{"id":1711,"date":"2019-11-06T20:00:52","date_gmt":"2019-11-06T13:00:52","guid":{"rendered":"http:\/\/phuchungvn.com.vn\/?p=1711"},"modified":"2026-01-29T09:02:46","modified_gmt":"2026-01-29T02:02:46","slug":"tieu-chuan-kich-co-duong-ong-va-nhung-dieu-can-biet","status":"publish","type":"post","link":"https:\/\/phuchungvn.com.vn\/en\/tieu-chuan-kich-co-duong-ong-va-nhung-dieu-can-biet\/","title":{"rendered":"Ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft"},"content":{"rendered":"<h2 style=\"text-align: left;\"><a href=\"https:\/\/phuchungvn.com.vn\/en\/dich-vu-ho-tro-khach-hang\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 100%;\"><strong>Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng DN, NPS, \u00d8 NPS<\/strong><\/span><\/a><\/h2>\n<h2 data-start=\"467\" data-end=\"490\">Overview<\/h2>\n<p data-start=\"492\" data-end=\"863\">Trong thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng h\u1ec7 th\u1ed1ng <strong data-start=\"528\" data-end=\"565\">kh\u00ed n\u00e9n, n\u01b0\u1edbc, h\u01a1i, d\u1ea7u ho\u1eb7c PCCC<\/strong>, vi\u1ec7c l\u1ef1a ch\u1ecdn <strong data-start=\"581\" data-end=\"607\">\u0111\u00fang k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng<\/strong> l\u00e0 y\u1ebfu t\u1ed1 b\u1eaft bu\u1ed9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o <strong data-start=\"638\" data-end=\"683\">l\u01b0u l\u01b0\u1ee3ng, \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 an to\u00e0n v\u1eadn h\u00e0nh<\/strong>. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn nh\u1ea7m l\u1eabn gi\u1eefa c\u00e1c kh\u00e1i ni\u1ec7m <strong data-start=\"757\" data-end=\"779\">DN \u2013 NPS \u2013 \u00d8 (phi)<\/strong>, d\u1eabn \u0111\u1ebfn ch\u1ecdn sai \u1ed1ng, sai ph\u1ee5 ki\u1ec7n, g\u00e2y t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t ho\u1eb7c kh\u00f4ng l\u1eafp gh\u00e9p \u0111\u01b0\u1ee3c.<\/p>\n<p data-start=\"865\" data-end=\"984\">B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n <strong data-start=\"890\" data-end=\"929\">hi\u1ec3u \u0111\u00fang \u2013 hi\u1ec3u \u0111\u1ee7 \u2013 hi\u1ec3u b\u1ea3n ch\u1ea5t<\/strong> v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay.<\/p>\n<div id=\"attachment_8545\" style=\"width: 866px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-8545\" class=\"lazyload size-full wp-image-8545\" src=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n.png\" data-orig-src=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n.png\" alt=\"Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng DN, NPS, \u00d8 NPS\" width=\"856\" height=\"416\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27856%27%20height%3D%27416%27%20viewBox%3D%270%200%20856%20416%27%3E%3Crect%20width%3D%27856%27%20height%3D%27416%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-18x9.png 18w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-200x97.png 200w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-300x146.png 300w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-400x194.png 400w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-500x243.png 500w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-600x292.png 600w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-700x340.png 700w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-768x373.png 768w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n-800x389.png 800w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2024\/01\/65200276_10156043292906191_3769422526292164608_n.png 856w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 856px) 100vw, 856px\" \/><\/a><p id=\"caption-attachment-8545\" class=\"wp-caption-text\">Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng DN, NPS, \u00d8 NPS<\/p><\/div>\n<h2 data-start=\"991\" data-end=\"1015\">Ti\u00eau chu\u1ea9n NPS l\u00e0 g\u00ec?