{"id":1032,"date":"2026-04-20T22:35:38","date_gmt":"2026-04-21T02:35:38","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1032"},"modified":"2026-04-21T20:19:07","modified_gmt":"2026-04-22T00:19:07","slug":"orifice-flanges-what-they-are-how-they-work-and-when-to-use-them","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/vi\/2026\/04\/20\/orifice-flanges-what-they-are-how-they-work-and-when-to-use-them\/","title":{"rendered":"M\u1eb7t b\u00edch l\u1ed7: Kh\u00e1i ni\u1ec7m, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng"},"content":{"rendered":"<h2>H\u01b0\u1edbng d\u1eabn v\u1ec1 m\u1eb7t b\u00edch l\u1ed7<\/h2>\n<p>M\u1eb7t b\u00edch l\u1ed7 \u0111o l\u00e0 lo\u1ea1i m\u1eb7t b\u00edch chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng k\u1ebft h\u1ee3p v\u1edbi t\u1ea5m l\u1ed7 \u0111o \u0111\u1ec3 t\u1ea1o ra ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh l\u01b0u l\u01b0\u1ee3ng.<\/p>\n<h3>M\u1eb7t b\u00edch l\u1ed7 l\u00e0 g\u00ec?<\/h3>\n<p>M\u1eb7t b\u00edch l\u1ed7 ti\u1ebft l\u01b0u bao g\u1ed3m m\u1ed9t c\u1eb7p m\u1eb7t b\u00edch kh\u1edbp nhau, v\u1edbi t\u1ea5m l\u1ed7 ti\u1ebft l\u01b0u \u0111\u01b0\u1ee3c k\u1eb9p gi\u1eefa hai m\u1eb7t b\u00edch. T\u1ea5m l\u1ed7 ti\u1ebft l\u01b0u c\u00f3 m\u1ed9t l\u1ed7 \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c, t\u1ea1o ra s\u1ef1 h\u1ea1n ch\u1ebf trong d\u00f2ng ch\u1ea3y.<\/p>\n<h3>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<ol>\n<li><strong>H\u1ea1n ch\u1ebf l\u01b0u l\u01b0\u1ee3ng:<\/strong> Ch\u1ea5t l\u1ecfng \u0111i qua l\u1ed7 tr\u00ean t\u1ea5m van<\/li>\n<li><strong>S\u1ef1 s\u1ee5t \u00e1p:<\/strong> T\u1ed1c \u0111\u1ed9 t\u0103ng l\u00ean, t\u1ea1o ra ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t<\/li>\n<li><strong>K\u00edch th\u01b0\u1edbc:<\/strong> C\u00e1c van \u0111o \u00e1p su\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t \u1edf ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u00eda sau van<\/li>\n<li><strong>C\u00e1ch t\u00ednh:<\/strong> L\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh Bernoulli<\/li>\n<\/ol>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh<\/h3>\n<ul>\n<li><strong>T\u1ea5m van:<\/strong> T\u1ea5m kim lo\u1ea1i gia c\u00f4ng ch\u00ednh x\u00e1c c\u00f3 l\u1ed7 khoan \u0111\u1ed3ng t\u00e2m ho\u1eb7c l\u1ec7ch t\u00e2m<\/li>\n<li><strong>B\u1ed9 m\u1eb7t b\u00edch:<\/strong> M\u1eb7t b\u00edch kh\u1edbp n\u1ed1i v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i l\u1ea5y m\u1eabu \u00e1p su\u1ea5t<\/li>\n<li><strong>Van l\u1ea5y m\u1eabu \u00e1p su\u1ea5t:<\/strong> N\u1eb1m t\u1ea1i m\u1eb7t b\u00edch, \u0111i\u1ec3m thu h\u1eb9p ho\u1eb7c c\u00e1c \u0111i\u1ec3m l\u1ea5y m\u1eabu tr\u00ean \u1ed1ng<\/li>\n<li><strong>Mi\u1ebfng \u0111\u1ec7m:<\/strong> Mi\u1ebfng \u0111\u1ec7m \u0111\u1eb7c bi\u1ec7t c\u00f3 m\u1ea5u \u0111\u1ec3 c\u0103n ch\u1ec9nh t\u1ea5m<\/li>\n<li><strong>V\u00edt Jack:<\/strong> \u0110\u1ec3 th\u00e1o l\u1eafp v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u0129a