1ed9t chi\u1ec1u \u0111\u00f3ng m\u1edf t\u1ef1 \u0111\u1ed9ng d\u1ef1a tr\u00ean \u00e1p su\u1ea5t d\u00f2ng ch\u1ea3y, c\u00f3 th\u1ec3 n\u00f3i \u0111\u00e2y l\u00e0 d\u00f2ng van \u0111\u00f3ng m\u1edf ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng<\/li>\n<li>Thi\u1ebft k\u1ebf van nh\u1ecf g\u1ecdn, kh\u00f4ng chi\u1ebfm nhi\u1ec1u di\u1ec7n t\u00edch l\u1eafp \u0111\u1eb7t<\/li>\n<li>D\u00f9ng \u0111\u01b0\u1ee3c cho h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n v\u00e0 c\u00e1c lo\u1ea1i ch\u1ea5t l\u1ecfng, k\u1ec3 c\u1ea3 m\u00f4i ch\u1ea5t c\u00f3 \u0111\u1ed9 \u0103n m\u00f2n cao.<\/li>\n<li>K\u00edch c\u1ee1 \u0111a d\u1ea1ng th\u00edch h\u1ee3p cho nhi\u1ec1u \u0111\u01b0\u1eddng \u1ed1ng l\u1edbn, nh\u1ecf kh\u00e1c nhau.<\/li>\n<\/ul>\n<h5><span id=\"Nhuoc_diem-5\" class=\"ez-toc-section\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/h5>\n<ul>\n<li>C\u1ea7n ph\u1ea3i b\u1ea3o tr\u00ec van th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li>Trong khi \u0111\u00f3ng, c\u00e1c c\u1eb7n b\u1ea9n d\u1ec5 b\u1ecb \u0111\u1ecdng l\u1ea1i, l\u00e2u ng\u00e0y g\u00e2y ngh\u1eb9t van.<\/li>\n<\/ul>\n<h5><span id=\"Cac_ung_dung-5\" class=\"ez-toc-section\"><\/span><strong>C\u00e1c \u1ee9ng d\u1ee5ng<\/strong><\/h5>\n<p>Van c\u00f4ng nghi\u1ec7p m\u1ed9t chi\u1ec1u ch\u1ee7 y\u1ebfu \u0111\u1ec3 \u1ee9ng d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn, c\u00e1c thi\u1ebft b\u1ecb b\u01a1m, khoang ch\u1ee9a,\u2026 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u h\u1ec7 th\u1ed1ng kh\u00e1c nhau, t\u1eeb n\u01b0\u1edbc th\u1ea3i, n\u01b0\u1edbc sinh ho\u1ea1t t\u1ea1i t\u00f2a nh\u00e0, khung chung c\u01b0 cao c\u1ea5p.\u2026Cho \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng ho\u00e1 ch\u1ea5t nh\u01b0 nh\u00e0 m\u00e1y luy\u1ec7n kim, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, nhi\u1ec7t l\u01b0\u1ee3ng, n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n.\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Van c\u00f4ng nghi\u1ec7p \u0111\u00e3 t\u1ed3n t\u1ea1i h\u01a1n m\u1ed9t th\u1ebf k\u1ef7. Khi c\u00e1c \u1ee9ng d\u1ee5ng tr\u1edf n\u00ean c\u1ee5 th\u1ec3 v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n, van \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh 5 lo\u1ea1i ch\u00ednh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau. 5 lo\u1ea1i van n\u00e0y bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 c\u00f4ng nghi\u1ec7p&#8230;. <a class=\"view-article\" href=\"https:\/\/yp.com.vn\/5-loai-van-cong-nghiep-pho-bien-nhat-tai-viet-nam-hien-nay\/\">Xem b\u00e0i vi\u1ebft<\/a><\/p>\n","protected":false},"author":3,"featured_media":13952977,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"footnotes":""},"categories":[2509],"tags":[],"class_list":["post-13952973","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-van-cong-nghiep-3"],"acf":[],"_links":{"self":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/13952973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/comments?post=13952973"}],"version-history":[{"count":1,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/13952973\/revisions"}],"predecessor-version":[{"id":13952978,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/13952973\/revisions\/13952978"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media\/13952977"}],"wp:attachment":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media?parent=13952973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/categories?post=13952973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/tags?post=13952973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}