{"id":1239,"date":"2025-10-29T00:34:26","date_gmt":"2025-10-28T17:34:26","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich\/"},"modified":"2025-10-29T00:34:26","modified_gmt":"2025-10-28T17:34:26","slug":"phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich\/","title":{"rendered":"Ph\u1ee5 ki\u1ec7n \u1ed1ng Inox c\u00f4ng nghi\u1ec7p: Co, T\u00ea, B\u1ea7u gi\u1ea3m, Van &#038; M\u1eb7t b\u00edch"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tong-quan-vi-sao-phu-kien-inox-quyet-dinh-chat-luo\">T\u1ed5ng quan: V\u00ec sao ph\u1ee5 ki\u1ec7n Inox quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng \u1ed1ng<\/a><\/li>\n<li><a href=\"#toc-1-vat-lieu-inox-va-khi-nao-chon-201304316316l321dupl\">V\u1eadt li\u1ec7u Inox v\u00e0 khi n\u00e0o ch\u1ecdn 201\/304\/316\/316L\/321\/Duplex<\/a><\/li>\n<li><a href=\"#toc-2-tieu-chuan-ky-thuat-can-biet-pho-bien-va-ap-dung-t\">Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ea7n bi\u1ebft (ph\u1ed5 bi\u1ebfn v\u00e0 \u00e1p d\u1ee5ng t\u1ea1i VN)<\/a><\/li>\n<li><a href=\"#toc-3-co-elbow-90-45-180-lrsr-va-anh-huong-thuy-luc\">Co (Elbow): 90\u00b0, 45\u00b0, 180\u00b0, LR\/SR v\u00e0 \u1ea3nh h\u01b0\u1edfng th\u1ee7y l\u1ef1c<\/a><\/li>\n<li><a href=\"#toc-4-te-tee-thang-va-giam-gia-cuong-nhanh\">T\u00ea (Tee): th\u1eb3ng v\u00e0 gi\u1ea3m, gia c\u01b0\u1eddng nh\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-5-bau-giam-reducer-dong-tam-va-lech-tam-lap-dung-chi\">B\u1ea7u gi\u1ea3m (Reducer): \u0111\u1ed3ng t\u00e2m v\u00e0 l\u1ec7ch t\u00e2m, l\u1eafp \u0111\u00fang chi\u1ec1u<\/a><\/li>\n<li><a href=\"#toc-6-mat-bich-flange-kieu-chuan-pnclass-be-mat-va-gioan\">M\u1eb7t b\u00edch (Flange): ki\u1ec3u, chu\u1ea9n PN\/Class, b\u1ec1 m\u1eb7t v\u00e0 gio\u0103ng<\/a><\/li>\n<li><a href=\"#toc-7-van-valve-chon-dung-loai-ghe-ket-noi-va-truyen-don\">Van (Valve): ch\u1ecdn \u0111\u00fang lo\u1ea1i, gh\u1ebf, k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n \u0111\u1ed9ng<\/a><\/li>\n<li><a href=\"#toc-8-chon-phu-kien-theo-ung-dung-dien-hinh\">Ch\u1ecdn ph\u1ee5 ki\u1ec7n theo \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/a><\/li>\n<li><a href=\"#toc-9-kich-thuoc-ton-kho-pho-bien-tai-viet-nam\">K\u00edch th\u01b0\u1edbc t\u1ed3n kho ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-10-thiet-ke-va-tinh-toan-nhanh-ban-nen-biet\">Thi\u1ebft k\u1ebf v\u00e0 t\u00ednh to\u00e1n nhanh b\u1ea1n n\u00ean bi\u1ebft<\/a><\/li>\n<li><a href=\"#toc-11-quy-trinh-lap-dat-han-bich-va-kiem-dinh\">Quy tr\u00ecnh l\u1eafp \u0111\u1eb7t: h\u00e0n, b\u00edch v\u00e0 ki\u1ec3m \u0111\u1ecbnh<\/a><\/li>\n<li><a href=\"#toc-12-bao-tri-va-tuoi-tho\">B\u1ea3o tr\u00ec v\u00e0 tu\u1ed5i th\u1ecd<\/a><\/li>\n<li><a href=\"#toc-13-chi-phi-va-nguon-cung-yeu-to-anh-huong-gia\">Chi ph\u00ed v\u00e0 ngu\u1ed3n cung: y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng gi\u00e1<\/a><\/li>\n<li><a href=\"#toc-14-sai-lam-thuong-gap-va-cach-tranh\">Sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-15-checklist-chon-phu-kien-nhanh\">Checklist ch\u1ecdn ph\u1ee5 ki\u1ec7n nhanh<\/a><\/li>\n<li><a href=\"#toc-16-khi-nao-can-giai-phap-dac-biet\">Khi n\u00e0o c\u1ea7n gi\u1ea3i ph\u00e1p \u0111\u1eb7c bi\u1ec7t<\/a><\/li>\n<li><a href=\"#toc-17-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng Inox l\u00e0 m\u1eaft