{"id":1446,"date":"2026-05-03T08:00:00","date_gmt":"2026-05-03T08:00:00","guid":{"rendered":"https:\/\/www.ykyvalve.com\/?p=1446"},"modified":"2026-06-02T01:37:48","modified_gmt":"2026-06-02T01:37:48","slug":"cryogenic-ball-valves-applications-selection-guide","status":"publish","type":"post","link":"https:\/\/www.ykyvalve.com\/vi\/blog\/ball-valves\/cryogenic-ball-valves-applications-selection-guide\/","title":{"rendered":"Van bi d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng \u0111\u00f4ng l\u1ea1nh: C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Nh\u1eefng c\u00e1i n\u00e0y <a href=\"https:\/\/www.ykyvalve.com\/vi\/product-category\/ball-valve\/\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/product-category\/ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">van bi<\/a> Van \u0111\u00f3ng c\u1eaft xoay m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p, x\u1eed l\u00fd ch\u1ea5t l\u1ecfng xu\u1ed1ng \u0111\u1ebfn -196\u00b0C trong c\u00e1c \u1ee9ng d\u1ee5ng nit\u01a1 l\u1ecfng v\u00e0 -162\u00b0C trong \u1ee9ng d\u1ee5ng LNG. Ch\u00fang kh\u00e1c v\u1edbi... <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/gate-valve\/gate-valve-vs-ball-valve-difference\/\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/gate-valve\/gate-valve-vs-ball-valve-difference\/\" target=\"_blank\" rel=\"noreferrer noopener\">van bi ti\u00eau chu\u1ea9n<\/a> Nh\u1edd ba \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf c\u1ed1t l\u00f5i: n\u1eafp van k\u00e9o d\u00e0i gi\u00fap gi\u1eef cho gio\u0103ng tr\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, v\u1eadt li\u1ec7u th\u00e2n van ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 Austenit, v\u00e0 bi van c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i gi\u00fap ng\u0103n ng\u1eeba \u00e1p su\u1ea5t qu\u00e1 cao trong khoang van. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho c\u00e1c nh\u00e0 ga LNG, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hydro, nh\u00e0 m\u00e1y t\u00e1ch kh\u00ed v\u00e0 x\u1eed l\u00fd kh\u00ed c\u00f4ng nghi\u1ec7p, n\u01a1i c\u00e1c van ti\u00eau chu\u1ea9n th\u01b0\u1eddng h\u1ecfng h\u00f3c nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u1ef1 \u0111o\u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Van bi \u0111\u00f4ng l\u1ea1nh l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van kh\u00f3a xoay m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p. Xu\u1ed1ng \u0111\u1ebfn \u00e2m 196\u00b0C \u0111\u1ed1i v\u1edbi nit\u01a1 l\u1ecfng. \u00c2m 162\u00b0C \u0111\u1ed1i v\u1edbi LNG. Nh\u1eefng con s\u1ed1 n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec c\u00e1c van bi ti\u00eau chu\u1ea9n th\u01b0\u1eddng h\u1ecfng theo nh\u1eefng c\u00e1ch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c lo\u1ea1i gio\u0103ng ph\u1edbt tr\u1ee5c van th\u00f4ng th\u01b0\u1eddng b\u1ecb co l\u1ea1i v\u00e0 m\u1ea5t \u0111\u1ed9 \u0111\u00e0n h\u1ed3i \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9. V\u1eadt li\u1ec7u th\u00e2n van ti\u00eau chu\u1ea9n tr\u1edf n\u00ean gi\u00f2n d\u01b0\u1edbi m\u1ed9t ng\u01b0\u1ee1ng nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. V\u00e0 ch\u1ea5t l\u1ecfng b\u1ecb k\u1eb9t gi\u1eefa bi van v\u00e0 khoang th\u00e2n van c\u00f3 th\u1ec3 b\u1ed1c h\u01a1i d\u01b0\u1edbi \u00e1p su\u1ea5t, t\u1ea1o ra \u00e1p su\u1ea5t qu\u00e1 cao nguy hi\u1ec3m b\u00ean trong th\u00e2n van. Kh\u00f4ng c\u00f3 ki\u1ec3u h\u1ecfng h\u00f3c n\u00e0o trong s\u1ed1 \u0111\u00f3 l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c t\u1ea1i c\u00e1c nh\u00e0 ga LNG ho\u1eb7c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hydro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch ti\u1ebfp c\u1eadn thi\u1ebft k\u1ebf n\u00e0y gi\u1ea3i quy\u1ebft c\u1ea3 ba v\u1ea5n \u0111\u1ec1. N\u1eafp van k\u00e9o d\u00e0i gi\u00fap gi\u1eef cho gio\u0103ng tr\u1ee5c van tr\u00e1nh xa v\u00f9ng l\u1ea1nh, \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. V\u1eadt li\u1ec7u th\u00e2n van v\u00e0 bi van \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, th\u01b0\u1eddng l\u00e0 v\u1eadt li\u1ec7u austenit. <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/ball-valves\/top-stainless-steel-ball-valve-manufacturers\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/ball-valves\/top-stainless-steel-ball-valve-manufacturers\" rel=\"noreferrer noopener\">th\u00e9p kh\u00f4ng g\u1ec9<\/a> C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo \u1edf 196 \u00b0C. M\u1ed9t qu\u1ea3 c\u1ea7u c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i s\u1ebd gi\u1ea3i ph\u00f3ng ch\u1ea5t l\u1ecfng b\u1ecb k\u1eb9t tr\u01b0\u1edbc khi n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o \u00e1p su\u1ea5t trong khoang th\u00e2n. