{"id":2136,"date":"2026-06-13T12:34:07","date_gmt":"2026-06-13T05:34:07","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/"},"modified":"2026-06-13T12:34:07","modified_gmt":"2026-06-13T05:34:07","slug":"phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/","title":{"rendered":"Ph\u1ee5 ki\u1ec7n \u1ed1ng Inox c\u00f4ng nghi\u1ec7p: Co, T\u00ea, B\u1ea7u gi\u1ea3m, Van, M\u1eb7t b\u00edch"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2136&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0110\u00e1nh gi\u00e1&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Ph\u1ee5 ki\u1ec7n \u1ed1ng Inox c\u00f4ng nghi\u1ec7p: Co, T\u00ea, B\u1ea7u gi\u1ea3m, Van, M\u1eb7t b\u00edch&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div 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class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#Noi_dung_chinh\" >N\u1ed9i dung ch\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#1_Tieu_chuan_cot_loi_va_thuat_ngu_can_nam\" >1) Ti\u00eau chu\u1ea9n c\u1ed1t l\u00f5i v\u00e0 thu\u1eadt ng\u1eef c\u1ea7n n\u1eafm<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#2_Vat_lieu_Inox_chon_dung_moi_ben\" >2) V\u1eadt li\u1ec7u Inox: ch\u1ecdn \u0111\u00fang m\u1edbi b\u1ec1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#3_Phan_loai_va_dac_tinh_ky_thuat_tung_nhom\" >3) Ph\u00e2n lo\u1ea1i v\u00e0 \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt t\u1eebng nh\u00f3m<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#31_Co_Elbow_Inox\" >3.1 Co (Elbow) Inox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#32_Te_Tee_Inox\" >3.2 T\u00ea (Tee) Inox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#33_Bau_giam_Reducer_Inox\" >3.3 B\u1ea7u gi\u1ea3m (Reducer) Inox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#34_Van_Inox_cong_nghiep\" >3.4 Van Inox c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#35_Mat_bich_Flange_Inox\" >3.5 M\u1eb7t b\u00edch (Flange) Inox<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#4_Kieu_ket_noi_chon_the_nao_cho_dung\" >4) Ki\u1ec3u k\u1ebft n\u1ed1i: ch\u1ecdn th\u1ebf n\u00e0o cho \u0111\u00fang?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#5_Cach_chon_theo_luu_chat_%E2%80%93_ap_luc_%E2%80%93_nhiet_do\" >5) C\u00e1ch ch\u1ecdn theo l\u01b0u ch\u1ea5t \u2013 \u00e1p l\u1ef1c \u2013 nhi\u1ec7t \u0111\u1ed9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#6_Ton_that_ap_va_thuy_luc_dieu_can_luu_y_khi_bo_tri\" >6) T\u1ed5n th\u1ea5t \u00e1p v\u00e0 th\u1ee7y l\u1ef1c: \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd khi b\u1ed1 tr\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#7_Lap_dat_han_va_kiem_tra_chat_luong\" >7) L\u1eafp \u0111\u1eb7t, h\u00e0n v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#8_Hong_hoc_thuong_gap_va_cach_phong_ngua\" >8) H\u1ecfng h\u00f3c th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#9_De_xuat_cau_hinh_mau_tham_khao\" >9) \u0110\u1ec1 xu\u1ea5t c\u1ea5u h\u00ecnh m\u1eabu (tham kh\u1ea3o)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#10_Mua_hang_va_chi_phi_tai_Viet_Nam\" >10) Mua h\u00e0ng v\u00e0 chi ph\u00ed t\u1ea1i Vi\u1ec7t Nam<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#Nguon_tham_khao\" >Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/phu-kien-ong-inox-cong-nghiep-co-te-bau-giam-van-mat-bich-2\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Noi_dung_chinh\"><\/span>N\u1ed9i