x\u00edch quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 k\u00edn, \u0111\u1ed9 b\u1ec1n v\u00e0 an to\u00e0n c\u1ee7a to\u00e0n h\u1ec7 th\u1ed1ng d\u1eabn l\u01b0u c\u00f4ng nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o 5 nh\u00f3m ph\u1ee5 ki\u1ec7n c\u1ed1t l\u00f5i: co, t\u00ea, b\u1ea7u gi\u1ea3m, van v\u00e0 m\u1eb7t b\u00edch \u2014 c\u00e1ch ch\u1ecdn lo\u1ea1i, ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, v\u1eadt li\u1ec7u, ph\u01b0\u01a1ng ph\u00e1p l\u1eafp, c\u00f9ng nh\u1eefng l\u01b0u \u00fd thi\u1ebft k\u1ebf\u2013thi c\u00f4ng theo th\u1ef1c t\u1ebf th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<h2 id=\"toc-0-tong-quan-vi-sao-phu-kien-inox-quyet-dinh-chat-luo\">T\u1ed5ng quan: V\u00ec sao ph\u1ee5 ki\u1ec7n Inox quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng \u1ed1ng<\/h2>\n<p>&#8211; \u1ea2nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 k\u00edn (leak-tightness), s\u1ee5t \u00e1p, kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p v\u00e0 v\u1ec7 sinh c\u1ee7a h\u1ec7 th\u1ed1ng.<br \/>\n&#8211; L\u00e0 v\u1ecb tr\u00ed d\u1ec5 ph\u00e1t sinh \u0103n m\u00f2n c\u1ee5c b\u1ed9 (khe k\u1ebd, r\u1ed7), n\u1ee9t do \u1ee9ng su\u1ea5t, v\u00e0 h\u01b0 h\u1ecfng do rung\/gi\u00e3n n\u1edf nhi\u1ec7t.<br \/>\n&#8211; L\u1ef1a ch\u1ecdn \u0111\u00fang gi\u00fap t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi (LCC): \u00edt thay th\u1ebf, gi\u1ea3m d\u1eebng m\u00e1y, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>C\u00e1c h\u1ec7 \u1ed1ng ti\u00eau bi\u1ec3u t\u1ea1i Vi\u1ec7t Nam d\u00f9ng ph\u1ee5 ki\u1ec7n Inox:<br \/>\n&#8211; N\u01b0\u1edbc s\u1ea1ch, HVAC, PCCC: PN10\u2013PN16, DN15\u2013DN300, 304\/304L l\u00e0 ch\u1ee7 \u0111\u1ea1o.<br \/>\n&#8211; Th\u1ef1c ph\u1ea9m\u2013\u0111\u1ed3 u\u1ed1ng (F&#038;B), d\u01b0\u1ee3c: b\u1ec1 m\u1eb7t v\u1ec7 sinh, Tri-Clamp, 304L\/316L, Ra \u2264 0.8 \u03bcm.<br \/>\n&#8211; H\u00f3a ch\u1ea5t, xi m\u1ea1, n\u01b0\u1edbc bi\u1ec3n: 316\/316L, \u0111\u00f4i khi Duplex 2205 cho chloride cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 > 60\u00b0C.<\/p>\n<h2 id=\"toc-1-vat-lieu-inox-va-khi-nao-chon-201304316316l321dupl\">V\u1eadt li\u1ec7u Inox v\u00e0 khi n\u00e0o ch\u1ecdn 201\/304\/316\/316L\/321\/Duplex<\/h2>\n<p>&#8211; Inox 201: chi ph\u00ed th\u1ea5p, kh\u00e1ng \u0103n m\u00f2n v\u1eeba; kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho d\u1ecbch chloride ho\u1eb7c m\u00f4i tr\u01b0\u1eddng bi\u1ec3n.<br \/>\n&#8211; Inox 304\/304L: \u0111a d\u1ee5ng; 304L gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n li\u00ean h\u1ea1t khi h\u00e0n. Th\u01b0\u1eddng d\u00f9ng cho n\u01b0\u1edbc s\u1ea1ch, HVAC.<br \/>\n&#8211; Inox 316\/316L: b\u1ed5 sung Mo, kh\u00e1ng pitting\/crevice t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng chloride, CIP v\u1edbi h\u00f3a ch\u1ea5t nh\u1eb9.<br \/>\n&#8211; Inox 321: \u1ed5n \u0111\u1ecbnh titan, ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n cho kh\u00ed th\u1ea3i\/nhi\u1ec7t cao.<br \/>\n&#8211; Duplex 2205: b\u1ec1n c\u01a1 cao, ch\u1ed1ng SCC chloride; c\u00e2n nh\u1eafc cho n\u01b0\u1edbc bi\u1ec3n, b\u1ed1c h\u01a1i mu\u1ed1i, b\u1ec3 mu\u1ed1i.<br \/>\nG\u1ee3i \u00fd nhanh:<br \/>\n&#8211; V\u00f9ng ven bi\u1ec3n, phun s\u01b0\u01a1ng mu\u1ed1i, nhi\u1ec7t > 60\u00b0C ho\u1eb7c CIP\/NaClO: 316\/316L.