{"id":1239,"date":"2026-01-25T07:39:33","date_gmt":"2026-01-25T07:39:33","guid":{"rendered":"https:\/\/www.ykyvalve.com\/?p=1239"},"modified":"2026-02-04T09:02:18","modified_gmt":"2026-02-04T09:02:18","slug":"high-temperature-valves-selection-guide","status":"publish","type":"post","link":"https:\/\/www.ykyvalve.com\/vi\/blog\/application\/high-temperature-valves-selection-guide\/","title":{"rendered":"Van ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao: H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Van ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p c\u1ee7a van th\u00f4ng th\u01b0\u1eddng. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c van n\u00e0y, c\u00e1ch ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a ch\u00fang. Sau khi \u0111\u1ecdc xong, ng\u01b0\u1eddi \u0111\u1ecdc s\u1ebd hi\u1ec3u v\u1ec1 v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1 v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"862\" height=\"478\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296.webp\" alt=\"\" class=\"wp-image-1248\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296.webp 862w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296-500x277.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296-300x166.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296-768x426.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296-135x75.webp 135w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296-480x266.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-296-800x444.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:862px) 100vw, 862px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec1u g\u00ec \u0111\u1ecbnh ngh\u0129a d\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 cao?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/gate-valve\/what-is-the-gate-valve\/\">D\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 cao<\/a> Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y b\u1eaft \u0111\u1ea7u khi nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh l\u00e0m h\u1ecfng c\u00e1c kim lo\u1ea1i ti\u00eau chu\u1ea9n ho\u1eb7c c\u00e1c gio\u0103ng m\u1ec1m. Trong h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng, \u0111i\u1ec1u n\u00e0y x\u1ea3y ra \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 300\u00b0C. \u1ede m\u1ee9c nhi\u1ec7t \u0111\u1ed9 n\u00e0y, s\u1ef1 gi\u00e3n n\u1edf c\u1ee7a kim lo\u1ea1i, qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 s\u1ef1 ph\u00e1 v\u1ee1 gio\u0103ng di\u1ec5n ra nhanh h\u01a1n. Van ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c m\u1ea5t kh\u1ea3 n\u0103ng l\u00e0m k\u00edn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ba \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 gi\u1edbi h\u1ea1n ch\u1ecbu \u00e1p l\u1ef1c.<\/li>\n\n\n\n<li>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m k\u00edn c\u1ea7n chuy\u1ec3n t\u1eeb v\u1eadt li\u1ec7u m\u1ec1m sang kim lo\u1ea1i ho\u1eb7c than ch\u00ec.<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf ph\u1ea3i cho ph\u00e9p ki\u1ec3m so\u00e1t s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u1ea5p \u0111\u1ed9 d\u1ecbch v\u1ee5<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"845\" height=\"468\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250.webp\" alt=\"\" class=\"wp-image-1249\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250.webp 845w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250-500x277.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250-300x166.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250-768x425.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250-135x75.webp 135w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250-480x266.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-250-800x443.