dung ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"#toc-0-1-tieu-chuan-cot-loi-va-thuat-ngu-can-nam\">1) Ti\u00eau chu\u1ea9n c\u1ed1t l\u00f5i v\u00e0 thu\u1eadt ng\u1eef c\u1ea7n n\u1eafm<\/a><\/li>\n<li><a href=\"#toc-1-2-vat-lieu-inox-chon-dung-moi-ben\">2) V\u1eadt li\u1ec7u Inox: ch\u1ecdn \u0111\u00fang m\u1edbi b\u1ec1n<\/a><\/li>\n<li><a href=\"#toc-2-3-phan-loai-va-dac-tinh-ky-thuat-tung-nhom\">3) Ph\u00e2n lo\u1ea1i v\u00e0 \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt t\u1eebng nh\u00f3m<\/a><\/li>\n<li><a href=\"#toc-3-4-kieu-ket-noi-chon-the-nao-cho-dung\">4) Ki\u1ec3u k\u1ebft n\u1ed1i: ch\u1ecdn th\u1ebf n\u00e0o cho \u0111\u00fang?<\/a><\/li>\n<li><a href=\"#toc-4-5-cach-chon-theo-luu-chat-ap-luc-nhiet-do\">5) C\u00e1ch ch\u1ecdn theo l\u01b0u ch\u1ea5t \u2013 \u00e1p l\u1ef1c \u2013 nhi\u1ec7t \u0111\u1ed9<\/a><\/li>\n<li><a href=\"#toc-5-6-ton-that-ap-va-thuy-luc-dieu-can-luu-y-khi-bo-tr\">6) T\u1ed5n th\u1ea5t \u00e1p v\u00e0 th\u1ee7y l\u1ef1c: \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd khi b\u1ed1 tr\u00ed<\/a><\/li>\n<li><a href=\"#toc-6-7-lap-dat-han-va-kiem-tra-chat-luong\">7) L\u1eafp \u0111\u1eb7t, h\u00e0n v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li>\n<li><a href=\"#toc-7-8-hong-hoc-thuong-gap-va-cach-phong-ngua\">8) H\u1ecfng h\u00f3c th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba<\/a><\/li>\n<li><a href=\"#toc-8-9-de-xuat-cau-hinh-mau-tham-khao\">9) \u0110\u1ec1 xu\u1ea5t c\u1ea5u h\u00ecnh m\u1eabu (tham kh\u1ea3o)<\/a><\/li>\n<li><a href=\"#toc-9-10-mua-hang-va-chi-phi-tai-viet-nam\">10) Mua h\u00e0ng v\u00e0 chi ph\u00ed t\u1ea1i Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-10-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng Inox c\u00f4ng nghi\u1ec7p (co, t\u00ea, b\u1ea7u gi\u1ea3m, van, m\u1eb7t b\u00edch) l\u00e0 m\u1eaft x\u00edch quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 k\u00edn, an to\u00e0n \u00e1p l\u1ef1c v\u00e0 \u0111\u1ed9 b\u1ec1n h\u1ec7 th\u1ed1ng. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o ti\u00eau chu\u1ea9n, v\u1eadt li\u1ec7u, c\u00e1ch ch\u1ecdn theo \u00e1p l\u1ef1c\u2013nhi\u1ec7t \u0111\u1ed9\u2013l\u01b0u ch\u1ea5t v\u00e0 l\u01b0u \u00fd l\u1eafp \u0111\u1eb7t, nh\u1eb1m gi\u00fap k\u1ef9 s\u01b0 v\u00e0 ch\u1ee7 x\u01b0\u1edfng t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi. Ch\u1ee7 \u0111\u1ec1 n\u00e0y l\u00e0 m\u1ed9t m\u1ea3nh quan tr\u1ecdng trong b\u1ee9c tranh ph\u1ee5 ki\u1ec7n Inox cho x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t, nh\u01b0ng t\u1eadp trung \u1edf \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/p>\n<h2 id=\"toc-0-1-tieu-chuan-cot-loi-va-thuat-ngu-can-nam\"><span class=\"ez-toc-section\" id=\"1_Tieu_chuan_cot_loi_va_thuat_ngu_can_nam\"><\/span>1) Ti\u00eau chu\u1ea9n c\u1ed1t l\u00f5i v\u00e0 thu\u1eadt ng\u1eef c\u1ea7n n\u1eafm<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; V\u1eadt li\u1ec7u ph\u1ee5 ki\u1ec7n h\u00e0n \u0111\u1ed1i \u0111\u1ea7u (butt-weld fittings): ASTM A403 (304\/304L, 316\/316L), theo k\u00edch th\u01b0\u1edbc ASME B16.9.