{"id":1650,"date":"2026-07-13T09:11:43","date_gmt":"2026-07-13T09:11:43","guid":{"rendered":"https:\/\/www.ykyvalve.com\/?p=1650"},"modified":"2026-07-28T09:12:03","modified_gmt":"2026-07-28T09:12:03","slug":"gate-valve-sizing-dimensions-reference","status":"publish","type":"post","link":"https:\/\/www.ykyvalve.com\/vi\/blog\/gate-valve\/gate-valve-sizing-dimensions-reference\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o ti\u00eau chu\u1ea9n v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 th\u00f4ng s\u1ed1 van c\u1ed5ng d\u00e0nh cho k\u1ef9 s\u01b0."},"content":{"rendered":"<p class=\"wp-block-paragraph\">K\u00edch th\u01b0\u1edbc \u1ed1ng danh ngh\u0129a (NPS) kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t quy\u1ebft \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc van c\u1ed5ng. Tr\u00ean th\u1ef1c t\u1ebf, k\u00edch th\u01b0\u1edbc kho\u1ea3ng c\u00e1ch gi\u1eefa hai m\u1eb7t b\u00edch v\u00e0 c\u1ea5p \u00e1p su\u1ea5t c\u0169ng \u0111\u01b0\u1ee3c ki\u1ec3m tra xem c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i van c\u1ed5ng c\u00f4ng nghi\u1ec7p \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan quy\u1ebft \u0111\u1ecbnh h\u1ec7 s\u1ed1 l\u01b0u l\u01b0\u1ee3ng (Cv) v\u00e0 th\u01b0\u1eddng tr\u00f9ng kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh trong c\u1ee7a \u1ed1ng trong c\u00e1c thi\u1ebft k\u1ebf c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u0111\u1ea7y \u0111\u1ee7.<\/li>\n\n\n\n<li>Chi\u1ec1u d\u00e0i m\u1eb7t \u0111\u1ed1i m\u1eb7t (L) x\u00e1c nh\u1eadn kho\u1ea3ng c\u00e1ch gi\u1eefa \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra, \u0111\u1ea3m b\u1ea3o n\u00f3 v\u1eeba kh\u00edt v\u00e0o \u1ed1ng cu\u1ed9n.<\/li>\n\n\n\n<li>Ph\u00e2n lo\u1ea1i \u00e1p su\u1ea5t ki\u1ec3m tra xem th\u00e2n xe v\u00e0 th\u00e0nh n\u1eafp ca-p\u00f4 c\u00f3 \u0111\u1ee7 d\u00e0y \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t kh\u00e1c nhau hay kh\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn \u0111o van c\u1ed5ng n\u00e0y gi\u1ea3i th\u00edch \u00fd ngh\u0129a c\u1ee7a c\u00e1c th\u00f4ng s\u1ed1 n\u00eau tr\u00ean khi l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p nh\u1ea5t cho m\u1ed9t \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>NPS so v\u1edbi k\u00edch th\u01b0\u1edbc l\u1ed7 khoan: Thi\u1ebft k\u1ebf v\u00e0 kh\u1ea3 n\u0103ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 b\u00ean trong quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 ch\u1ea3y qua th\u00e2n van m\u00e0 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t t\u1ed5n hao cho ph\u00e9p. \u0110\u1ed1i v\u1edbi vi\u1ec7c c\u00e1ch ly, van c\u1ed5ng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00ec thi\u1ebft k\u1ebf th\u1eb3ng xuy\u00ean su\u1ed1t, do t\u1ea5m van di chuy\u1ec3n theo chi\u1ec1u d\u1ecdc \u0111\u1ec3 \u0111\u00f3ng l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Thi\u1ebft k\u1ebf to\u00e0n \u0111\u01b0\u1eddng k\u00ednh<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thi\u1ebft k\u1ebf to\u00e0n c\u1ed5ng, lo\u1ea1i n\u00e0y c\u00f3 l\u1ed7 b\u00ean trong kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh b\u00ean trong c\u1ee7a \u1ed1ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u01b0u l\u01b0\u1ee3ng t\u1ed1i \u0111a (Cv ho\u1eb7c Kv) cho t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y cao h\u01a1n.<\/li>\n\n\n\n<li>M\u1ee9c t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c \u0111\u01b0\u1eddng k\u00ednh ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n<li>Gi\u1ea3m nhi\u1ec5u lo\u1ea1n gi\u00fap gi\u1ea3m s\u1ef1 m\u00e0i m\u00f2n \u1edf ph\u1ea7n n\u00eam v\u00e0 ch\u1ed7 ng\u1ed3i.