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:845px) 100vw, 845px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a van th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nhi\u1ec7t \u0111\u1ed9 cao v\u1eeba ph\u1ea3i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi 400 \u00b0C. Th\u00e9p h\u1ee3p kim v\u00e0 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i gia c\u01b0\u1eddng v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nh\u01b0ng c\u00e1c lo\u1ea1i gio\u0103ng m\u1ec1m b\u1ecb h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ecbch v\u1ee5 nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede nhi\u1ec7t \u0111\u1ed9 t\u1eeb kho\u1ea3ng 400 \u00b0C \u0111\u1ebfn 730 \u00b0C, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf chuy\u1ec3n sang s\u1eed d\u1ee5ng h\u1ee3p kim ch\u1ecbu nhi\u1ec7t, v\u1eadt li\u1ec7u \u0111\u1ec7m b\u1eb1ng than ch\u00ec v\u00e0 c\u00e1c gio\u0103ng kim lo\u1ea1i ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede nhi\u1ec7t \u0111\u1ed9 tr\u00ean 730 \u00b0C, van c\u1ea7n h\u1ee3p kim g\u1ed1c niken, l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t v\u00e0 c\u00e1c t\u00ednh n\u0103ng thi\u1ebft k\u1ebf nh\u01b0 n\u1eafp m\u1edf r\u1ed9ng ho\u1eb7c v\u00f9ng l\u00e0m m\u00e1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 l\u1ef1a ch\u1ecdn c\u1ed1t l\u00f5i b\u1ea1n kh\u00f4ng bao gi\u1edd n\u00ean b\u1ecf qua<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn van cho h\u1ec7 th\u1ed1ng s\u01b0\u1edfi kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ecbnh m\u1ee9c nhi\u1ec7t \u0111\u1ed9. Nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c c\u0169ng ph\u1ea3i ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 chu k\u1ef3 nhi\u1ec7t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao li\u00ean t\u1ee5c v\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m n\u00f3ng r\u1ed3i l\u00e0m ngu\u1ed9i l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. Chu k\u1ef3 nhi\u1ec7t th\u01b0\u1eddng g\u00e2y ra nhi\u1ec1u h\u01b0 h\u1ea1i h\u01a1n so v\u1edbi vi\u1ec7c ti\u1ebfp x\u00fac li\u00ean t\u1ee5c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. M\u1ed1i quan h\u1ec7 gi\u1eefa \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng. Lu\u00f4n ki\u1ec3m tra \u0111\u01b0\u1eddng cong gi\u1ea3m c\u00f4ng su\u1ea5t thay v\u00ec th\u00f4ng s\u1ed1 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n x\u1eed l\u00fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01a1i n\u01b0\u1edbc, kh\u00ed n\u00f3ng, h\u00f3a ch\u1ea5t \u0103n m\u00f2n ho\u1eb7c ch\u1ea5t r\u1eafn m\u00e0i m\u00f2n \u0111\u1ec1u ph\u1ea3n \u1ee9ng kh\u00e1c nhau \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Ni\u00eam phong v\u00e0 Ki\u1ec3m so\u00e1t r\u00f2 r\u1ec9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ch\u1ea5t \u0111\u00e0n h\u1ed3i nhanh ch\u00f3ng b\u1ecb h\u01b0 h\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 cao. V\u00f2ng \u0111\u1ec7m b\u1eb1ng than ch\u00ec v\u00e0 c\u00e1c t\u1ea5m kim lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t r\u00f2 r\u1ec9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u van \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng ch\u1ecbu nhi\u1ec7t cao<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim th\u1ea5p:<\/strong> C\u00e1c v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn kho\u1ea3ng 600 \u00b0C. Ch\u00fang c\u00f3 \u0111\u1ed9 b\u1ec1n t\u1ed1t nh\u01b0ng c\u1ea7n ph\u1ea3i gi\u1ea3m t\u1ea3i c\u1ea9n th\u1eadn khi g\u1ea7n \u0111\u1ebfn gi\u1edbi h\u1ea1n tr\u00ean c\u1ee7a ch\u00fang.<\/li>\n\n\n\n<li><strong>Th\u00e9p kh\u00f4ng g\u1ec9:<\/strong> C\u00e1c lo\u1ea1i th\u00e9p nh\u01b0 316H ho\u1eb7c h\u1ee3p kim crom cao gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ch\u1ed1ng oxy h\u00f3a.<\/li>\n\n\n\n<li><strong>H\u1ee3p kim g\u1ed1c Niken:<\/strong> H\u1ee3p kim niken \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Ch\u00fang gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 800 \u00b0C.<\/li>\n\n\n\n<li><strong>V\u1eadt li\u1ec7u chuy\u00ean d\u1ee5ng:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t ho\u1eb7c \u0103n m\u00f2n, ch\u00fang bao g\u1ed3m c\u00e1c h\u1ee3p kim hi\u1ec7u su\u1ea5t cao, ch\u1eb3ng h\u1ea1n nh\u01b0 Zirconium ho\u1eb7c Hastelloy, \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu nhi\u1ec7t, \u00e1p su\u1ea5t v\u00e0 h\u00f3a ch\u1ea5t m\u1ea1nh.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i van th\u00f4ng d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"846\" height=\"462\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341.webp\" alt=\"\" class=\"wp-image-1250\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341.webp 846w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341-500x273.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341-300x164.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341-768x419.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341-137x75.webp 137w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341-480x262.