d\u1ec5 d\u00e0ng<\/li>\n<\/ul>\n<h3>C\u00e1c lo\u1ea1i t\u1ea5m van ti\u1ebft l\u01b0u<\/h3>\n<table>\n<tr>\n<th>Lo\u1ea1i<\/th>\n<th>\u0110\u01a1n \u0111\u0103ng k\u00fd<\/th>\n<\/tr>\n<tr>\n<td>\u0110\u1ed3ng t\u00e2m<\/td>\n<td>Ch\u1ea5t l\u1ecfng, kh\u00ed v\u00e0 h\u01a1i n\u01b0\u1edbc s\u1ea1ch<\/td>\n<\/tr>\n<tr>\n<td>K\u1ef3 qu\u1eb7c<\/td>\n<td>Ch\u1ea5t l\u1ecfng ch\u1ee9a ch\u1ea5t r\u1eafn ho\u1eb7c kh\u00ed ch\u1ee9a ch\u1ea5t l\u1ecfng<\/td>\n<\/tr>\n<tr>\n<td>Theo ph\u00e2n \u0111o\u1ea1n<\/td>\n<td>B\u00f9n l\u1ecfng v\u00e0 ch\u1ea5t l\u1ecfng b\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>Quadrant Edge<\/td>\n<td>D\u00f2ng ch\u1ea3y c\u00f3 s\u1ed1 Reynolds th\u1ea5p<\/td>\n<\/tr>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng<\/h3>\n<ul>\n<li>\u0110o l\u01b0u l\u01b0\u1ee3ng kh\u00ed \u0111\u1ed1t t\u1ef1 nhi\u00ean<\/li>\n<li>Gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc th\u1ea3i<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc<\/li>\n<li>L\u1ecdc d\u1ea7u<\/li>\n<li>C\u00e2n b\u1eb1ng h\u1ec7 th\u1ed1ng HVAC<\/li>\n<\/ul>\n<h3>\u01afu \u0111i\u1ec3m<\/h3>\n<ul>\n<li>C\u00f4ng ngh\u1ec7 \u0111\u01a1n gi\u1ea3n, \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng<\/li>\n<li>Kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng<\/li>\n<li>\u0110a d\u1ea1ng v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t li\u1ec7u<\/li>\n<li>Chi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p<\/li>\n<li>D\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec<\/li>\n<li>T\u1ea5m l\u1ed7 c\u00f3 th\u1ec3 thay th\u1ebf<\/li>\n<\/ul>\n<h3>H\u1ea1n ch\u1ebf<\/h3>\n<ul>\n<li>M\u1ea5t \u00e1p su\u1ea5t v\u0129nh vi\u1ec5n (chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng)<\/li>\n<li>T\u1ef7 l\u1ec7 \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t h\u1ea1n ch\u1ebf (th\u01b0\u1eddng t\u1eeb 3:1 \u0111\u1ebfn 5:1)<\/li>\n<li>Y\u00eau c\u1ea7u c\u00e1c \u0111o\u1ea1n \u1ed1ng th\u1eb3ng \u1edf ph\u00eda th\u01b0\u1ee3ng l\u01b0u v\u00e0 h\u1ea1 l\u01b0u<\/li>\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 m\u00e0i m\u00f2n v\u00e0 x\u00f3i m\u00f2n<\/li>\n<li>Kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c ch\u1ea5t l\u1ecfng b\u1ea9n ho\u1eb7c c\u00f3 t\u00ednh m\u00e0i m\u00f2n<\/li>\n<\/ul>\n<h3>Y\u00eau c\u1ea7u c\u00e0i \u0111\u1eb7t<\/h3>\n<ol>\n<li>\u0110o\u1ea1n \u1ed1ng th\u1eb3ng ph\u00eda th\u01b0\u1ee3ng l\u01b0u c\u00f3 chi\u1ec1u d\u00e0i t\u1ed1i thi\u1ec3u b\u1eb1ng 10\u201320 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng<\/li>\n<li>\u0110o\u1ea1n \u1ed1ng th\u1eb3ng ph\u00eda h\u1ea1 l\u01b0u c\u00f3 chi\u1ec1u d\u00e0i t\u1ed1i thi\u1ec3u b\u1eb1ng 5\u201310 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng<\/li>\n<li>\u0110\u1ea3m b\u1ea3o mi\u1ebfng \u0111\u1ec7m \u0111\u01b0\u1ee3c l\u1eafp \u0111\u00fang v\u1ecb tr\u00ed (mi\u1ebfng \u0111\u1ec7m kh\u00f4ng l\u1ed3i ra v\u00e0o d\u00f2ng ch\u1ea3y)<\/li>\n<li>\u0110\u1ea3m b\u1ea3o h\u01b0\u1edbng