<\/li>\n\n\n\n<li>Vi\u1ec7c di chuy\u1ec3n c\u1ee7a l\u1ee3n v\u1ec7 sinh s\u1ebd d\u1ec5 d\u00e0ng h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ed5 bi\u1ebfn l\u1eafm khi c\u00e1ch ly c\u00e1c c\u1ed5ng, k\u00edch th\u01b0\u1edbc van c\u1ed5ng ti\u00eau chu\u1ea9n n\u00e0y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh trong nh\u1ecf h\u01a1n \u0111\u01b0\u1eddng k\u00ednh mi\u1ec7ng c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111\u1ed1i v\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng trong kh\u00f4ng gian ch\u1eadt h\u1eb9p trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/li>\n\n\n\n<li>Gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng ngo\u00e0i kh\u01a1i ho\u1eb7c tr\u00ean cao.<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn h\u01a1n nh\u01b0ng \u00e1p su\u1ea5t gi\u1ea3m nh\u1eb9 h\u01a1n.<\/li>\n\n\n\n<li>Gi\u00e1 tr\u1ecb t\u1ed1t h\u01a1n so v\u1edbi s\u1ed1 ti\u1ec1n b\u1ecf ra khi ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch ch\u1ecdn k\u00edch th\u01b0\u1edbc l\u1ed7 van d\u1ef1a tr\u00ean \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng, h\u1ec7 th\u1ed1ng s\u1ebd duy tr\u00ec \u1ed5n \u0111\u1ecbnh v\u00ec c\u00e1c v\u00f2ng \u0111\u1ec7m s\u1ebd kh\u00f4ng b\u1ecb m\u00f2n s\u1edbm. \u0110\u1ec3 c\u00f3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 c\u00e1ch ch\u1ecdn k\u00edch th\u01b0\u1edbc van, h\u00e3y t\u00ecm hi\u1ec3u th\u00eam. <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/gate-valve\/gate-valve-dimensions-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch \u0111\u1ecdc b\u1ea3ng k\u00edch th\u01b0\u1edbc van c\u1ed5ng<\/a> tr\u00ean blog.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>B\u1ea3ng k\u00edch th\u01b0\u1edbc van c\u1ed5ng m\u1edf r\u1ed9ng<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"670\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-1200x670.webp\" alt=\"\u0110\u00e2y l\u00e0 m\u1ed9t k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng van c\u00f4ng nghi\u1ec7p trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, nh\u01b0ng kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c van n\u00e0y x\u1eed l\u00fd lo\u1ea1i m\u00f4i ch\u1ea5t n\u00e0o.\" class=\"wp-image-1652\" style=\"aspect-ratio:1.7917013831028161;width:661px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-1200x670.webp 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-500x279.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-300x167.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-768x429.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-134x75.webp 134w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-480x268.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69-800x447.webp 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-69.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7p h\u1ed9i K\u1ef9 s\u01b0 C\u01a1 kh\u00ed Hoa K\u1ef3 (ASME) quy \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 b\u1ec1n k\u1ebft c\u1ea5u v\u00e0 k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd c\u1ee7a c\u00e1c lo\u1ea1i van kh\u00e1c nhau. V\u00ed d\u1ee5, ti\u00eau chu\u1ea9n ASME B16.10 ki\u1ec3m tra k\u00edch th\u01b0\u1edbc kho\u1ea3ng c\u00e1ch gi\u1eefa hai m\u1eb7t b\u00edch v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u1ea7u c\u1ee7a van m\u1eb7t b\u00edch v\u00e0 <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/comparison\/butt-weld-vs-flanged-gate-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/comparison\/butt-weld-vs-flanged-gate-valve\/\" rel=\"noreferrer noopener\">m\u1ed1i h\u00e0n gi\u00e1p m\u00ed<\/a> (BW) van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong khi \u0111\u00f3, ti\u00eau chu\u1ea9n ASME B16.34 quy \u0111\u1ecbnh \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng, \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t-nhi\u1ec7t \u0111\u1ed9 v\u00e0 thi\u1ebft k\u1ebf t\u1ed5ng