<br \/>\n&#8211; M\u1eb7t b\u00edch: ASME B16.5 (Class 150\/300\/600&#8230;), DIN\/EN (PN10\/16\/25\/40), JIS (5K\/10K\/16K) \u2013 t\u1ea1i Vi\u1ec7t Nam ph\u1ed5 bi\u1ebfn Class 150, PN16 v\u00e0 JIS 10K.<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n ren\/sock: ASME B16.11 (socket-weld, threaded); ph\u1ee5 ki\u1ec7n ren Inox theo ISO 4144; ren NPT (ASME B1.20.1) v\u00e0 BSPT\/BSPP (ISO 7-1).<br \/>\n&#8211; \u1ed0ng n\u1ec1n: ASTM A312 (\u0111\u00fac li\u1ec1n, h\u00e0n), \u0111\u1ed9 d\u00e0y theo Schedule (SCH10S, 40S, 80S&#8230;).<br \/>\n&#8211; Th\u1eed k\u00edn van: API 598 ho\u1eb7c ISO 5208.<br \/>\n&#8211; Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c: ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u EN 10204 3.1; ki\u1ec3m tra PMI (Positive Material Identification) khi c\u1ea7n.<br \/>\n&#8211; \u00c1p su\u1ea5t danh ngh\u0129a: Class 150 \u2248 19,6 bar \u1edf 38\u00b0C cho F304\/F316 (gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng theo b\u1ea3ng ASME B16.5). PN16 = 16 bar t\u1ea1i 20\u00b0C.<\/p>\n<h2 id=\"toc-1-2-vat-lieu-inox-chon-dung-moi-ben\"><span class=\"ez-toc-section\" id=\"2_Vat_lieu_Inox_chon_dung_moi_ben\"><\/span>2) V\u1eadt li\u1ec7u Inox: ch\u1ecdn \u0111\u00fang m\u1edbi b\u1ec1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 201: d\u00f9ng cho n\u01b0\u1edbc s\u1ea1ch\/kh\u00f4ng kh\u1eafc nghi\u1ec7t, gi\u00e1 t\u1ed1t nh\u01b0ng k\u00e9m ch\u1ecbu \u0103n m\u00f2n clorua v\u00e0 h\u00f3a ch\u1ea5t.<br \/>\n&#8211; 304\/304L: th\u00f4ng d\u1ee5ng cho n\u01b0\u1edbc, kh\u00ed n\u00e9n, th\u1ef1c ph\u1ea9m nh\u1eb9; 304L \u01b0u ti\u00ean h\u00e0n (\u00edt nh\u1ea1y h\u00f3a).<br \/>\n&#8211; 316\/316L: t\u0103ng ch\u1ecbu pitting\/clorua, ph\u00f9 h\u1ee3p F&#038;B, h\u00f3a ch\u1ea5t nh\u1eb9, m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n; 316L \u01b0u ti\u00ean h\u00e0n, CIP\/SIP.<br \/>\n&#8211; Duplex 2205: ch\u1ecbu clorua cao, nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh, \u00e1p l\u1ef1c cao; c\u00e2n nh\u1eafc khi n\u01b0\u1edbc bi\u1ec3n, NaCl \u0111\u1eadm \u0111\u1eb7c.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: pickled\/passivated cho c\u00f4ng nghi\u1ec7p; v\u1edbi F&#038;B \u0111\u00f2i h\u1ecfi Ra \u2264 0,8 \u03bcm \u1edf m\u1eb7t trong.<\/p>\n<p>G\u1ee3i \u00fd nhanh:<br \/>\n&#8211; N\u01b0\u1edbc sinh ho\u1ea1t\/kh\u00ed n\u00e9n kh\u00f4: 304\/304L.<br \/>\n&#8211; H\u01a1i b\u00e3o h\u00f2a\/condensate: 304L\/316L; ch\u1ecdn van v\u00e0 b\u00edch Class 300 n\u1ebfu \u00e1p cao.<br \/>\n&#8211; N\u01b0\u1edbc mu\u1ed1i\/h\u00f3a ch\u1ea5t clorua: 316L ho\u1eb7c duplex.<br \/>\n&#8211; Th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng: 316L, b\u1ec1 m\u1eb7t v\u1ec7 sinh, van bi\/van b\u01b0\u1edbm sanitary n\u1ebfu d\u00f9ng ki\u1ec3u clamp.<\/p>\n<h2 id=\"toc-2-3-phan-loai-va-dac-tinh-ky-thuat-tung-nhom\"><span class=\"ez-toc-section\" id=\"3_Phan_loai_va_dac_tinh_ky_thuat_tung_nhom\"><\/span>3) Ph\u00e2n lo\u1ea1i v\u00e0 \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt t\u1eebng nh\u00f3m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"31_Co_Elbow_Inox\"><\/span>3.1 Co (Elbow) Inox<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u00f3c v\u00e0 b\u00e1n k\u00ednh: 90\u00b0, 45\u00b0, 180\u00b0; b\u00e1n k\u00ednh d\u00e0i LR = 1,5D; b\u00e1n k\u00ednh ng\u1eafn SR = 1,0D (ASME B16.9).