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c t\u00ednh n\u0103ng t\u00f9y ch\u1ecdn. Ch\u00fang l\u00e0 \u0111\u1ecbnh ngh\u0129a c\u1ee7a lo\u1ea1i s\u1ea3n ph\u1ea9m n\u00e0y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a van bi \u0111\u00f4ng l\u1ea1nh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c kho ch\u1ee9a v\u00e0 tr\u1ea1m ti\u1ebfp nh\u1eadn LNG<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LNG c\u00f3 nhi\u1ec7t \u0111\u1ed9 \u00e2m 162\u00b0C. M\u1ecdi van c\u00e1ch ly, van ch\u1eb7n v\u00e0 van th\u00f4ng h\u01a1i trong m\u1ed9t tr\u1ea1m ti\u1ebfp nh\u1eadn LNG \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n \u0111\u00f4ng l\u1ea1nh. <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/ball-valves\/when-to-use-stainless-steel-ball-valves\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/ball-valves\/when-to-use-stainless-steel-ball-valves\/\" rel=\"noreferrer noopener\">Van bi \u00e1p su\u1ea5t cao trong d\u1ecbch v\u1ee5 LNG<\/a> N\u00f3 x\u1eed l\u00fd c\u1ea3 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t trong qu\u00e1 tr\u00ecnh ch\u1ea5t t\u1ea3i v\u00e0 d\u1ee1 t\u1ea3i. R\u00f2 r\u1ec9 \u1edf ch\u1ed7 ng\u1ed3i kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 b\u1ea5t ti\u1ec7n v\u1ec1 b\u1ea3o tr\u00ec, m\u00e0 l\u00e0 s\u1ef1 c\u1ed1 an to\u00e0n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hydro<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hydro l\u1ecfng c\u00f3 nhi\u1ec7t \u0111\u1ed9 \u00e2m 253\u00b0C. Nhi\u1ec7t \u0111\u1ed9 n\u00e0y g\u1ea7n b\u1eb1ng \u0111\u1ed9 kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i v\u00e0 l\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m l\u1ea1nh kh\u1eafc nghi\u1ec7t nh\u1ea5t trong s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng. C\u00e1c tr\u1ea1m ti\u1ebfp nhi\u00ean li\u1ec7u hydro, c\u01a1 s\u1edf l\u01b0u tr\u1eef v\u00e0 c\u00e1c tr\u1ea1m ph\u00e2n ph\u1ed1i \u0111\u1ec1u y\u00eau c\u1ea7u thi\u1ebft k\u1ebf van n\u00e0y v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 k\u00edn kh\u1eaft khe nh\u1ea5t hi\u1ec7n c\u00f3. Ph\u00e2n kh\u00fac n\u00e0y \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ea3n xu\u1ea5t kh\u00ed c\u00f4ng nghi\u1ec7p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oxy l\u1ecfng, nit\u01a1 l\u1ecfng v\u00e0 argon l\u1ecfng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 ph\u00e2n ph\u1ed1i \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p trong c\u00e1c l\u0129nh v\u1ef1c y t\u1ebf, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. M\u1ed9t thi\u1ebft b\u1ecb t\u00e1ch kh\u00ed duy nh\u1ea5t c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh h\u00e0ng tr\u0103m van n\u00e0y tr\u00ean to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t. \u0110\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m k\u00edn \u1ed5n \u0111\u1ecbnh l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu \u1edf quy m\u00f4 \u0111\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Y t\u1ebf v\u00e0 Ch\u1ebf bi\u1ebfn Th\u1ef1c ph\u1ea9m<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nit\u01a1 l\u1ecfng trong c\u00e1c \u1ee9ng d\u1ee5ng y t\u1ebf v\u00e0 th\u1ef1c ph\u1ea9m \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y \u0111\u00e1ng tin c\u1eady \u0111\u1ed3ng th\u1eddi tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec7 sinh. Trong m\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh, v\u1eadt li\u1ec7u van v\u00e0 h\u1ee3p ch\u1ea5t l\u00e0m k\u00edn c\u1ea7n \u0111\u00e1p \u1ee9ng \u0111\u1ed3ng th\u1eddi c\u1ea3 