th\u1ec3. C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y cho ph\u00e9p thay th\u1ebf c\u00e1c linh ki\u1ec7n t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t to\u00e0n c\u1ea7u kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft k\u1ebf l\u1ea1i b\u1ed1 c\u1ee5c hi\u1ec7n c\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ma tr\u1eadn k\u00edch th\u01b0\u1edbc c\u1ee7a van c\u1ed5ng lo\u1ea1i 150<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang r\u1ea5t l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t th\u1ea5p \u0111\u1ebfn trung b\u00ecnh, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 th\u1ed1ng HVAC v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc. V\u1edbi nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau.<strong> <\/strong>V\u1edbi k\u00edch th\u01b0\u1edbc t\u1eeb 1,5 \u0111\u1ebfn 64 inch, ch\u00fang c\u00f3 k\u00edch th\u01b0\u1edbc m\u1eb7t \u0111\u1ed1i m\u1eb7t nh\u1ecf g\u1ecdn h\u01a1n. V\u1ecf nh\u1eb9 h\u01a1n v\u00e0 m\u1eb7t b\u00edch m\u1ecfng h\u01a1n nh\u01b0ng v\u1eabn \u0111\u1ee7 ch\u1eafc ch\u1eafn v\u1edbi t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>NPS<\/strong><strong>(TRONG)<\/strong><\/td><td><strong>L(RF)<\/strong><strong>(mm)<\/strong><\/td><td><strong>L(RTJ)<\/strong><strong>(mm)<\/strong><\/td><td><strong>L(BW)<\/strong><strong>(mm)<\/strong><\/td><td><strong>Chi\u1ec1u cao (khi m\u1edf) (mm)<\/strong><\/td><td><strong>Tr\u1ecdng l\u01b0\u1ee3ng (RF) (kg)<\/strong><\/td><\/tr><tr><td>2\u201d<\/td><td>178<\/td><td>191<\/td><td>216<\/td><td>397<\/td><td>17<\/td><\/tr><tr><td>4\u201d<\/td><td>229<\/td><td>241<\/td><td>305<\/td><td>590<\/td><td>47<\/td><\/tr><tr><td>8\u201d<\/td><td>292<\/td><td>305<\/td><td>419<\/td><td>975<\/td><td>122<\/td><\/tr><tr><td>12\u201d<\/td><td>356<\/td><td>368<\/td><td>502<\/td><td>1375<\/td><td>225<\/td><\/tr><tr><td>24\u201d<\/td><td>508<\/td><td>521<\/td><td>813<\/td><td>2522<\/td><td>1135<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c phi\u00ean b\u1ea3n nh\u1ecf h\u01a1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1eb1ng tay quay, trong khi c\u00e1c phi\u00ean b\u1ea3n \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n c\u1ea7n c\u00f3 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00e1nh r\u0103ng \u0111\u1ec3 m\u1edf v\u00e0 \u0111\u00f3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ma tr\u1eadn k\u00edch th\u01b0\u1edbc c\u1ee7a van c\u1ed5ng lo\u1ea1i 300<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u00e1p \u1ee9ng m\u1ee9c \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng ng\u00e0y c\u00e0ng t\u0103ng, c\u00e1c van c\u1ed5ng n\u00e0y c\u00f3 k\u00edch th\u01b0\u1edbc d\u00e0i h\u01a1n, d\u00e0y h\u01a1n v\u00e0 n\u1eb7ng h\u01a1n nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ranh gi\u1edbi \u00e1p su\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>NPS<\/strong><strong>(TRONG)<\/strong><\/td><td><strong>L(RF)<\/strong><strong>(mm)<\/strong><\/td><td><strong>L(RTJ)<\/strong><strong>(mm)<\/strong><\/td><td><strong>L(BW)<\/strong><strong>(mm)<\/strong><\/td><td><strong>Chi\u1ec1u cao (khi m\u1edf) (mm)<\/strong><\/td><td><strong>Tr\u1ecdng l\u01b0\u1ee3ng (RF) (kg)<\/strong><\/td><\/tr><tr><td>2\u201d<\/td><td>216<\/td><td>232<\/td><td>216<\/td><td>430<\/td><td>26<\/td><\/tr><tr><td>4\u201d<\/td><td>305<\/td><td>321<\/td><td>305<\/td><td>650<\/td><td>73<\/td><\/tr><tr><td>8\u201d<\/td><td>419<\/td><td>435<\/td><td>419<\/td><td>1040<\/td><td>204<\/td><\/tr><tr><td>12\u201d<\/td><td>502<\/td><td>518<\/td><td>502<\/td><td>1440<\/td><td>465<\/td><\/tr><tr><td>24\u201d<\/td><td>1143<\/td><td>1165<\/td><td>1143<\/td><td>2587<\/td><td>2320<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n l\u01b0u \u00fd r\u1eb1ng, v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng kho\u1ea3ng 2.320 kg, van c\u1ed5ng