<br \/>\n&#8211; Bi\u1ebfn th\u1ec3: co thu (reducing elbow), co h\u00e0n \u0111\u1ed1i \u0111\u1ea7u (butt-weld), co h\u00e0n l\u1ed3ng (socket-weld), co ren.<br \/>\n&#8211; \u1ee8ng d\u1ee5ng: LR cho t\u1ed5n th\u1ea5t th\u1ea5p; SR khi kh\u00f4ng gian ch\u1eadt.<br \/>\n&#8211; \u1ea2nh h\u01b0\u1edfng th\u1ee7y l\u1ef1c (K \u0111i\u1ec3n h\u00ecnh, Crane TP-410): 90\u00b0 LR K \u2248 0,9; 90\u00b0 SR K \u2248 1,5.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"32_Te_Tee_Inox\"><\/span>3.2 T\u00ea (Tee) Inox<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; T\u00ea \u0111\u1ec1u (equal), t\u00ea thu (reducing).<br \/>\n&#8211; Ki\u1ec3u k\u1ebft n\u1ed1i: butt-weld (\u1ed5n \u0111\u1ecbnh, \u00e1p cao), socket-weld\/ren (DN nh\u1ecf, l\u1eafp nhanh).<br \/>\n&#8211; D\u00f9ng \u0111\u1ec3 chia nh\u00e1nh, c\u00e2n nh\u1eafc gia c\u1ed1 n\u1ebfu nh\u00e1nh ch\u1ecbu t\u1ea3i rung.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"33_Bau_giam_Reducer_Inox\"><\/span>3.3 B\u1ea7u gi\u1ea3m (Reducer) Inox<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u0110\u1ed3ng t\u00e2m (concentric): cho \u0111\u01b0\u1eddng n\u1eb1m ngang\/\u0111\u1ee9ng, l\u01b0u l\u01b0\u1ee3ng th\u1eb3ng.<br \/>\n&#8211; L\u1ec7ch t\u00e2m (eccentric): l\u1eafp n\u1eb1m ngang \u0111\u1ec3 tr\u00e1nh t\u00fai kh\u00ed (tr\u00ean) ho\u1eb7c t\u00fai c\u1eb7n (d\u01b0\u1edbi) t\u00f9y l\u01b0u ch\u1ea5t.<br \/>\n&#8211; Ch\u1ecdn t\u1ec9 l\u1ec7 gi\u1ea3m 1 b\u01b0\u1edbc (v\u00ed d\u1ee5 DN100\u2192DN80) \u0111\u1ec3 gi\u1ea3m s\u1ed1c th\u1ee7y l\u1ef1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"34_Van_Inox_cong_nghiep\"><\/span>3.4 Van Inox c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Van bi (ball): \u0111\u00f3ng\/m\u1edf nhanh, r\u00f2 r\u1ec9 th\u1ea5p; t\u1ed1t cho kh\u00ed, ch\u1ea5t l\u1ecfng s\u1ea1ch; kh\u00f4ng \u0111i\u1ec1u ti\u1ebft ch\u00ednh x\u00e1c.<br \/>\n&#8211; Van c\u1ed5ng (gate): ma s\u00e1t th\u1ea5p khi m\u1edf h\u1ebft; d\u00f9ng on\/off; kh\u00f4ng th\u00edch h\u1ee3p \u0111i\u1ec1u ti\u1ebft.<br \/>\n&#8211; Van c\u1ea7u (globe): \u0111i\u1ec1u ti\u1ebft t\u1ed1t; t\u1ed5n th\u1ea5t cao (K \u2248 10).<br \/>\n&#8211; Van m\u1ed9t chi\u1ec1u (check): ng\u0103n ch\u1ea3y ng\u01b0\u1ee3c (l\u00e1 l\u1eadt, l\u00f2 xo); ch\u1ecdn cracking pressure ph\u00f9 h\u1ee3p.<br \/>\n&#8211; Van b\u01b0\u1edbm (butterfly): nh\u1eb9, DN l\u1edbn, gi\u00e1 h\u1ee3p l\u00fd; c\u1ea7n l\u01b0u \u00fd cavitation v\u00e0 v\u1eadt li\u1ec7u seat.<br \/>\n&#8211; N\u1ed1i \u1ed1ng: ren, SW, BW, b\u00edch. Van b\u00edch d\u1ec5 b\u1ea3o tr\u00ec DN\u2265DN50; van ren\/SW cho DN nh\u1ecf.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n th\u1eed: API 598\/ISO 5208; xem ch\u1ee9ng ch\u1ec9 \u0111i k\u00e8m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"35_Mat_bich_Flange_Inox\"><\/span>3.5 M\u1eb7t b\u00edch (Flange) Inox<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; D\u1ea1ng: Weld Neck (WNRF) \u2013 ch\u1ecbu nhi\u1ec7t\/\u00e1p cao, c\u0103n ch\u1ec9nh t\u1ed1t; Slip-On (SO) \u2013 l\u1eafp nhanh; Threaded \u2013 kh\u00f4ng h\u00e0n; Socket-Weld \u2013 DN nh\u1ecf \u00e1p cao; Blind \u2013 b\u1ecbt; Lap Joint \u2013 d\u00f9ng stub end.<br \/>\n&#8211; Ki\u1ec3u m\u1eb7t: Raised Face (RF) ph\u1ed5 bi\u1ebfn; Flat Face (FF) cho b\u00edch gang; Ring-Type Joint (RTJ) cho \u00e1p si\u00eau cao.