<br \/>\n&#8211; H\u00e0n nhi\u1ec1u, y\u00eau c\u1ea7u v\u1ec7 sinh: d\u00f9ng \u201cL\u201d grade (304L\/316L).<br \/>\n&#8211; S\u1ea3n ph\u1ea9m ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c: y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u v\u00e0 b\u1ec1 m\u1eb7t theo FDA\/EC 1935\/2004.<\/p>\n<h2 id=\"toc-2-tieu-chuan-ky-thuat-can-biet-pho-bien-va-ap-dung-t\">Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ea7n bi\u1ebft (ph\u1ed5 bi\u1ebfn v\u00e0 \u00e1p d\u1ee5ng t\u1ea1i VN)<\/h2>\n<p>&#8211; Fittings h\u00e0n \u0111\u1ed1i \u0111\u1ea7u (butt-weld): ASME B16.9; v\u1eadt li\u1ec7u ASTM A403 WP304\/304L, WP316\/316L; EN 10253 l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ch\u00e2u \u00c2u.<br \/>\n&#8211; Fittings h\u00e0n \u1ed5 c\u1eafm\/ren: ASME B16.11 (socket-weld, threaded). Ren NPT theo ASME B1.20.1; BSPT\/BSPP theo ISO 7-1\/ISO 228 ph\u1ed5 bi\u1ebfn t\u1ea1i VN \u2013 c\u1ea7n th\u1ed1ng nh\u1ea5t ren.<br \/>\n&#8211; M\u1eb7t b\u00edch: ASME B16.5 (Class 150\/300 cho NPS 1\/2&#8243;\u201324&#8243;); EN 1092-1 (PN10\/16\/25\/40) cho h\u1ec7 m\u00e9t.<br \/>\n&#8211; Van: th\u1eed k\u00edn API 598 ho\u1eb7c EN 12266; \u0111\u1ec7m PTFE\/graphite\/EPDM\/Viton t\u00f9y m\u00f4i ch\u1ea5t; ISO 5211 cho pad g\u1eafn truy\u1ec1n \u0111\u1ed9ng; v\u1edbi d\u1ea7u kh\u00ed c\u00f3 th\u1ec3 y\u00eau c\u1ea7u API 607 (fire-safe).<br \/>\n&#8211; \u1ed0ng v\u00e0 \u0111\u1ed9 d\u00e0y: ASTM A312 (pipe); Schedule SCH10S\/SCH40S\/SCH80S. Sanitary th\u01b0\u1eddng d\u00f9ng \u1ed1ng m\u1ecfng SCH5S\/10S; h\u00f3a ch\u1ea5t\/\u00e1p cao c\u00e2n nh\u1eafc SCH40S tr\u1edf l\u00ean.<br \/>\n&#8211; B\u1ec1 m\u1eb7t v\u1ec7 sinh: ISO 2852 (Tri-Clamp), Ra \u2264 0.8 \u03bcm; quy tr\u00ecnh passivation theo ASTM A967.<\/p>\n<h2 id=\"toc-3-co-elbow-90-45-180-lrsr-va-anh-huong-thuy-luc\">Co (Elbow): 90\u00b0, 45\u00b0, 180\u00b0, LR\/SR v\u00e0 \u1ea3nh h\u01b0\u1edfng th\u1ee7y l\u1ef1c<\/h2>\n<p>&#8211; D\u1ea1ng ch\u00ednh:<br \/>\n  &#8211; 90\u00b0\/45\u00b0\/180\u00b0; b\u00e1n k\u00ednh d\u00e0i LR = 1.5D, b\u00e1n k\u00ednh ng\u1eafn SR = 1.0D.<br \/>\n  &#8211; Co gi\u1ea3m (reducing elbow) cho chuy\u1ec3n c\u1ee1 g\u1ecdn.<br \/>\n&#8211; Ki\u1ec3u n\u1ed1i: h\u00e0n \u0111\u1ed1i \u0111\u1ea7u (B16.9), h\u00e0n \u1ed5 c\u1eafm\/ren (B16.11), Tri-Clamp trong sanitary.<br \/>\n&#8211; \u1ea2nh h\u01b0\u1edfng s\u1ee5t \u00e1p:<br \/>\n  &#8211; 90\u00b0 LR: h\u1ec7 s\u1ed1 t\u1ed5n th\u1ea5t K \u2248 0.9; SR: K \u2248 1.5. Le\/D x\u1ea5p x\u1ec9 30 (LR) v\u00e0 60 (SR).<br \/>\n  &#8211; V\u1edbi l\u01b0u l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c b\u01a1m nh\u1ea1y NPSH, \u01b0u ti\u00ean LR \u0111\u1ec3 gi\u1ea3m t\u1ed5n th\u1ea5t.<br \/>\n&#8211; L\u1ef1a ch\u1ecdn:<br \/>\n  &#8211; HVAC\/n\u01b0\u1edbc: 304L, LR, SCH10S\/40S t\u00f9y \u00e1p.<br \/>\n  &#8211; H\u00f3a ch\u1ea5t\/bi\u1ec3n: 316L, LR; tr\u00e1nh g\u00f3c g\u1eaft g\u00e2y l\u1eafng c\u1eb7n.<br \/>\n  &#8211; Sanitary: co h\u00e0n ch\u1ecfm m\u1ecfng \u0111\u00e1nh b\u00f3ng trong, Ra \u2264 0.8 \u03bcm; ki\u1ec3m bavia sau h\u00e0n.<\/p>\n<h2 id=\"toc-4-te-tee-thang-va-giam-gia-cuong-nhanh\">T\u00ea (Tee): th\u1eb3ng v\u00e0 gi\u1ea3m, gia c\u01b0\u1eddng nh\u00e1nh<\/h2>\n<p>&#8211; Lo\u1ea1i: t\u00ea \u0111\u1ec1u (equal\/straight), t\u00ea gi\u1ea3m (reducing). T\u00ea ch\u1ea1c Y d\u00f9ng khi c\u1ea7n gi\u1ea3m t\u1ed5n th\u1ea5t.