y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t \u0111\u00f4ng l\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u00f4 nhi\u1ec5m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft k\u1ebf van bi d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng \u0111\u00f4ng l\u1ea1nh: \u0110i\u1ec1u g\u00ec l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n n\u1eafp m\u1edf r\u1ed9ng l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf d\u1ec5 nh\u1eadn th\u1ea5y nh\u1ea5t. N\u00f3 t\u1ea1o kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd gi\u1eefa ch\u1ea5t l\u1ecfng trong qu\u00e1 tr\u00ecnh v\u00e0 gio\u0103ng l\u00e0m k\u00edn, gi\u1eef cho gio\u0103ng tr\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh ho\u1eb7c g\u1ea7n nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3 b\u1ea5t k\u1ec3 \u0111i\u1ec1u g\u00ec \u0111ang x\u1ea3y ra b\u00ean trong th\u00e2n van. N\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, vi\u1ec7c gio\u0103ng b\u1ecb h\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 th\u1eddi gian.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho bi v\u00e0 gio\u0103ng van quy\u1ebft \u0111\u1ecbnh m\u1ecdi th\u1ee9 kh\u00e1c. Th\u00e9p kh\u00f4ng g\u1ec9 Austenit, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c lo\u1ea1i 304L v\u00e0 316L, gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n trong khi th\u00e9p carbon tr\u1edf n\u00ean gi\u00f2n. V\u1eadt li\u1ec7u gio\u0103ng PTFE v\u00e0 PCTFE duy tr\u00ec \u0111\u1ed9 k\u00edn \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c ch\u1ea5t \u0111\u00e0n h\u1ed3i ti\u00eau chu\u1ea9n. PCTFE c\u00f3 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u1ea5p h\u01a1n PTFE d\u01b0\u1edbi t\u1ea3i tr\u1ecdng duy tr\u00ec, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng van bi \u00e1p su\u1ea5t cao, n\u01a1i s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a gio\u0103ng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t ch\u1ed1ng r\u00f2 r\u1ec9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i l\u00e0 ti\u00eau chu\u1ea9n tr\u00ean h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft k\u1ebf trong lo\u1ea1i n\u00e0y. M\u1ed9t l\u1ed7 nh\u1ecf xuy\u00ean qua th\u00e2n van cho ph\u00e9p ch\u1ea5t l\u1ecfng b\u1ecb k\u1eb9t tho\u00e1t ra ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n khi van \u0111\u00f3ng. N\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 \u00e1p trong khoang van khi s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t r\u1ee7i ro th\u1ef1c s\u1ef1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch ch\u1ecdn van bi \u0111\u00f4ng l\u1ea1nh ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">X\u1ebfp h\u1ea1ng nhi\u1ec7t \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">X\u00e1c \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. Kh\u00ed h\u00f3a l\u1ecfng (LNG) c\u1ea7n nhi\u1ec7t \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c t\u1ed1i thi\u1ec3u -162 \u00b0C. Nit\u01a1 l\u1ecfng v\u00e0 hydro c\u1ea7n nhi\u1ec7t \u0111\u1ed9 -196\u00b0C tr\u1edf xu\u1ed1ng. V\u1eadt li\u1ec7u th\u00e2n van, bi van, tr\u1ee5c van v\u00e0 \u0111\u1ebf van \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 theo nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u, ch\u1ee9 kh\u00f4ng ph\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng trung b\u00ecnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1edbp \u00e1p su\u1ea5t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn van \u00e1p su\u1ea5t cao tu\u00e2n theo logic c\u1ea5p \u00e1p su\u1ea5t ASME. C\u00e1c c\u1ea5p t\u1eeb 150 \u0111\u1ebfn c\u1ea5p 2500 bao g\u1ed3m h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111\u00f4ng l\u1ea1nh. X\u00e1c nh\u1eadn \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c t\u1ed1i \u0111a cho ph\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u. \u00c1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u00f3 th\u1ec3 gi\u1ea3m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u gh\u1ebf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCTFE \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p su\u1ea5t cao, n\u01a1i c\u1ea7n quan t\u00e2m \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y d\u1ebbo \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 bi\u1ebfn d\u1ea1ng gio\u0103ng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng k\u00e9o d\u00e0i. Gio\u0103ng kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n ch\u1ee9ng nh\u1eadn an to\u00e0n ch\u00e1y n\u1ed5 c\u00f9ng v\u1edbi kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chi\u1ec1u d\u00e0i ph\u1ea7n m\u1edf r\u1ed9ng n\u1eafp ca-p\u00f4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean y\u00eau c\u1ea7u c\u00e1ch nhi\u1ec7t. C\u00e1c van trong \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 l\u1edbp c\u00e1ch nhi\u1ec7t ch\u00e2n kh\u00f4ng ho\u1eb7c c\u00f3 \u0111\u1ed9 d\u00e0y l\u1edbp c\u00e1ch nhi\u1ec7t \u0111\u00e1ng k\u1ec3 c\u1ea7n ph\u1ea7n m\u1edf r\u1ed9ng n\u1eafp van d\u00e0i h\u01a1n \u0111\u1ec3 gi\u1eef cho gio\u0103ng \u0111\u1ec7m n\u1eb1m ph\u00eda tr\u00ean b\u1ec1 m\u1eb7t l\u1edbp c\u00e1ch nhi\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ee9ng nh\u1eadn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ykyvalve.com\/vi\/china-ball-valve-manufacturer\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/china-ball-valve-manufacturer\/\" rel=\"noreferrer noopener\">C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t van bi \u0111\u00f4ng l\u1ea1nh<\/a> C\u00e1c nh\u00e0 cung c\u1ea5p LNG, hydro ho\u1eb7c kh\u00ed c\u00f4ng nghi\u1ec7p cho c\u00e1c d\u1ef1 \u00e1n c\u1ea7n ch\u1ee9ng minh tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n BS 6364, ISO 21011 ho\u1eb7c c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n. H\u00e3y x\u00e1c nh\u1eadn nh\u00e0 cung c\u1ea5p c\u00f3 c\u00e1c ch\u1ee9ng ch\u1ec9 li\u00ean quan v\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">YKY h\u1ed7 tr\u1ee3 c\u1ea5u h\u00ecnh van t\u00f9y ch\u1ec9nh cho d\u1ecbch v\u1ee5 \u0111\u00f4ng l\u1ea1nh v\u1edbi thi\u1ebft k\u1ebf n\u1eafp van m\u1edf r\u1ed9ng, t\u00f9y ch\u1ecdn th\u00e2n van b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 th\u00e9p h\u1ee3p kim, v\u00e0 l\u1ef1a ch\u1ecdn gio\u0103ng PTFE ho\u1eb7c PCTFE. M\u1ed7i van \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ea7y \u0111\u1ee7 tr\u01b0\u1edbc khi xu\u1ea5t x\u01b0\u1edfng v\u1edbi b\u00e1o c\u00e1o ki\u1ec3m tra chi ti\u1ebft. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c xu\u1ea5t kh\u1ea9u sang h\u01a1n 30 qu\u1ed1c gia trong ng\u00e0nh d\u1ea7u kh\u00ed., <a href=\"https:\/\/www.ykyvalve.com\/vi\/applications\/chemical-industry\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/applications\/chemical-industry\/\" rel=\"noreferrer noopener\">h\u00f3a ch\u1ea5t<\/a>, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00ed c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra d\u00e0nh cho ng\u01b0\u1eddi mua khi t\u00ecm ngu\u1ed3n cung c\u1ea5p van bi \u0111\u00f4ng l\u1ea1nh<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 v\u1eadt li\u1ec7u c\u1ee7a th\u00e2n, bi, tr\u1ee5c v\u00e0 \u0111\u1ebf.<\/li>\n\n\n\n<li>C\u1ea5p \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u1edf nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u ch\u1ee9 kh\u00f4ng ph\u1ea3i nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u l\u00e0m b\u1ec7 ng\u1ed3i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean \u00e1p su\u1ea5t, nguy c\u01a1 bi\u1ebfn d\u1ea1ng do nhi\u1ec7t v\u00e0 c\u00e1c y\u00eau c\u1ea7u an to\u00e0n ch\u00e1y n\u1ed5.<\/li>\n\n\n\n<li>Chi\u1ec1u d\u00e0i ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a n\u1eafp ca-p\u00f4 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 d\u00e0y l\u1edbp c\u00e1ch nhi\u1ec7t.<\/li>\n\n\n\n<li>C\u00e1c nh\u00e0 cung c\u1ea5p trong l\u0129nh v\u1ef1c n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p d\u1ecbch v\u1ee5 ki\u1ec3m tra \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. <a href=\"https:\/\/www.ykyvalve.com\/vi\/certificates\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/certificates\/\" rel=\"noreferrer noopener\">ch\u1ee9ng ch\u1ec9<\/a> v\u00e0 t\u00e0i li\u1ec7u ch\u1ee9ng minh kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u.