<\/h2>\n<p data-start=\"1017\" data-end=\"1256\"><strong data-start=\"1017\" data-end=\"1044\">NPS (Nominal Pipe Size)<\/strong> is <strong data-start=\"1048\" data-end=\"1076\">k\u00edch th\u01b0\u1edbc \u1ed1ng danh \u0111\u1ecbnh<\/strong> theo ti\u00eau chu\u1ea9n B\u1eafc M\u1ef9, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 <strong data-start=\"1148\" data-end=\"1162\">ASME, ANSI<\/strong>. NPS <strong data-start=\"1168\" data-end=\"1204\">kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u01b0\u1eddng k\u00ednh th\u1ef1c t\u1ebf<\/strong>, m\u00e0 ch\u1ec9 l\u00e0 <strong data-start=\"1216\" data-end=\"1255\">gi\u00e1 tr\u1ecb danh ngh\u0129a \u0111\u1ec3 ph\u00e2n lo\u1ea1i \u1ed1ng<\/strong>.<\/p>\n<p data-start=\"1258\" data-end=\"1286\">\u0110\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a NPS:<\/p>\n<ul>\n<li data-start=\"1289\" data-end=\"1308\">\u0110\u01a1n v\u1ecb \u0111o: <strong data-start=\"1300\" data-end=\"1308\">inch<\/strong><\/li>\n<li data-start=\"1311\" data-end=\"1340\">Kh\u00f4ng c\u00f3 th\u1ee9 nguy\u00ean ch\u00ednh x\u00e1c<\/li>\n<li data-start=\"1343\" data-end=\"1401\">Lu\u00f4n \u0111i k\u00e8m v\u1edbi <strong data-start=\"1359\" data-end=\"1378\">Schedule (Sch.)<\/strong> \u2013 ch\u1ec9 \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng<\/li>\n<li data-start=\"1404\" data-end=\"1452\">C\u00f3 th\u1ec3 g\u1eb7p t\u00ean g\u1ecdi kh\u00e1c l\u00e0 <strong data-start=\"1431\" data-end=\"1452\">NB (Nominal Bore)<\/strong><\/li>\n<\/ul>\n<p data-start=\"1454\" data-end=\"1460\">V\u00ed d\u1ee5:<\/p>\n<ul>\n<li data-start=\"1463\" data-end=\"1471\">NPS 1\/2\u201d<\/li>\n<li data-start=\"1474\" data-end=\"1480\">NPS 1\u201d<\/li>\n<li data-start=\"1483\" data-end=\"1489\">NPS 2\u201d<\/li>\n<\/ul>\n<p data-start=\"1491\" data-end=\"1606\">C\u00f9ng m\u1ed9t NPS nh\u01b0ng <strong data-start=\"1510\" data-end=\"1553\">Schedule kh\u00e1c nhau th\u00ec \u0111\u1ed9 d\u00e0y kh\u00e1c nhau<\/strong>, trong khi <strong data-start=\"1565\" data-end=\"1605\">\u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD) v\u1eabn gi\u1eef nguy\u00ean<\/strong>.<\/p>\n<h2 data-start=\"1613\" data-end=\"1659\">Schedule (Sch.) trong ti\u00eau chu\u1ea9n NPS l\u00e0 g\u00ec?<\/h2>\n<p data-start=\"1661\" data-end=\"1735\">Schedule l\u00e0 ch\u1ec9 s\u1ed1 th\u1ec3 hi\u1ec7n <strong data-start=\"1689\" data-end=\"1709\">\u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng<\/strong>, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn:<\/p>\n<ul>\n<li data-start=\"1738\" data-end=\"1759\">Kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t<\/li>\n<li data-start=\"1762\" data-end=\"1777\">Tr\u1ecdng l\u01b0\u1ee3ng \u1ed1ng<\/li>\n<li data-start=\"1780\" data-end=\"1801\">\u0110\u01b0\u1eddng k\u00ednh trong (ID)<\/li>\n<\/ul>\n<p data-start=\"1803\" data-end=\"1809\">V\u00ed d\u1ee5:<\/p>\n<ul>\n<li data-start=\"1812\" data-end=\"1825\">NPS 1\u201d Sch 40<\/li>\n<li data-start=\"1828\" data-end=\"1841\">NPS 1\u201d Sch 80<\/li>\n<\/ul>\n<p data-start=\"1843\" data-end=\"1856\">Hai lo\u1ea1i n\u00e0y:<\/p>\n<ul>\n<li data-start=\"1859\" data-end=\"1890\"><strong data-start=\"1859\" data-end=\"1890\">\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i