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n: ASME B16.9\/ASTM A403; sanitary c\u00f3 t\u00ea Tri-Clamp.<br \/>\n&#8211; L\u01b0u \u00fd thi\u1ebft k\u1ebf:<br \/>\n  &#8211; Nh\u00e1nh r\u1ebd c\u00f3 th\u1ec3 c\u1ea7n gia c\u01b0\u1eddng (pad reinforcement) khi \u00e1p cao\/\u1ee9ng su\u1ea5t rung.<br \/>\n  &#8211; V\u1edbi d\u00f2ng h\u1ea1t\/c\u1eb7n, c\u00e2n nh\u1eafc Y-tee \u0111\u1ec3 tr\u00e1nh l\u1eafng.<br \/>\n&#8211; L\u1eafp \u0111\u1eb7t: canh t\u00e2m, khe h\u1edf g\u1ed1c h\u00e0n th\u00edch h\u1ee3p; d\u00f9ng d\u00e2y \u0111\u1ec7m ch\u1ecbu nhi\u1ec7t khi purge.<\/p>\n<h2 id=\"toc-5-bau-giam-reducer-dong-tam-va-lech-tam-lap-dung-chi\">B\u1ea7u gi\u1ea3m (Reducer): \u0111\u1ed3ng t\u00e2m v\u00e0 l\u1ec7ch t\u00e2m, l\u1eafp \u0111\u00fang chi\u1ec1u<\/h2>\n<p>&#8211; Lo\u1ea1i:<br \/>\n  &#8211; Concentric (\u0111\u1ed3ng t\u00e2m): d\u00f9ng cho \u0111\u01b0\u1eddng \u0111\u1ee9ng ho\u1eb7c n\u01a1i kh\u00f4ng lo b\u1eaby kh\u00ed\/ch\u1ea5t l\u1ecfng.<br \/>\n  &#8211; Eccentric (l\u1ec7ch t\u00e2m): tr\u00e1nh b\u1eaby kh\u00ed\/ch\u1ea5t l\u1ecfng tr\u00ean tuy\u1ebfn ngang.<br \/>\n&#8211; Quy t\u1eafc l\u1eafp:<br \/>\n  &#8211; H\u00fat b\u01a1m tuy\u1ebfn ngang: l\u1ec7ch t\u00e2m \u201cm\u1eb7t ph\u1eb3ng tr\u00ean\u201d (FSU) \u0111\u1ec3 kh\u00f4ng t\u00edch kh\u00ed.<br \/>\n  &#8211; \u0110\u01b0\u1eddng x\u1ea3\/tho\u00e1t \u0111\u00e1y: \u0111\u00f4i khi c\u1ea7n \u201cm\u1eb7t ph\u1eb3ng d\u01b0\u1edbi\u201d (FSD) \u0111\u1ec3 kh\u00f4ng \u0111\u1ecdng ch\u1ea5t l\u1ecfng.<br \/>\n&#8211; Sanitary: \u01b0u ti\u00ean chuy\u1ec3n c\u1ee1 d\u1ea7n, b\u1ec1 m\u1eb7t m\u1ecbn; tr\u00e1nh g\u00f3c g\u1eaft.<\/p>\n<h2 id=\"toc-6-mat-bich-flange-kieu-chuan-pnclass-be-mat-va-gioan\">M\u1eb7t b\u00edch (Flange): ki\u1ec3u, chu\u1ea9n PN\/Class, b\u1ec1 m\u1eb7t v\u00e0 gio\u0103ng<\/h2>\n<p>&#8211; Ki\u1ec3u ch\u00ednh:<br \/>\n  &#8211; Weld Neck (WN) cho \u00e1p cao\/nhi\u1ec7t, c\u0103n ch\u1ec9nh t\u1ed1t.<br \/>\n  &#8211; Slip-On (SO) cho l\u1eafp nhanh, \u00e1p trung b\u00ecnh.<br \/>\n  &#8211; Blind (BL) \u0111\u1ec3 b\u1ecbt k\u00edn \u0111\u1ea7u \u1ed1ng, v\u1ecb tr\u00ed test\/maintenance.<br \/>\n  &#8211; Threaded, Socket-Weld, Lap Joint (v\u1edbi stub end) cho \u0111\u01b0\u1eddng \u1ed1ng c\u1ea7n th\u00e1o l\u1eafp.<br \/>\n&#8211; Chu\u1ea9n v\u00e0 \u00e1p:<br \/>\n  &#8211; ASME Class 150\/300; EN PN10\/16\/25\/40. PN16 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n v\u1edbi Class 150 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng nh\u01b0ng kh\u00f4ng ho\u00e1n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp \u2014 c\u1ea7n so \u0111\u1ed3 \u00e1p\u2013nhi\u1ec7t theo ti\u00eau chu\u1ea9n.<br \/>\n&#8211; B\u1ec1 m\u1eb7t v\u00e0 gio\u0103ng:<br \/>\n  &#8211; M\u1eb7t Raised Face (RF) v\u1edbi nh\u00e1m v\u00f2ng 125\u2013250 AARH t\u0103ng ma s\u00e1t gio\u0103ng.<br \/>\n  &#8211; Gio\u0103ng: spiral wound 316\/graphite (\u0111a d\u1ee5ng, nhi\u1ec7t cao); PTFE (h\u00f3a ch\u1ea5t, v\u1ec7 sinh); EPDM (n\u01b0\u1edbc, F&#038;B); FKM\/Viton (d\u1ea7u, dung m\u00f4i).