<br \/>\n&#8211; \u00c1p l\u1ef1c: ASME Class 150\/300\/600&#8230;; DIN PN10\/16\/25\/40; JIS 5K\/10K\/16K.<br \/>\n&#8211; Gio\u0103ng: spiral wound (316L+graphite\/PTFE) \u0111a d\u1ee5ng; PTFE cho h\u00f3a ch\u1ea5t; CNAF cho d\u1ecbch v\u1ee5 n\u01b0\u1edbc\/kh\u00ed; RTJ cho r\u00e3nh RTJ.<br \/>\n&#8211; Bulong\/\u0111ai \u1ed1c: v\u1eadt li\u1ec7u A2-70 (304), A4-70 (316); d\u00f9ng ch\u1ed1ng k\u1eb9t (anti-seize) \u0111\u1ec3 h\u1ea1n ch\u1ebf galling.<\/p>\n<h2 id=\"toc-3-4-kieu-ket-noi-chon-the-nao-cho-dung\"><span class=\"ez-toc-section\" id=\"4_Kieu_ket_noi_chon_the_nao_cho_dung\"><\/span>4) Ki\u1ec3u k\u1ebft n\u1ed1i: ch\u1ecdn th\u1ebf n\u00e0o cho \u0111\u00fang?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00e0n \u0111\u1ed1i \u0111\u1ea7u (butt-weld, BW): b\u1ec1n, s\u1ea1ch, \u00e1p cao\/\u0111\u01b0\u1eddng k\u00ednh l\u1edbn; y\u00eau c\u1ea7u th\u1ee3 h\u00e0n TIG\/GTAW, back-purge argon, x\u1eed l\u00fd passivation sau h\u00e0n.<br \/>\n&#8211; H\u00e0n l\u1ed3ng (socket-weld, SW): DN nh\u1ecf, \u00e1p cao; c\u00f3 khe h\u1edf t\u1ea1o k\u1ebd \u0103n m\u00f2n n\u1ebfu m\u00f4i tr\u01b0\u1eddng b\u1ea9n\/F&#038;B.<br \/>\n&#8211; Ren (threaded): l\u1eafp nhanh DN \u2264 DN50; ch\u1ecdn \u0111\u00fang h\u1ec7 ren (NPT vs BSP); d\u00f9ng b\u0103ng PTFE\/keo ren ph\u00f9 h\u1ee3p l\u01b0u ch\u1ea5t.<br \/>\n&#8211; B\u00edch (flanged): d\u1ec5 th\u00e1o l\u1eafp, ki\u1ec3m tra, thay van; t\u1ed1i \u01b0u cho thi\u1ebft b\u1ecb\/h\u1ec7 th\u1ed1ng b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3.<\/p>\n<h2 id=\"toc-4-5-cach-chon-theo-luu-chat-ap-luc-nhiet-do\"><span class=\"ez-toc-section\" id=\"5_Cach_chon_theo_luu_chat_%E2%80%93_ap_luc_%E2%80%93_nhiet_do\"><\/span>5) C\u00e1ch ch\u1ecdn theo l\u01b0u ch\u1ea5t \u2013 \u00e1p l\u1ef1c \u2013 nhi\u1ec7t \u0111\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Quy tr\u00ecnh 6 b\u01b0\u1edbc:<br \/>\n1) X\u00e1c \u0111\u1ecbnh l\u01b0u ch\u1ea5t: n\u01b0\u1edbc, h\u01a1i, h\u00f3a ch\u1ea5t, kh\u00ed n\u00e9n, F&B; pH, clorua, \u0111\u1ed9 s\u1ea1ch.<br \/>\n2) Nhi\u1ec7t \u0111\u1ed9\/\u00e1p l\u1ef1c l\u00e0m vi\u1ec7c v\u00e0 c\u1ef1c \u0111\u1ea1i; so v\u1edbi bi\u1ec3u \u0111\u1ed3 ASME B16.5 v\u00e0 th\u00f4ng s\u1ed1 van.<br \/>\n3) V\u1eadt li\u1ec7u: \u01b0u ti\u00ean 304L\/316L; n\u00e2ng c\u1ea5p duplex khi clorua cao\/r\u1ee7i ro SCC.<br \/>\n4) Ki\u1ec3u k\u1ebft n\u1ed1i: BW cho c\u1ed1 \u0111\u1ecbnh\/\u00e1p cao; b\u00edch khi c\u1ea7n th\u00e1o l\u1eafp; ren\/SW cho DN nh\u1ecf.<br \/>\n5) Schedule\/PN\/Class: v\u00ed d\u1ee5 \u0111\u01b0\u1eddng h\u01a1i 10\u201314 bar, 180\u00b0C c\u00e2n nh\u1eafc \u1ed1ng SCH40S, b\u00edch\/van Class 300.<br \/>\n6) Ch\u1ee9ng ch\u1ec9: EN 10204 3.1, PMI khu v\u1ef1c h\u00e0n, test van API 598, b\u00edch theo ASME\/DIN\/JIS \u0111\u00fang h\u1ed3 s\u01a1 th\u1ea7u.<\/p>\n<p>G\u1ee3i \u00fd nhanh theo \u1ee9ng d\u1ee5ng:<br \/>\n&#8211; N\u01b0\u1edbc c\u1ea5p\/t\u00e1i s\u1eed d\u1ee5ng: 304L; co LR, t\u00ea \u0111\u1ec1u; b\u1ea7u gi\u1ea3m l\u1ec7ch t\u00e2m \u0111\u1ec3 tr\u00e1nh b\u1ecdt kh\u00ed; b\u00edch PN16\/Class 150; van b\u01b0\u1edbm\/van bi; gio\u0103ng EPDM\/PTFE.