ti\u00eau chu\u1ea9n k\u00edch th\u01b0\u1edbc 24 inch c\u1ea7n c\u00f3 h\u1ec7 th\u1ed1ng khung \u0111\u1ee1 ri\u00eang. Th\u00eam v\u00e0o \u0111\u00f3, vi\u1ec7c l\u1eafp \u0111\u1eb7t ho\u1eb7c thay th\u1ebf nhanh ch\u00f3ng v\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng c\u0169ng l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3. N\u00ean s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00e1nh r\u0103ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00f4-men xo\u1eafn c\u1ea7n thi\u1ebft cho vi\u1ec7c l\u00e0m k\u00edn c\u00e1c gio\u0103ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ma tr\u1eadn k\u00edch th\u01b0\u1edbc c\u1ee7a van c\u1ed5ng lo\u1ea1i 600<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 b\u01a1m h\u01a1i \u00e1p su\u1ea5t cao, khai th\u00e1c d\u1ea7u kh\u00ed, ph\u00e1t \u0111i\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi cao kh\u00e1c. Ch\u00fang th\u01b0\u1eddng c\u00f3 c\u00e1c m\u1ed1i n\u1ed1i ki\u1ec3u v\u00f2ng (RTJ) ho\u1eb7c m\u1ed1i n\u1ed1i h\u00e0n \u0111\u1ed1i \u0111\u1ea7u, khi\u1ebfn ch\u00fang n\u1eb7ng h\u01a1n, d\u00e0i h\u01a1n v\u00e0 l\u1edbn h\u01a1n v\u1ec1 c\u1ea5u t\u1ea1o, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>NPS<\/strong><strong>(TRONG)<\/strong><\/td><td><strong>L(RF)<\/strong><strong>(mm)<\/strong><\/td><td><strong>L(RTJ)<\/strong><strong>(mm)<\/strong><\/td><td><strong>L(BW)<\/strong><strong>(mm)<\/strong><\/td><td><strong>Chi\u1ec1u cao (khi m\u1edf) (mm)<\/strong><\/td><td><strong>Tr\u1ecdng l\u01b0\u1ee3ng (RF) (kg)<\/strong><\/td><\/tr><tr><td>2\u201d<\/td><td>330<\/td><td>333<\/td><td>330<\/td><td>512<\/td><td>55<\/td><\/tr><tr><td>4\u201d<\/td><td>559<\/td><td>562<\/td><td>559<\/td><td>890<\/td><td>260<\/td><\/tr><tr><td>8\u201d<\/td><td>838<\/td><td>841<\/td><td>838<\/td><td>1458<\/td><td>854<\/td><\/tr><tr><td>12\u201d<\/td><td>991<\/td><td>994<\/td><td>991<\/td><td>1825<\/td><td>1317<\/td><\/tr><tr><td>24\u201d<\/td><td>1549<\/td><td>1562<\/td><td>1549<\/td><td>3120<\/td><td>7450<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Do c\u00e1c c\u1ea5p \u00e1p su\u1ea5t v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra l\u1ea1i c\u00e1c s\u1ed1 \u0111o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng k\u00edch th\u01b0\u1edbc van c\u1ed5ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc khi mua v\u00e0 l\u1eafp \u0111\u1eb7t. B\u1ea3ng n\u00e0y d\u1ec5 d\u00e0ng t\u00ecm th\u1ea5y \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m YKY, v\u00ed d\u1ee5 nh\u01b0 tr\u00ean trang web c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. <a href=\"https:\/\/www.ykyvalve.com\/vi\/product\/api-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van c\u1ed5ng API<\/a> V\u00e0 <a href=\"https:\/\/www.ykyvalve.com\/vi\/product\/gb-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van c\u1ed5ng GB<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u1ea5p \u00e1p su\u1ea5t \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"670\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-1200x670.webp\" alt=\"\u0110\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 h\u1ec7 th\u1ed1ng gi\u00e1 \u0111\u1ee1 k\u1ebft c\u1ea5u chuy\u00ean d\u1ee5ng cho c\u00e1c van c\u1ed5ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng lo\u1ea1i l\u1edbn Class 300 v\u00e0 Class 600.