<br \/>\n&#8211; L\u1eafp si\u1ebft:<br \/>\n  &#8211; L\u00e0m s\u1ea1ch, c\u0103n \u0111\u1ed3ng t\u00e2m, b\u00f4i tr\u01a1n ren\/b\u1ec1 m\u1eb7t \u0111\u1ec7m; si\u1ebft theo h\u00ecnh sao, t\u0103ng m\u00f4-men t\u1eebng b\u01b0\u1edbc; ki\u1ec3m tra l\u1ea1i sau 24 gi\u1edd v\u1eadn h\u00e0nh.<\/p>\n<h2 id=\"toc-7-van-valve-chon-dung-loai-ghe-ket-noi-va-truyen-don\">Van (Valve): ch\u1ecdn \u0111\u00fang lo\u1ea1i, gh\u1ebf, k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n \u0111\u1ed9ng<\/h2>\n<p>&#8211; Ch\u1ee9c n\u0103ng:<br \/>\n  &#8211; Ch\u1eb7n\/m\u1edf: ball, gate, butterfly.<br \/>\n  &#8211; \u0110i\u1ec1u ti\u1ebft: globe, butterfly ph\u00f9 h\u1ee3p \u0111i\u1ec1u khi\u1ec3n; diaphragm valve cho sanitary\/d\u01b0\u1ee3c.<br \/>\n  &#8211; M\u1ed9t chi\u1ec1u: swing check, wafer dual-plate cho l\u1eafp g\u1ecdn gi\u1eefa b\u00edch.<br \/>\n&#8211; K\u1ebft n\u1ed1i: ren, h\u00e0n, b\u00edch, clamp; ch\u1ecdn theo \u00e1p, DN v\u00e0 y\u00eau c\u1ea7u v\u1ec7 sinh.<br \/>\n&#8211; V\u1eadt li\u1ec7u th\u00e2n\/gh\u1ebf:<br \/>\n  &#8211; Th\u00e2n 304\/316; gh\u1ebf PTFE\/RPTFE (h\u00f3a ch\u1ea5t, -20 \u0111\u1ebfn ~200\u00b0C), PFA (kh\u00e1ng h\u00f3a ch\u1ea5t cao), EPDM (n\u01b0\u1edbc), FKM (d\u1ea7u\/nhi\u1ec7t cao), graphite (nhi\u1ec7t cao).<br \/>\n&#8211; Chu\u1ea9n th\u1eed k\u00edn: API 598\/EN 12266; \u1ee9ng d\u1ee5ng hydrocarbon c\u00e2n nh\u1eafc API 607 (fire-safe).<br \/>\n&#8211; Truy\u1ec1n \u0111\u1ed9ng: tay g\u1ea1t, h\u1ed9p s\u1ed1, kh\u00ed n\u00e9n\/\u0111i\u1ec7n; pad ISO 5211 d\u1ec5 g\u1eafn actuator.<br \/>\n&#8211; L\u01b0u l\u01b0\u1ee3ng\/Cv:<br \/>\n  &#8211; Ball valve full-bore cho s\u1ee5t \u00e1p t\u1ed1i thi\u1ec3u.<br \/>\n  &#8211; Butterfly DN l\u1edbn t\u1ed1i \u01b0u chi ph\u00ed, nh\u01b0ng c\u00f3 \u0111\u0129a trong d\u00f2ng g\u00e2y s\u1ee5t \u00e1p cao h\u01a1n.<\/p>\n<h2 id=\"toc-8-chon-phu-kien-theo-ung-dung-dien-hinh\">Ch\u1ecdn ph\u1ee5 ki\u1ec7n theo \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/h2>\n<h3>N\u01b0\u1edbc s\u1ea1ch\/HVAC<\/h3>\n<p>&#8211; V\u1eadt li\u1ec7u: 304\/304L; 316L n\u1ebfu n\u01b0\u1edbc mu\u1ed1i\/h\u00f3a ch\u1ea5t x\u1eed l\u00fd.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n: PN16 ho\u1eb7c Class 150; co LR; van b\u01b0\u1edbm ho\u1eb7c bi; b\u00edch SO\/WN.<br \/>\n&#8211; Gio\u0103ng: EPDM; bul\u00f4ng m\u1ea1\/k\u1ebdm nh\u00fang n\u00f3ng ho\u1eb7c Inox A2\/A4 \u1edf m\u00f4i tr\u01b0\u1eddng \u1ea9m.<\/p>\n<h3>Th\u1ef1c ph\u1ea9m\u2013\u0110\u1ed3 u\u1ed1ng (F&#038;B) v\u00e0 D\u01b0\u1ee3c<\/h3>\n<p>&#8211; V\u1eadt li\u1ec7u: 316L cho b\u1ed3n l\u00ean men\/CIP; 304L cho n\u01b0\u1edbc\/utility s\u1ea1ch.<br \/>\n&#8211; K\u1ebft n\u1ed1i: Tri-Clamp, SMS, DIN 11851; b\u1ec1 m\u1eb7t Ra \u2264 0.8 \u03bcm ho\u1eb7c t\u1ed1t h\u01a1n (0.4 \u03bcm).<br \/>\n&#8211; Van: diaphragm\/seat valve, ball sanitary; gio\u0103ng EPDM\/PTFE \u0111\u1ea1t FDA.<br \/>\n&#8211; Quy tr\u00ecnh: h\u00e0n TIG v\u1edbi purge; pickling\u2013passivation; ki\u1ec3m ATP\/vi sinh khi c\u1ea7n.<\/p>\n<h3>H\u00f3a ch\u1ea5t\/Xi m\u1ea1\/N\u01b0\u1edbc bi\u1ec3n<\/h3>\n<p>&#8211; V\u1eadt li\u1ec7u: 316L; m\u00f4i tr\u01b0\u1eddng chloride \u0111\u1eadm \u0111\u1eb7c\/nhi\u1ec7t cao c\u00e2n nh\u1eafc Duplex 2205.<br \/>\n&#8211; K\u1ebft n\u1ed1i: h\u00e0n \u0111\u1ed1i \u0111\u1ea7u h\u1ea1n ch\u1ebf r\u00f2 r\u1ec9; b\u00edch WN v\u1edbi spiral wound graphite.