<br \/>\n&#8211; H\u01a1i b\u00e3o h\u00f2a\/condensate: 304L\/316L; \u01b0u ti\u00ean BW; b\u00edch Class 300; van c\u1ed5ng\/van c\u1ea7u\/van bi ch\u1ecbu nhi\u1ec7t; gio\u0103ng graphite.<br \/>\n&#8211; F&#038;B\/CIP: 316L; b\u1ec1 m\u1eb7t passivated; van bi\/van b\u01b0\u1edbm th\u00e2n Inox seat PTFE; n\u1ebfu sanitary d\u00f9ng clamp; gio\u0103ng PTFE\/FKM t\u00f9y h\u00f3a ch\u1ea5t.<br \/>\n&#8211; H\u00f3a ch\u1ea5t nh\u1eb9 (NaOH, H3PO4): 316L; k\u1ebft n\u1ed1i b\u00edch\/ BW; ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch gio\u0103ng v\u00e0 seat.<br \/>\n&#8211; Kh\u00ed n\u00e9n kh\u00f4: 304L; ren\/BW; van bi; b\u00edch Class 150; ch\u00fa \u00fd d\u1ea7u b\u00f4i tr\u01a1n t\u01b0\u01a1ng th\u00edch.<\/p>\n<h2 id=\"toc-5-6-ton-that-ap-va-thuy-luc-dieu-can-luu-y-khi-bo-tr\"><span class=\"ez-toc-section\" id=\"6_Ton_that_ap_va_thuy_luc_dieu_can_luu_y_khi_bo_tri\"><\/span>6) T\u1ed5n th\u1ea5t \u00e1p v\u00e0 th\u1ee7y l\u1ef1c: \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd khi b\u1ed1 tr\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u1ec7 s\u1ed1 t\u1ed5n th\u1ea5t c\u1ee5c b\u1ed9 K (tham kh\u1ea3o Crane TP-410):<br \/>\n  + Co 90\u00b0 LR K \u2248 0,9; SR K \u2248 1,5.<br \/>\n  + Van bi m\u1edf ho\u00e0n to\u00e0n K \u2248 0,05\u20130,2; van c\u1ed5ng m\u1edf ho\u00e0n to\u00e0n K \u2248 0,15; van c\u1ea7u K \u2248 10; van b\u01b0\u1edbm m\u1edf 90\u00b0 K \u2248 0,7.<br \/>\n&#8211; Gi\u1ea3m t\u1ed5n th\u1ea5t: \u01b0u ti\u00ean co LR, h\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3ng co; d\u00f9ng t\u00ea thu h\u1ee3p l\u00fd; ch\u1ecdn van c\u1ea7u ch\u1ec9 khi c\u1ea7n \u0111i\u1ec1u ti\u1ebft ch\u00ednh x\u00e1c.<br \/>\n&#8211; Tr\u00e1nh b\u00faa n\u01b0\u1edbc: d\u00f9ng van \u0111\u00f3ng m\u1edf ch\u1eadm, l\u1eafp b\u1ea7u gi\u1ea3m ch\u1ea5n kh\u00ed, gi\u1eef t\u1ed1c \u0111\u1ed9 d\u00f2ng trong gi\u1edbi h\u1ea1n khuy\u1ebfn ngh\u1ecb (v\u00ed d\u1ee5 n\u01b0\u1edbc s\u1ea1ch \u2264 2\u20133 m\/s).<\/p>\n<h2 id=\"toc-6-7-lap-dat-han-va-kiem-tra-chat-luong\"><span class=\"ez-toc-section\" id=\"7_Lap_dat_han_va_kiem_tra_chat_luong\"><\/span>7) L\u1eafp \u0111\u1eb7t, h\u00e0n v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00e0n Inox: \u01b0u ti\u00ean TIG\/GTAW, back-purge argon \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1eb7t trong; d\u00f9ng v\u1eadt li\u1ec7u h\u00e0n L (308L, 316L); l\u00e0m s\u1ea1ch, pickling &#038; passivation sau h\u00e0n \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng.<br \/>\n&#8211; Tr\u00e1nh nhi\u1ec5m s\u1eaft: kh\u00f4ng d\u00f9ng d\u1ee5ng c\u1ee5 th\u00e9p carbon chung; che ch\u1eafn khu v\u1ef1c phun m\u00e0i.<br \/>\n&#8211; M\u1eb7t b\u00edch: c\u0103n \u0111\u1ed3ng t\u00e2m, khe h\u1edf \u0111\u1ec1u; si\u1ebft bulong theo h\u00ecnh sao, t\u0103ng d\u1ea7n m\u00f4-men, ki\u1ec3m tra l\u1ea1i sau 24 gi\u1edd; ch\u1ecdn gio\u0103ng \u0111\u00fang lo\u1ea1i m\u1eb7t b\u00edch (RF\/FF\/RTJ).<br \/>\n&#8211; Ren: ki\u1ec3m tra \u0111\u00fang chu\u1ea9n NPT\/BSP; d\u00f9ng keo\/b\u0103ng PTFE \u0111\u00fang l\u01b0u ch\u1ea5t (tr\u00e1nh PTFE v\u1edbi fluor m\u1ea1nh \u1edf nhi\u1ec7t cao).<br \/>\n&#8211; Ki\u1ec3m tra: th\u1ee7y l\u1ef1c\/h\u01a1i theo \u00e1p su\u1ea5t thi\u1ebft k\u1ebf; ki\u1ec3m r\u00f2 b\u1eb1ng x\u00e0 ph\u00f2ng\/helium khi c\u1ea7n; l\u01b0u h\u1ed3 s\u01a1 MTC 3.1, bi\u00ean b\u1ea3n test van (API 598\/ISO 5208).