<\/li>\n\n\n\n<li>Lo\u1ea1i bi c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho m\u00f4i tr\u01b0\u1eddng ch\u1ea5t l\u1ecfng nh\u1eb1m ng\u0103n ng\u1eeba \u00e1p su\u1ea5t qu\u00e1 cao trong khoang.<\/li>\n\n\n\n<li>Th\u1eddi gian giao h\u00e0ng \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn d\u1ef1a tr\u00ean ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh n\u1eafp ca-p\u00f4 m\u1edf r\u1ed9ng theo y\u00eau c\u1ea7u ri\u00eang.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c van \u0111\u00f4ng l\u1ea1nh c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c tr\u1ea1m ti\u1ebfp nh\u1eadn LNG, l\u01b0u tr\u1eef v\u00e0 ph\u00e2n ph\u1ed1i hydro l\u1ecfng, nh\u00e0 m\u00e1y t\u00e1ch kh\u00ed, h\u1ec7 th\u1ed1ng kh\u00ed y t\u1ebf v\u00e0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m s\u1eed d\u1ee5ng nit\u01a1 l\u1ecfng. B\u1ea5t k\u1ef3 quy tr\u00ecnh n\u00e0o x\u1eed l\u00fd ch\u1ea5t l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi -50\u00b0C th\u01b0\u1eddng y\u00eau c\u1ea7u van \u0111\u1ea1t ti\u00eau chu\u1ea9n \u0111\u00f4ng l\u1ea1nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t khi l\u1ef1a ch\u1ecdn van \u0111i\u1ec1u khi\u1ec3n cho m\u1ed9t \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t bao g\u1ed3m: \u0111\u1ecbnh m\u1ee9c nhi\u1ec7t \u0111\u1ed9, c\u1ea5p \u00e1p su\u1ea5t, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u th\u00e2n v\u00e0 \u0111\u1ebf, ph\u01b0\u01a1ng ph\u00e1p v\u1eadn h\u00e0nh, c\u1ea5p \u0111\u1ed9 r\u00f2 r\u1ec9 v\u00e0 c\u00e1c y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn. \u0110\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p, thi\u1ebft k\u1ebf n\u1eafp m\u1edf r\u1ed9ng v\u00e0 ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u0111\u01b0\u1ee3c b\u1ed5 sung v\u00e0o c\u00e1c ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf van bi l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">API 6D d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1eddng \u1ed1ng, API 608 d\u00e0nh cho d\u1ecbch v\u1ee5 c\u00f4ng nghi\u1ec7p n\u00f3i chung, v\u00e0 BS 6364 d\u00e0nh ri\u00eang cho d\u1ecbch v\u1ee5 \u0111\u00f4ng l\u1ea1nh. ISO 21011 c\u0169ng bao g\u1ed3m c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m van \u0111\u00f4ng l\u1ea1nh \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t trong l\u0129nh v\u1ef1c n\u00e0y tr\u00ean to\u00e0n c\u1ea7u s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenit lo\u1ea1i 304L v\u00e0 316L l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t cho th\u00e2n v\u00e0 bi van. Ch\u00fang v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo \u1edf nhi\u1ec7t \u0111\u1ed9 \u00e2m 196\u00b0C. PTFE v\u00e0 PCTFE l\u00e0 v\u1eadt li\u1ec7u l\u00e0m \u0111\u1ebf van \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng. Th\u00e9p cacbon v\u00e0 gang ti\u00eau chu\u1ea9n tr\u1edf n\u00ean gi\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p v\u00e0 n\u00ean tr\u00e1nh s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.ykyvalve.com\/vi\/contact-us\/\" style=\"color:#fffbfb;background-color:#f6771c\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>These ball valves are quarter-turn shutoff valves engineered for extremely low temperature service, handling fluids down to minus 196\u00b0C in liquid nitrogen applications and minus 162\u00b0C<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1441,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-1446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ball-valves"],"_links":{"self":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1446","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=1446"}],"version-history":[{"count":5,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1446\/revisions"}],"predecessor-version":[{"id":1483,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1446\/revisions\/1483"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media\/1441"}],"wp:attachment":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=1446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/categories?post=1446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/tags?post=1446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}