<br \/>\n&#8211; Van: bi RPTFE\/PFA, globe \u0111\u1ec3 \u0111i\u1ec1u ti\u1ebft; ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch h\u00f3a ch\u1ea5t v\u1edbi elastomer.<\/p>\n<h3>D\u1ea7u kh\u00ed\/kh\u00ed n\u00e9n<\/h3>\n<p>&#8211; V\u1eadt li\u1ec7u: 316\/316L; van y\u00eau c\u1ea7u fire-safe theo API 607 (n\u1ebfu quy \u0111\u1ecbnh).<br \/>\n&#8211; Chu\u1ea9n: Class 300 khi \u00e1p cao; check wafer dual-plate ti\u1ebft ki\u1ec7m kh\u00f4ng gian.<br \/>\n&#8211; L\u1eafp \u0111\u1eb7t: qu\u1ea3n l\u00fd t\u0129nh \u0111i\u1ec7n, ch\u1ed1ng rung; h\u1ed7 tr\u1ee3 gi\u00e1 \u0111\u1ee1 \u0111\u00fang kho\u1ea3ng.<\/p>\n<h2 id=\"toc-9-kich-thuoc-ton-kho-pho-bien-tai-viet-nam\">K\u00edch th\u01b0\u1edbc t\u1ed3n kho ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam<\/h2>\n<p>&#8211; DN15\u2013DN200: \u0111\u1ea7y \u0111\u1ee7 co\/t\u00ea\/b\u1ea7u gi\u1ea3m h\u00e0n \u0111\u1ed1i \u0111\u1ea7u SCH10S\/SCH40S; ren BSP\/NPT.<br \/>\n&#8211; DN250\u2013DN300: c\u00f3 s\u1eb5n nh\u01b0ng s\u1ed1 l\u01b0\u1ee3ng h\u1ea1n ch\u1ebf; \u0111\u1eb7t tr\u01b0\u1edbc v\u1edbi b\u00edch PN16\/Class 150.<br \/>\n&#8211; Sanitary: DN25\u2013DN100 (1&#8243;\u20134&#8243;) \u0111\u1ee7 co, t\u00ea, clamp, van v\u1ec7 sinh.<br \/>\n&#8211; L\u01b0u \u00fd ren: d\u1ef1 \u00e1n ch\u00e2u \u00c2u\/Vi\u1ec7t th\u01b0\u1eddng d\u00f9ng BSP; h\u1ec7 M\u1ef9 d\u00f9ng NPT \u2014 tr\u00e1nh tr\u1ed9n ren.<\/p>\n<h2 id=\"toc-10-thiet-ke-va-tinh-toan-nhanh-ban-nen-biet\">Thi\u1ebft k\u1ebf v\u00e0 t\u00ednh to\u00e1n nhanh b\u1ea1n n\u00ean bi\u1ebft<\/h2>\n<p>&#8211; X\u1ebfp h\u1ea1ng \u00e1p:<br \/>\n  &#8211; Class 150 (Inox) ~ 19 bar \u1edf 38\u00b0C, gi\u1ea3m theo nhi\u1ec7t \u0111\u1ed9; PN16 = 16 bar \u1edf 20\u00b0C.<br \/>\n  &#8211; Kh\u00f4ng ho\u00e1n \u0111\u1ed5i PN\u2013Class n\u1ebfu kh\u00f4ng \u0111\u1ed1i chi\u1ebfu bi\u1ec3u \u0111\u1ed3 ti\u00eau chu\u1ea9n.<br \/>\n&#8211; T\u1ed5n th\u1ea5t c\u1ee5c b\u1ed9:<br \/>\n  &#8211; \u01afu ti\u00ean co LR; h\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3ng ph\u1ee5 ki\u1ec7n n\u1ed1i ti\u1ebfp; d\u00f9ng t\u00ea nghi\u00eang\/Y-tee khi c\u00f3 h\u1ea1t.<br \/>\n&#8211; B\u01a1m v\u00e0 NPSH:<br \/>\n  &#8211; S\u1eed d\u1ee5ng b\u1ea7u gi\u1ea3m l\u1ec7ch t\u00e2m FSU \u1edf h\u00fat b\u01a1m; h\u1ea1n ch\u1ebf co 90\u00b0 s\u00e1t mi\u1ec7ng h\u00fat.<br \/>\n&#8211; Gi\u00e3n n\u1edf nhi\u1ec7t:<br \/>\n  &#8211; V\u1edbi tuy\u1ebfn d\u00e0i\/nhi\u1ec7t ch\u00eanh l\u1edbn, b\u1ed1 tr\u00ed m\u1ed1i co gi\u00e3n (expansion loop) v\u00e0 gi\u00e1 \u0111\u1ee1 tr\u01b0\u1ee3t.<\/p>\n<h2 id=\"toc-11-quy-trinh-lap-dat-han-bich-va-kiem-dinh\">Quy tr\u00ecnh l\u1eafp \u0111\u1eb7t: h\u00e0n, b\u00edch v\u00e0 ki\u1ec3m \u0111\u1ecbnh<\/h2>\n<p>&#8211; H\u00e0n Inox:<br \/>\n  &#8211; Ph\u01b0\u01a1ng ph\u00e1p: TIG\/GTAW; ch\u1ecdn que ER308L (cho 304\/304L), ER316L (cho 316\/316L).<br \/>\n  &#8211; Purge Argon m\u1eb7t trong \u0111\u1ec3 tr\u00e1nh \u201csugaring\u201d; gi\u1eef O2 < 100 ppm v\u1edbi sanitary.\n  - Sau h\u00e0n: pickling\u2013passivation (ASTM A967) kh\u00f4i ph\u1ee5c l\u1edbp th\u1ee5 \u0111\u1ed9ng; r\u1eeda s\u1ea1ch trung h\u00f2a.\n- L\u1eafp b\u00edch:\n  - Ki\u1ec3m m\u1eb7t b\u00edch\u2013gio\u0103ng\u2013bul\u00f4ng; si\u1ebft ch\u00e9o 4\u20138 \u0111i\u1ec3m; t\u0103ng m\u00f4-men theo 3\u20134 b\u01b0\u1edbc.