<\/p>\n<h2 id=\"toc-7-8-hong-hoc-thuong-gap-va-cach-phong-ngua\"><span class=\"ez-toc-section\" id=\"8_Hong_hoc_thuong_gap_va_cach_phong_ngua\"><\/span>8) H\u1ecfng h\u00f3c th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Pitting\/crevice \u1edf v\u00f9ng HAZ: do clorua, khe h\u1edf; d\u00f9ng 316L\/duplex, thi\u1ebft k\u1ebf tr\u00e1nh khe, passivation chu\u1ea9n.<br \/>\n&#8211; N\u1ee9t \u1ee9ng su\u1ea5t do clorua (SCC): nhi\u1ec7t \u0111\u1ed9 cao + clorua; gi\u1ea3m \u1ee9ng su\u1ea5t, ch\u1ecdn v\u1eadt li\u1ec7u cao c\u1ea5p h\u01a1n.<br \/>\n&#8211; Galling ren\/bulong Inox: b\u00f4i m\u1ee1 ch\u1ed1ng k\u1eb9t (nickel\/moly), si\u1ebft m\u00f4-men \u0111\u00fang, d\u00f9ng bulong ph\u1ee7\/l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u kh\u00e1c c\u1eb7p ma s\u00e1t.<br \/>\n&#8211; R\u00f2 r\u1ec9 m\u1eb7t b\u00edch: sai m\u1eb7t gio\u0103ng, si\u1ebft kh\u00f4ng \u0111\u1ec1u, t\u00e1i s\u1eed d\u1ee5ng gio\u0103ng; thay gio\u0103ng m\u1edbi, ki\u1ec3m chu\u1ea9n m\u1eb7t b\u00edch.<br \/>\n&#8211; \u0102n m\u00f2n k\u1ebd h\u1edf \u1edf SW\/ren trong F&#038;B: \u01b0u ti\u00ean BW ho\u1eb7c clamp sanitary.<\/p>\n<h2 id=\"toc-8-9-de-xuat-cau-hinh-mau-tham-khao\"><span class=\"ez-toc-section\" id=\"9_De_xuat_cau_hinh_mau_tham_khao\"><\/span>9) \u0110\u1ec1 xu\u1ea5t c\u1ea5u h\u00ecnh m\u1eabu (tham kh\u1ea3o)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; N\u01b0\u1edbc s\u1ea1ch DN100: \u1ed0ng ASTM A312 304L SCH10S; co LR B16.9; t\u00ea \u0111\u1ec1u; b\u1ea7u gi\u1ea3m l\u1ec7ch t\u00e2m; m\u1eb7t b\u00edch SO RF Class 150 + gio\u0103ng EPDM; van b\u01b0\u1edbm b\u00edch th\u00e2n Inox seat EPDM.<br \/>\n&#8211; H\u01a1i b\u00e3o h\u00f2a 12 bar DN50: \u1ed0ng 304L SCH40S; co LR; b\u00edch WN RF Class 300 + gio\u0103ng graphite; van c\u1ea7u b\u00edch Class 300; b\u1eaby h\u01a1i theo t\u1ea3i.<br \/>\n&#8211; CIP 2% NaOH 70\u00b0C DN25: \u1ed0ng 316L; ph\u1ee5 ki\u1ec7n BW 316L; van bi 3 m\u1ea3nh 316L seat PTFE; b\u00edch Class 150 + gio\u0103ng PTFE; ho\u00e0n thi\u1ec7n passivation.<\/p>\n<h2 id=\"toc-9-10-mua-hang-va-chi-phi-tai-viet-nam\"><span class=\"ez-toc-section\" id=\"10_Mua_hang_va_chi_phi_tai_Viet_Nam\"><\/span>10) Mua h\u00e0ng v\u00e0 chi ph\u00ed t\u1ea1i Vi\u1ec7t Nam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh gi\u00e1: m\u00e1c th\u00e9p (316L > 304L > 201), ti\u00eau chu\u1ea9n\/\u00e1p su\u1ea5t (Class\/PN cao h\u01a1n = d\u00e0y h\u01a1n), ki\u1ec3u k\u1ebft n\u1ed1i (BW\/b\u00edch > ren), th\u01b0\u01a1ng hi\u1ec7u van, ch\u1ee9ng ch\u1ec9 3.1\/ki\u1ec3m \u0111\u1ecbnh.<br \/>\n&#8211; Th\u1ef1c t\u1ebf h\u1ed3 s\u01a1 th\u1ea7u \u1edf Vi\u1ec7t Nam: th\u01b0\u1eddng y\u00eau c\u1ea7u ASME B16.5 Class 150\/300 ho\u1eb7c PN16, B16.9 cho ph\u1ee5 ki\u1ec7n BW, ren BSPT\/BSPP theo ISO 7-1 cho h\u1ea1 t\u1ea7ng n\u01b0\u1edbc; JIS 10K c\u0169ng hay g\u1eb7p.<br \/>\n&#8211; T\u1ed3n kho H\u00e0 N\u1ed9i: ph\u1ed5 bi\u1ebfn DN15\u2013DN200 (SCH10S\/40S, Class 150\/PN16); DN l\u1edbn h\u01a1n v\u00e0 Duplex\/RTJ th\u01b0\u1eddng \u0111\u1eb7t h\u00e0ng.<br \/>\n&#8211; Khuy\u1ebfn ngh\u1ecb: y\u00eau c\u1ea7u b\u00e1o gi\u00e1 k\u00e8m MTC 3.1, b\u1ea3n v\u1ebd\/ti\u00eau chu\u1ea9n, lead time v\u00e0 ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3 khi sai chu\u1ea9n.