\" class=\"wp-image-1653\" style=\"aspect-ratio:1.7910967180627386;width:607px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-1200x670.webp 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-500x279.webp 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-300x167.webp 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-768x429.webp 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-18x10.webp 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-134x75.webp 134w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-480x268.webp 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70-800x447.webp 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2026\/07\/image-70.webp 1376w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 th\u1ec3 c\u00f9ng m\u1ed9t ch\u1ec9 s\u1ed1 NPS (Non-Painting Pressure) gi\u1eefa c\u00e1c lo\u1ea1i van c\u00f3 \u00e1p su\u1ea5t kh\u00e1c nhau, nh\u01b0ng m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho nguy c\u01a1 s\u1ed1c nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t t\u0129nh cao h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 d\u00e0y v\u1ecf van: Van lo\u1ea1i 600 y\u00eau c\u1ea7u th\u00e0nh van d\u00e0y h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng do \u1ee9ng su\u1ea5t khi \u00e1p su\u1ea5t \u0111\u1ea1t \u0111\u1ec9nh. V\u00ec l\u00fd do n\u00e0y, v\u1eadt li\u1ec7u b\u1ed5 sung c\u0169ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u1eb7t b\u00edch, to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac n\u1eafp van v\u00e0 \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft n\u1ed1i \u0111\u1ea7u cu\u1ed1i: Van lo\u1ea1i 150 v\u00e0 300 th\u01b0\u1eddng c\u1ea7n m\u1eb7t b\u00edch n\u00e2ng cao. Tuy nhi\u00ean, van lo\u1ea1i 600 tr\u1edf l\u00ean c\u1ea7n... <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/connection-method\/rf-vs-rtj-vs-bw-gate-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.ykyvalve.com\/blog\/connection-method\/rf-vs-rtj-vs-bw-gate-valve\/\" rel=\"noreferrer noopener\">RTJ<\/a> v\u00e0 c\u00e1c m\u1ed1i n\u1ed1i BW \u0111\u1ec3 ch\u00fang \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kho\u1ea3ng h\u1edf v\u1eadn h\u00e0nh: Van lo\u1ea1i 600 \u1edf v\u1ecb tr\u00ed m\u1edf c\u00f3 chi\u1ec1u cao l\u1edbn h\u01a1n so v\u1edbi van lo\u1ea1i 150 ho\u1eb7c lo\u1ea1i 300. \u0110i\u1ec1u n\u00e0y l\u00e0 do n\u00eam b\u00ean trong d\u00e0y h\u01a1n, c\u1ea7n tr\u1ee5c d\u00e0i h\u01a1n v\u00e0 n\u1eafp cao h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>H\u01b0\u1edbng d\u1eabn \u0111o van c\u1ed5ng: L\u1eafp \u0111\u1eb7t v\u00e0 k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<style>\r\n\/* \u5f15\u5165 Poppins \u5b57\u4f53 *\/\r\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600;700&display=swap');\r\n\r\n.hero-product-card {\r\n    display: flex;\r\n    align-items: center;\r\n    justify-content: space-between;\r\n    background: #f9f9f9;\r\n    border: 1px solid #e0e0e0;\r\n    border-radius: 12px;\r\n    padding: 25px;\r\n    margin: 40px 0;\r\n    box-shadow: 0 4px 10px rgba(0,0,0,0.05);\r\n    font-family: 'Poppins', Arial, sans-serif; \/* \u5b57\u4f53\u4fee\u6539\u4e3a Poppins *\/\r\n    flex-wrap: wrap;\r\n    transition: box-shadow 0.3s ease;\r\n}\r\n\r\n.hero-product-card:hover {\r\n    box-shadow: 0 6px 16px rgba(0,0,0,0.08);\r\n}\r\n\r\n.hero-product-card .content {\r\n    max-width: 60%;\r\n}\r\n\r\n.product-title {\r\n    font-size: 24px; \/* \u7565\u5fae\u589e\u5927\u6807\u9898\uff0c\u66f4\u7b26\u5408 Poppins \u98ce\u683c *\/\r\n    color: #F2654A; \/* \u6807\u9898\u989c\u8272\u4fee\u6539 *\/\r\n    margin-bottom: 12px;\r\n    font-weight: 700; \/* \u5b57\u4f53\u52a0\u7c97 *\/\r\n}\r\n\r\n.hero-product-card p {\r\n    font-size: 16px; \/* \u7565\u5fae\u589e\u5927\u6b63\u6587\u5b57\u4f53 *\/\r\n    color: #333;\r\n    margin-bottom: 20px;\r\n    line-height: 1.6;\r\n    font-weight: 400;\r\n}\r\n\r\n.hero-product-card a.cta {\r\n    display: inline-block;\r\n    padding: 12px 22px; \/* \u6309\u94ae\u7565\u5fae\u589e\u5927 *\/\r\n    background-color: #F2654A; \/* \u6309\u94ae\u80cc\u666f\u8272\u4fee\u6539 *\/\r\n    color: #fff;\r\n    text-decoration: none;\r\n    border-radius: 8px; \/* \u7565\u5fae\u5706\u89d2 *\/\r\n    font-weight: 600;\r\n    transition: background-color 