l\u1eafp \u0111\u1eb7t t\u1ea5m van \u0111\u00fang (m\u1eb7t v\u00e1t h\u01b0\u1edbng v\u1ec1 ph\u00eda h\u1ea1 l\u01b0u)<\/li>\n<li>C\u00e1c \u0111\u01b0\u1eddng \u1ed1ng l\u1ea5y m\u1eabu \u00e1p su\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1ea3 kh\u00ed v\u00e0 n\u1ea1p \u0111\u1ea7y \u0111\u00fang c\u00e1ch<\/li>\n<\/ol>\n<h3>Ti\u00eau chu\u1ea9n v\u00e0 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h3>\n<ul>\n<li>ASME MFC-3M: \u0110o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng trong c\u00e1c \u1ed1ng d\u1eabn k\u00edn<\/li>\n<li>ISO 5167: T\u1ea5m l\u1ed7, v\u00f2i phun v\u00e0 \u1ed1ng Venturi<\/li>\n<li>B\u00e1o c\u00e1o AGA s\u1ed1 3: \u0110o l\u01b0u l\u01b0\u1ee3ng kh\u00ed \u0111\u1ed1t t\u1ef1 nhi\u00ean<\/li>\n<li>ASME B16.36: M\u1eb7t b\u00edch l\u1ed7<\/li>\n<\/ul>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h3>\n<p>\u0110\u1ed9 ch\u00ednh x\u00e1c th\u00f4ng th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 0,51% \u0111\u1ebfn 21% d\u1ea3i \u0111o to\u00e0n ph\u1ea7n, t\u00f9y thu\u1ed9c v\u00e0o:<\/p>\n<ul>\n<li>Dung sai gia c\u00f4ng t\u1ea5m van<\/li>\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a v\u1ecb tr\u00ed van l\u1ea5y m\u1eabu \u00e1p su\u1ea5t<\/li>\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a b\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t<\/li>\n<li>T\u00ednh ch\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ebf \u0111\u1ed9 d\u00f2ng ch\u1ea3y<\/li>\n<\/ul>\n<p>M\u1eb7t b\u00edch l\u1ed7 \u0111o v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb \u0111o l\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn nh\u1edd t\u00ednh \u0111\u01a1n gi\u1ea3n, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n<p><strong>WhatsApp:<\/strong>\u00a0+86-18658777855<br \/>\n<strong>Email:<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Orifice Flanges Guide Orifice flanges are specialized flanges designed for flow measurement in piping systems. They work in conjunction with an orifice plate to create a pressure differential that can be measured and converted to flow rate. What Are Orifice Flanges Orifice flanges consist of a matched pair of flanges with an orifice plate sandwiched [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[66,88,92,91],"class_list":["post-1032","post","type-post","status-publish","format-standard","hentry","category-blog","tag-flange","tag-gasket","tag-raised","tag-rtj"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/1032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/comments?post=1032"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/1032\/revisions"}],"predecessor-version":[{"id":1038,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/1032\/revisions\/1038"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/media?parent=1032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/categories?post=1032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/tags?post=1032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}