\n  - D\u00f9ng gio\u0103ng \u0111\u00fang v\u1eadt li\u1ec7u; tr\u00e1nh t\u00e1i s\u1eed d\u1ee5ng gio\u0103ng n\u00e9n d\u1ebbo.\n- Ki\u1ec3m \u0111\u1ecbnh:\n  - Th\u1ee7y l\u1ef1c: 1.5\u00d7 \u00e1p thi\u1ebft k\u1ebf; kh\u00ed n\u00e9n: 1.1\u00d7 v\u1edbi bi\u1ec7n ph\u00e1p an to\u00e0n nghi\u00eam ng\u1eb7t.\n  - NDT m\u1ed1i h\u00e0n: th\u1ea9m th\u1ea5u PT cho b\u1ec1 m\u1eb7t; soi n\u1ed9i soi cho sanitary n\u1ebfu y\u00eau c\u1ea7u.\n  - L\u00e0m s\u1ea1ch\u2013x\u1ea3 c\u1eb7n tr\u01b0\u1edbc b\u00e0n giao; d\u00e1n nh\u00e3n l\u01b0u media\/\u00e1p\/chi\u1ec1u d\u00f2ng.\n\n\n\n<h2 id=\"toc-12-bao-tri-va-tuoi-tho\">B\u1ea3o tr\u00ec v\u00e0 tu\u1ed5i th\u1ecd<\/h2>\n<p>&#8211; Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 r\u00f2 r\u1ec9 t\u1ea1i b\u00edch\/ren\/gh\u1ebf van; si\u1ebft l\u1ea1i sau chu k\u1ef3 nhi\u1ec7t \u0111\u1ea7u ti\u00ean.<br \/>\n&#8211; Quan s\u00e1t \u0103n m\u00f2n khe k\u1ebd t\u1ea1i b\u00edch, k\u1eb9p, v\u00e0 d\u01b0\u1edbi l\u1edbp c\u00e1ch nhi\u1ec7t (CUI).<br \/>\n&#8211; V\u1ec7 sinh: tr\u00e1nh chloride cao trong dung d\u1ecbch v\u1ec7 sinh; r\u1eeda s\u1ea1ch v\u00e0 s\u1ea5y kh\u00f4 sau CIP.<br \/>\n&#8211; Thay gio\u0103ng v\u00e0 bao k\u00edn tr\u1ee5c van theo gi\u1edd v\u1eadn h\u00e0nh; b\u00f4i tr\u01a1n theo h\u01b0\u1edbng d\u1eabn.<\/p>\n<h2 id=\"toc-13-chi-phi-va-nguon-cung-yeu-to-anh-huong-gia\">Chi ph\u00ed v\u00e0 ngu\u1ed3n cung: y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng gi\u00e1<\/h2>\n<p>&#8211; C\u1ea5p v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y (SCH): 316L v\u00e0 SCH40S\/SCH80S cao h\u01a1n 304L\/SCH10S.<br \/>\n&#8211; Chu\u1ea9n v\u00e0 b\u1ec1 m\u1eb7t: sanitary \u0111\u00e1nh b\u00f3ng, ch\u1ee9ng ch\u1ec9 3.1 (EN 10204) gi\u00e1 cao h\u01a1n.<br \/>\n&#8211; Xu\u1ea5t x\u1ee9 v\u00e0 ch\u1ee9ng nh\u1eadn: EU\/KR\/JP th\u01b0\u1eddng cao h\u01a1n IN\/CN; d\u1ef1 \u00e1n GMP\/FSMA c\u1ea7n truy xu\u1ea5t nhi\u1ec7t (heat number) v\u00e0 MTC r\u00f5 r\u00e0ng.<br \/>\n&#8211; K\u00edch c\u1ee1 l\u1edbn (DN\u2265250), WN Class 300, van \u0111i\u1ec1u khi\u1ec3n\/actuator: th\u1eddi gian \u0111\u1eb7t h\u00e0ng d\u00e0i h\u01a1n.<\/p>\n<h2 id=\"toc-14-sai-lam-thuong-gap-va-cach-tranh\">Sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/h2>\n<p>&#8211; Tr\u1ed9n l\u1eabn ren BSP\u2013NPT g\u00e2y r\u00f2 r\u1ec9: ti\u00eau chu\u1ea9n h\u00f3a ren ngay t\u1eeb thi\u1ebft k\u1ebf.<br \/>\n&#8211; L\u1eafp b\u1ea7u gi\u1ea3m \u0111\u1ed3ng t\u00e2m \u1edf h\u00fat b\u01a1m ngang: d\u1ec5 b\u1eaby kh\u00ed, rung v\u00e0 cavitation.<br \/>\n&#8211; D\u00f9ng 304 \u1edf ven bi\u1ec3n\/CIP n\u00f3ng: nhanh \u201ctea staining\u201d v\u00e0 pitting \u2014 n\u00ean ch\u1ecdn 316L.<br \/>\n&#8211; Kh\u00f4ng purge khi h\u00e0n: m\u1eb7t trong b\u1ecb oxy h\u00f3a, gi\u1ea3m v\u1ec7 sinh v\u00e0 tu\u1ed5i th\u1ecd.<br \/>\n&#8211; Nh\u1ea7m PN16 v\u1edbi Class 150: th\u00f4ng s\u1ed1 kh\u00f4ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng tuy\u1ec7t \u0111\u1ed1i; \u0111\u1ed1i chi\u1ebfu \u00e1p\u2013nhi\u1ec7t.<\/p>\n<h2 id=\"toc-15-checklist-chon-phu-kien-nhanh\">Checklist ch\u1ecdn ph\u1ee5 ki\u1ec7n nhanh<\/h2>\n<p>&#8211; M\u00f4i ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c v\u00e0 \u0111\u1ec9nh.