0.3s ease;\r\n}\r\n\r\n.hero-product-card a.cta:hover {\r\n    background-color: #D8583B; \/* \u81ea\u52a8\u52a0\u6df1\u7ea6 15% *\/\r\n}\r\n\r\n.hero-product-card .image {\r\n    max-width: 35%;\r\n}\r\n\r\n.hero-product-card .image img {\r\n    max-width: 100%;\r\n    height: auto;\r\n    border-radius: 8px;\r\n    border: 1px solid #ddd;\r\n    transition: transform 0.3s ease;\r\n}\r\n\r\n.hero-product-card .image a:hover img {\r\n    transform: scale(1.02);\r\n}\r\n\r\n@media (max-width: 768px) {\r\n    .hero-product-card {\r\n        flex-direction: column;\r\n        padding: 20px;\r\n    }\r\n    .hero-product-card .content,\r\n    .hero-product-card .image {\r\n        max-width: 100%;\r\n    }\r\n    .hero-product-card .image {\r\n        order: -1;\r\n        margin-bottom: 15px;\r\n    }\r\n    .product-title {\r\n        font-size: 20px;\r\n    }\r\n}\r\n<\/style>\r\n\r\n<div class=\"hero-product-card\">\r\n    <div class=\"content\">\r\n        <div class=\"product-title\">Van c\u1ed5ng GB<\/div>\r\n        <p>Van c\u1ed5ng GB \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, bao g\u1ed3m c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, h\u00f3a d\u1ea7u v\u00e0 n\u0103ng l\u01b0\u1ee3ng.<\/p>\r\n        <a class=\"cta\" href=\"https:\/\/www.ykyvalve.com\/vi\/product\/gb-gate-valve\/\" target=\"_blank\">Kh\u00e1m ph\u00e1 s\u1ea3n ph\u1ea9m<\/a>\r\n    <\/div>\r\n    <div class=\"image\">\r\n        <a href=\"https:\/\/www.ykyvalve.com\/vi\/product\/gb-gate-valve\/\" target=\"_blank\">\r\n            <img decoding=\"async\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/07\/GB-Gate-Valve.png\" alt=\"Van c\u1ed5ng GB\">\r\n        <\/a>\r\n    <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 l\u1eafp \u0111\u1eb7t van c\u1ed5ng v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng \u0111\u00fang c\u00e1ch, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra s\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00f3 \u0111\u1ee7 kho\u1ea3ng tr\u1ed1ng cho c\u00e1c tr\u1ee5c van cao h\u01a1n v\u00e0 ki\u1ec3m tra xem n\u00f3 c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi \u0111\u1ea7u n\u1ed1i cu\u1ed1i hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc van c\u1ed5ng ph\u00f9 h\u1ee3p \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t \u0111\u01b0\u1eddng k\u00ednh l\u1ed7, c\u1ea5p \u00e1p su\u1ea5t v\u00e0 k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n. YKY Valve cung c\u1ea5p van c\u1ed5ng v\u1edbi nhi\u1ec1u c\u1ea5u h\u00ecnh kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o m\u1ecdi ng\u01b0\u1eddi mua v\u00e0 chuy\u00ean gia thu mua \u0111\u1ec1u t\u00ecm \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh.<\/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>Nominal Pipe Size (NPS) is not the sole factor that defines gate valve sizes. In fact, face-to-face dimensions and pressure classes are also checked if they<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":1651,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[],"class_list":["post-1650","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate-valve"],"_links":{"self":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1650","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=1650"}],"version-history":[{"count":3,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1650\/revisions"}],"predecessor-version":[{"id":1656,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/1650\/revisions\/1656"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media\/1651"}],"wp:attachment":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=1650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/categories?post=1650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/tags?post=1650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}