<\/p>\n<h2 id=\"toc-10-nguon-tham-khao\"><span class=\"ez-toc-section\" id=\"Nguon_tham_khao\"><\/span>Ngu\u1ed3n tham kh\u1ea3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASME B16.5 \u2013 Pipe Flanges and Flanged Fittings: https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b16-5-pipe-flanges-and-flanged-fittings<br \/>\n&#8211; ASME B16.9 \u2013 Factory-Made Wrought Buttwelding Fittings: https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b16-9-factory-made-wrought-buttwelding-fittings<br \/>\n&#8211; ASTM A403\/A403M \u2013 Wrought Austenitic Stainless Steel Piping Fittings: https:\/\/www.astm.org\/a0403_a0403m-20.html<br \/>\n&#8211; ISO 4144 \u2013 Stainless steel fittings threaded: https:\/\/www.iso.org\/standard\/72487.html<br \/>\n&#8211; ISO 7-1 \u2013 Pipe threads for pressure-tight joints: https:\/\/www.iso.org\/standard\/34872.html<br \/>\n&#8211; ASME B31.3 \u2013 Process Piping: https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b31-3-process-piping<br \/>\n&#8211; Crane Co., Flow of Fluids (TP-410) \u2013 h\u1ec7 s\u1ed1 K \u0111i\u1ec3n h\u00ecnh: https:\/\/www.flowoffluids.com<br \/>\n&#8211; SSINA \u2013 Stainless Steel Information: https:\/\/www.ssina.com<br \/>\n&#8211; Nickel Institute \u2013 H\u01b0\u1edbng d\u1eabn ch\u1ecdn Inox theo \u0103n m\u00f2n: https:\/\/nickelinstitute.org<\/p>\n<h2 id=\"toc-11-ket-luan\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ch\u1ecdn \u0111\u00fang ph\u1ee5 ki\u1ec7n \u1ed1ng Inox c\u00f4ng nghi\u1ec7p c\u1ea7n b\u00e1m ch\u1eb7t 4 g\u1ed1c: ti\u00eau chu\u1ea9n (ASME\/DIN\/JIS), v\u1eadt li\u1ec7u (304L\/316L\/duplex), k\u1ebft n\u1ed1i (BW\/SW\/ren\/b\u00edch) v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c (\u00e1p, nhi\u1ec7t, l\u01b0u ch\u1ea5t).<br \/>\n&#8211; Co, t\u00ea, b\u1ea7u gi\u1ea3m \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi t\u1ed5n th\u1ea5t v\u00e0 v\u1ec7 sinh l\u01b0u ch\u1ea5t; van quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng \u0111\u00f3ng\/m\u1edf\/\u0111i\u1ec1u ti\u1ebft; m\u1eb7t b\u00edch b\u1ea3o \u0111\u1ea3m th\u00e1o l\u1eafp v\u00e0 an to\u00e0n \u00e1p l\u1ef1c.<br \/>\n&#8211; Thi c\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt (h\u00e0n, si\u1ebft b\u00edch, ch\u1ecdn gio\u0103ng) v\u00e0 ki\u1ec3m tra ti\u00eau chu\u1ea9n l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh b\u1ec1n b\u1ec9, k\u00edn, an to\u00e0n.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn nhanh c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb k\u1ef9 thu\u1eadt v\u00e0 gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 ch\u1ecdn co, t\u00ea, b\u1ea7u gi\u1ea3m, van, m\u1eb7t b\u00edch Inox theo chu\u1ea9n ASME\/ASTM, \u00e1p l\u1ef1c, nhi\u1ec7t \u0111\u1ed9, l\u01b0u ch\u1ea5t v\u00e0 ki\u1ec3u k\u1ebft n\u1ed1i. C\u00f3 g\u1ee3i \u00fd th\u00f4ng s\u1ed1 th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"author":7,"featured_media":1072,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2136","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\/2136","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=2136"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2136\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1072"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}