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-341-800x437.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:846px) 100vw, 846px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft k\u1ebf van kh\u00e1c nhau x\u1eed l\u00fd nhi\u1ec7t theo nh\u1eefng c\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Van bi ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van n\u00e0y s\u1eed d\u1ee5ng gio\u0103ng kim lo\u1ea1i thay v\u00ec gio\u0103ng m\u1ec1m. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p su\u1ea5t cao v\u00e0 \u0111\u00f3ng ng\u1eaft nhanh, n\u01a1i thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Van c\u1ed5ng nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf van ki\u1ec3u c\u1eeda ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf ch\u1ebf \u0111\u1ed9 m\u1edf ho\u00e0n to\u00e0n ho\u1eb7c \u0111\u00f3ng ho\u00e0n to\u00e0n. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn h\u01a1i n\u01b0\u1edbc v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Van b\u01b0\u1edbm ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft k\u1ebf l\u1ec7ch t\u00e2m ba chi\u1ec1u s\u1eed d\u1ee5ng gio\u0103ng k\u00edn b\u1eb1ng kim lo\u1ea1i v\u00e0 ho\u1ea1t \u0111\u1ed9ng v\u1edbi m\u00f4-men xo\u1eafn th\u1ea5p. Ch\u00fang nh\u1eb9 h\u01a1n van c\u1ed5ng \u0111\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c thi\u1ebft k\u1ebf van kh\u00e1c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec7t \u0111\u1ed9 cao <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/check-valves\/what-is-industrial-check-valve-used-for\/\" target=\"_blank\" rel=\"noreferrer noopener\">van ki\u1ec3m tra<\/a> Van n\u00fat ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u1ea7n ng\u0103n d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c ho\u1eb7c c\u00e1ch ly d\u00f2ng ch\u1ea3y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf thi\u1ebft y\u1ebfu cho kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"859\" height=\"464\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779.webp\" alt=\"\" class=\"wp-image-1251\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779.webp 859w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779-500x270.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779-300x162.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779-768x415.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779-139x75.webp 139w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779-480x259.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/02\/image-1770190364937-779-800x432.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:859px) 100vw, 859px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7u su\u1ea5t c\u1ee7a van ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o c\u00e1c chi ti\u1ebft thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">N\u1eafp ca-p\u00f4 m\u1edf r\u1ed9ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c n\u1eafp ch\u1ee5p m\u1edf r\u1ed9ng gi\u00fap \u0111\u01b0a gio\u0103ng \u0111\u1ec7m ra xa ngu\u1ed3n nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m s\u1ef1 ti\u1ebfp x\u00fac c\u1ee7a gio\u0103ng tr\u1ee5c v\u1edbi nhi\u1ec7t v\u00e0 cho ph\u00e9p c\u00e1ch nhi\u1ec7t xung quanh th\u00e2n van.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u00f3ng g\u00f3i h\u00e0ng s\u1ed1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng gio\u0103ng l\u00f2 xo duy tr\u00ec l\u1ef1c l\u00e0m k\u00edn trong qu\u00e1 tr\u00ecnh gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gh\u1ebf b\u1ecdc c\u1ee9ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ec1 m\u1eb7t gh\u1ebf th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp h\u1ee3p kim ch\u1ed1ng m\u00e0i m\u00f2n. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u h\u01b0 h\u1ea1i b\u1ec1 m\u1eb7t do d\u00f2ng ch\u1ea5t l\u1ecfng n\u00f3ng g\u00e2y ra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a van ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c van n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao. Trong ng\u00e0nh s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, ch\u00fang \u0111i\u1ec1u khi\u1ec3n h\u01a1i n\u01b0\u1edbc si\u00eau nhi\u1ec7t trong tuabin v\u00e0 h\u1ec7 th\u1ed1ng n\u1ed3i h\u01a1i. Trong c\u00e1c nh\u00e0 m\u00e1y h\u00f3a d\u1ea7u, ch\u00fang h\u1ed7 tr\u1ee3 c\u00e1c qu\u00e1 tr\u00ecnh cracking, reforming v\u00e0 coking di\u1ec5n ra \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd h\u00f3a ch\u1ea5t, ch\u00fang qu\u1ea3n l\u00fd c\u00e1c ch\u1ea5t l\u1ecfng ph\u1ea3n \u1ee9ng c\u1ea7n ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao. Trong luy\u1ec7n kim, ch\u00fang \u0111i\u1ec1u ch\u1ec9nh kh\u00ed n\u00f3ng v\u00e0 h\u1ec7 th\u1ed1ng l\u00f2 nung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t kim lo\u1ea1i. Van \u00e1p su\u1ea5t cao, nhi\u1ec7t \u0111\u1ed9 cao r\u1ea5t quan tr\u1ecdng v\u00ec s\u1ef1 h\u1ecfng h\u00f3c c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 l\u00e0m ng\u1eebng s\u1ea3n xu\u1ea5t ho\u1eb7c t\u1ea1o ra r\u1ee7i ro an to\u00e0n nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn van ph\u00f9 h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ecbu nhi\u1ec7t cao b\u1eaft \u0111\u1ea7u b\u1eb1ng k\u1ebf ho\u1ea1ch r\u00f5 r\u00e0ng v\u00e0 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n. Khi v\u1eadt li\u1ec7u, \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t v\u00e0 c\u00e1c t\u00ednh n\u0103ng thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng, h\u1ec7 th\u1ed1ng s\u1ebd ho\u1ea1t \u0111\u1ed9ng l\u00e2u h\u01a1n v\u1edbi \u00edt s\u1ef1 c\u1ed1 h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i YKY Valve, c\u00e1c k\u1ef9 s\u01b0 t\u1eadp trung v\u00e0o v\u1eadt li\u1ec7u \u0111\u1ea1t ch\u1ee9ng nh\u1eadn, quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd v\u00e0 thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m nghi\u1ec7m cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi cao. Kh\u00e1m ph\u00e1 b\u1ed9 s\u01b0u t\u1eadp c\u1ee7a ch\u00fang t\u00f4i <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.ykyvalve.com\/vi\/products\/\">van c\u00f4ng nghi\u1ec7p<\/a> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng van \u00e1p su\u1ea5t cao, nhi\u1ec7t \u0111\u1ed9 cao, v\u00e0 h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a \u0111\u1ed9i ng\u0169 chuy\u00ean gia am hi\u1ec3u h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi s\u1ef1 c\u1ed1 x\u1ea3y ra.<\/p>\n\n\n\n<style>\n  \/* \u5f15\u5165\u5b57\u4f53 *\/\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600;700&display=swap');\n\n  \/* CTA \u5361\u7247\u5bb9\u5668 *\/\n  .yky-quality-cta {\n    position: relative;\n    width: 100%;\n    \/* \u3010\u4fee\u6539 1\u3011\u5bbd\u5ea6\u4ece 600px \u589e\u52a0\u5230 750px *\/\n    max-width: 750px; \n    \/* \u5de6\u5bf9\u9f50 *\/\n    margin: 40px 0; \n    border-radius: 12px;\n    overflow: hidden;\n    font-family: 'Poppins', Arial, sans-serif;\n    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);\n    text-decoration: none;\n    display: block;\n  }\n\n  \/* \u80cc\u666f\u56fe\u7247\u5c42 *\/\n  .yky-cta-bg {\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    background-image: url('https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/07\/%E5%9B%BE%E5%B1%82-4202_1v1.webp');\n    background-size: cover;\n    background-position: center;\n    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);\n    z-index: 1;\n  }\n\n  \/* \u906e\u7f69\u5c42 *\/\n  .yky-cta-overlay {\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 100%;\n    height: 100%;\n    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 100%);\n    z-index: 2;\n  }\n\n  \/* \u5185\u5bb9\u5c42 *\/\n  .yky-cta-content {\n    position: relative;\n    z-index: 3;\n    \/* \u3010\u4fee\u6539 2\u3011\u4e0a\u4e0b\u5185\u8fb9\u8ddd\u4ece 100px \u51cf\u5c11\u5230 70px\uff0c\u964d\u4f4e\u6574\u4f53\u9ad8\u5ea6 *\/\n    padding: 70px 40px; \n    text-align: center;\n    color: #fff;\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    justify-content: center;\n  }\n\n  \/* \u60ac\u505c\u6548\u679c *\/\n  .yky-quality-cta:hover .yky-cta-bg {\n    transform: scale(1.1);\n  }\n\n  \/* \u6807\u9898\u6837\u5f0f *\/\n  .yky-cta-title {\n    font-size: 26px;\n    font-weight: 700;\n    margin-bottom: 15px;\n    text-transform: uppercase;\n    letter-spacing: 1px;\n    line-height: 1.2;\n    text-shadow: 0 2px 4px rgba(0,0,0,0.3);\n  }\n\n  \/* \u526f\u6807\u9898\/\u63cf\u8ff0\u6837\u5f0f *\/\n  .yky-cta-desc {\n    font-size: 15px;\n    font-weight: 400;\n    max-width: 580px; \/* \u968f\u5361\u7247\u53d8\u5bbd\u9002\u5f53\u589e\u52a0\u6587\u5b57\u5bbd\u5ea6 *\/\n    margin-bottom: 30px;\n    line-height: 1.6;\n    color: #f0f0f0; \n    text-shadow: 0 1px 2px rgba(0,0,0,0.3);\n  }\n\n  \/* \u6309\u94ae\u6837\u5f0f *\/\n  .yky-cta-btn {\n    display: inline-block;\n    padding: 14px 30px;\n    background-color: #F2654A;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    border-radius: 6px;\n    text-decoration: none;\n    transition: background-color 0.3s ease, transform 0.2s ease;\n    border: 1px solid transparent;\n    box-shadow: 0 4px 6px rgba(0,0,0,0.2);\n  }\n\n  .yky-cta-btn:hover {\n    background-color: #D8583B;\n    transform: translateY(-2px);\n  }\n\n  \/* \u54cd\u5e94\u5f0f\u8c03\u6574 *\/\n  @media (max-width: 768px) {\n    .yky-quality-cta {\n      max-width: 100%;\n      margin: 20px 0;\n    }\n    .yky-cta-content {\n      padding: 50px 20px;\n    }\n    .yky-cta-title {\n      font-size: 22px;\n    }\n    .yky-cta-btn {\n      width: 100%;\n    }\n  }\n<\/style>\n\n<div class=\"yky-quality-cta\">\n  <div class=\"yky-cta-bg\"><\/div>\n  <div class=\"yky-cta-overlay\"><\/div>\n  <div class=\"yky-cta-content\">\n    <div class=\"yky-cta-title\">Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng th\u1ecfa hi\u1ec7p<\/div>\n    <p class=\"yky-cta-desc\">\n      \u0110\u1ed9 tin c\u1eady kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean. T\u1eeb kh\u00e2u ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ebfn th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t cu\u1ed1i c\u00f9ng, h\u00e3y xem YKY Valve \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t kh\u00f4ng r\u00f2 r\u1ec9 nh\u01b0 th\u1ebf n\u00e0o.\n    <\/p>\n    <a href=\"https:\/\/www.ykyvalve.com\/vi\/quality\/\" target=\"_blank\" class=\"yky-cta-btn\">\n      Xem Ti\u00eau chu\u1ea9n Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a Ch\u00fang t\u00f4i\n    <\/a>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Nhi\u1ec7t \u0111\u1ed9 n\u00e0o \u0111\u01b0\u1ee3c coi l\u00e0 nhi\u1ec7t \u0111\u1ed9 cao khi s\u1eed d\u1ee5ng? <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u khi c\u00e1c v\u1eadt li\u1ec7u van ti\u00eau chu\u1ea9n v\u00e0 gio\u0103ng \u0111\u00e0n h\u1ed3i kh\u00f4ng c\u00f2n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u, th\u01b0\u1eddng l\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 300 \u00b0C.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng van c\u00f3 gio\u0103ng m\u1ec1m \u1edf nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng? <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gh\u1ebf m\u1ec1m d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng nhanh \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Th\u00f4ng th\u01b0\u1eddng c\u1ea7n s\u1eed d\u1ee5ng gh\u1ebf b\u1eb1ng kim lo\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. T\u1ea1i sao \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c l\u1ea1i gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng? <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u1ee7a kim lo\u1ea1i, do \u0111\u00f3 van c\u1ea7n c\u00f3 gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t th\u1ea5p h\u01a1n \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. C\u00f3 c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1eb7c bi\u1ec7t n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c van n\u00e0y kh\u00f4ng? <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady. C\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 API 598 v\u00e0 ISO 5208 quy \u0111\u1ecbnh v\u1ec1 th\u1eed nghi\u1ec7m r\u00f2 r\u1ec9 v\u00e0 \u00e1p su\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"<p>A high-temperature valve works in systems where operating heat exceeds normal valve limits. This guide explains how these valves function, how to select the right type,<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1251,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-1239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application"],"_links":{"self":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/comments?post=1239"}],"version-history":[{"count":2,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1239\/revisions"}],"predecessor-version":[{"id":1292,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1239\/revisions\/1292"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media\/1251"}],"wp:attachment":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=1239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/categories?post=1239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/tags?post=1239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}