<br \/>\n&#8211; V\u1eadt li\u1ec7u: 304L hay 316L (ho\u1eb7c Duplex) theo chloride\/h\u00f3a ch\u1ea5t.<br \/>\n&#8211; Chu\u1ea9n k\u1ebft n\u1ed1i: h\u00e0n\/ren\/b\u00edch\/clamp; DN\/NPS, PN\/Class; ren BSP hay NPT.<br \/>\n&#8211; B\u1ec1 m\u1eb7t v\u1ec7 sinh v\u00e0 y\u00eau c\u1ea7u GMP\/HACCP (n\u1ebfu c\u00f3).<br \/>\n&#8211; Gasket v\u00e0 seat t\u01b0\u01a1ng th\u00edch h\u00f3a ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9.<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u 3.1, MTC, truy xu\u1ea5t heat number.<br \/>\n&#8211; \u0110i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t: kh\u00f4ng gian, gi\u00e3n n\u1edf, rung, b\u1ea3o tr\u00ec.<\/p>\n<h2 id=\"toc-16-khi-nao-can-giai-phap-dac-biet\">Khi n\u00e0o c\u1ea7n gi\u1ea3i ph\u00e1p \u0111\u1eb7c bi\u1ec7t<\/h2>\n<p>&#8211; Nhi\u1ec7t \u0111\u1ed9 cao > 400\u00b0C: c\u00e2n nh\u1eafc 321\/310S, gio\u0103ng graphite, b\u00edch WN.<br \/>\n&#8211; Cryogenic: van, b\u00edch, v\u1eadt li\u1ec7u ki\u1ec3m ch\u1ee9ng BS 6364; k\u00e9o d\u00e0i tr\u1ee5c van.<br \/>\n&#8211; \u0102n m\u00f2n chloride r\u1ea5t cao: Duplex\/Super Duplex, ph\u1ee7 PTFE\/ETFE cho van.<br \/>\n&#8211; \u0110i\u1ec1u ti\u1ebft ch\u00ednh x\u00e1c: globe\/diaphragm valve, \u0111\u1ecbnh c\u1ee1 theo Cv v\u00e0 d\u1ea3i \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<h2 id=\"toc-17-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Ch\u1ecdn \u0111\u00fang co, t\u00ea, b\u1ea7u gi\u1ea3m, van v\u00e0 m\u1eb7t b\u00edch Inox b\u1eaft \u0111\u1ea7u t\u1eeb hi\u1ec3u r\u00f5 m\u00f4i ch\u1ea5t\u2013\u00e1p\u2013nhi\u1ec7t, ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i, v\u00e0 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p. V\u1edbi n\u01b0\u1edbc\/HVAC, 304L, PN16\/Class 150, co LR v\u00e0 van b\u01b0\u1edbm\/bi l\u00e0 t\u1ed1i \u01b0u chi ph\u00ed. V\u1edbi th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c, \u01b0u ti\u00ean 316L, k\u1ebft n\u1ed1i sanitary, b\u1ec1 m\u1eb7t Ra th\u1ea5p, h\u00e0n purge v\u00e0 passivation chu\u1ea9n. V\u1edbi h\u00f3a ch\u1ea5t\/bi\u1ec3n, d\u00f9ng 316L ho\u1eb7c Duplex, b\u00edch WN v\u00e0 gio\u0103ng spiral wound\/PTFE \u0111\u00fang m\u00f4i ch\u1ea5t. Thi c\u00f4ng chu\u1ea9n (TIG + purge, si\u1ebft b\u00edch theo tr\u00ecnh t\u1ef1, th\u1eed k\u00edn \u0111\u00fang chu\u1ea9n) s\u1ebd quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 k\u00edn v\u00e0 tu\u1ed5i th\u1ecd h\u1ec7 th\u1ed1ng. \u00c1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc tr\u00ean, b\u1ea1n s\u1ebd s\u1edf h\u1eefu \u0111\u01b0\u1eddng \u1ed1ng Inox b\u1ec1n, an to\u00e0n, v\u1ec7 sinh v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed trong su\u1ed1t v\u00f2ng \u0111\u1eddi d\u1ef1 \u00e1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn co, t\u00ea, b\u1ea7u gi\u1ea3m, van, m\u1eb7t b\u00edch Inox: ti\u00eau chu\u1ea9n, v\u1eadt li\u1ec7u 304\/316, ki\u1ec3u n\u1ed1i, \u00e1p su\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 l\u01b0u \u00fd l\u1eafp \u0111\u1eb7t cho h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"author":7,"featured_media":1021,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1239"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1239\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1021"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}