gi\u1ed1ng nhau<\/strong><\/li>\n<li data-start=\"1893\" data-end=\"1913\"><strong data-start=\"1893\" data-end=\"1913\">\u0110\u1ed9 d\u00e0y kh\u00e1c nhau<\/strong><\/li>\n<li data-start=\"1916\" data-end=\"1946\"><strong data-start=\"1916\" data-end=\"1946\">\u0110\u01b0\u1eddng k\u00ednh trong kh\u00e1c nhau<\/strong><\/li>\n<\/ul>\n<p data-start=\"1948\" data-end=\"2024\">\u0110\u00e2y l\u00e0 \u0111i\u1ec3m r\u1ea5t d\u1ec5 g\u00e2y nh\u1ea7m l\u1eabn khi t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng v\u00e0 t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t.<\/p>\n<h2 data-start=\"2031\" data-end=\"2054\">Ti\u00eau chu\u1ea9n DN l\u00e0 g\u00ec?<\/h2>\n<p data-start=\"2056\" data-end=\"2193\"><strong data-start=\"2056\" data-end=\"2081\">DN (Nominal Diameter)<\/strong> is <strong data-start=\"2085\" data-end=\"2133\">k\u00edch th\u01b0\u1edbc danh \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u<\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ti\u00eau chu\u1ea9n <strong data-start=\"2176\" data-end=\"2192\">DIN, ISO, EN<\/strong>.<\/p>\n<p data-start=\"2195\" data-end=\"2211\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a DN:<\/p>\n<ul>\n<li data-start=\"2214\" data-end=\"2241\">\u0110\u01a1n v\u1ecb \u0111o: <strong data-start=\"2225\" data-end=\"2241\">milimet (mm)<\/strong><\/li>\n<li data-start=\"2244\" data-end=\"2299\">L\u00e0 gi\u00e1 tr\u1ecb <strong data-start=\"2255\" data-end=\"2265\">x\u1ea5p x\u1ec9<\/strong>, kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1eddng k\u00ednh \u0111o th\u1ef1c t\u1ebf<\/li>\n<li data-start=\"2302\" data-end=\"2344\">Th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 quy \u0111\u1ed5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi NPS<\/li>\n<\/ul>\n<p data-start=\"2346\" data-end=\"2352\">V\u00ed d\u1ee5:<\/p>\n<ul>\n<li data-start=\"2355\" data-end=\"2359\">DN15<\/li>\n<li data-start=\"2362\" data-end=\"2366\">DN20<\/li>\n<li data-start=\"2369\" data-end=\"2373\">DN25<\/li>\n<li data-start=\"2376\" data-end=\"2380\">DN50<\/li>\n<\/ul>\n<p data-start=\"2382\" data-end=\"2518\">DN gi\u00fap <strong data-start=\"2390\" data-end=\"2412\">chu\u1ea9n h\u00f3a thi\u1ebft k\u1ebf<\/strong> gi\u1eefa c\u00e1c qu\u1ed1c gia s\u1eed d\u1ee5ng h\u1ec7 m\u00e9t, nh\u01b0ng <strong data-start=\"2453\" data-end=\"2517\">kh\u00f4ng ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i ho\u1eb7c trong c\u1ee7a \u1ed1ng<\/strong>.<\/p>\n<h2 data-start=\"2525\" data-end=\"2566\">\u00d8 (Phi) l\u00e0 g\u00ec? V\u00ec sao d\u1ec5 g\u00e2y nh\u1ea7m l\u1eabn?<\/h2>\n<p data-start=\"2568\" data-end=\"2623\">T\u1ea1i Vi\u1ec7t Nam, c\u00e1ch g\u1ecdi <strong data-start=\"2591\" data-end=\"2602\">phi (\u00d8)<\/strong> r\u1ea5t ph\u1ed5 bi\u1ebfn, v\u00ed d\u1ee5:<\/p>\n<ul>\n<li data-start=\"2626\" data-end=\"2632\">Phi 21<\/li>\n<li data-start=\"2635\" data-end=\"2641\">Phi 27<\/li>\n<li data-start=\"2644\" data-end=\"2650\">Phi 34<\/li>\n<\/ul>\n<p data-start=\"2652\" data-end=\"2748\">Tuy nhi\u00ean, <strong data-start=\"2663\" data-end=\"2697\">phi ch\u1ec9 l\u00e0 c\u00e1ch g\u1ecdi quen mi\u1ec7ng<\/strong>, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c.<\/p>\n<p data-start=\"2750\" data-end=\"2778\">M\u1ed9t s\u1ed1 hi\u1ec3u nh\u1ea7m th\u01b0\u1eddng g\u1eb7p:<\/p>\n<ul>\n<li data-start=\"2781\" data-end=\"2830\">Ngh\u0129 r\u1eb1ng <strong data-start=\"2791\" data-end=\"2830\">phi 21 = \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i \u0111\u00fang 21mm<\/strong><\/li>\n<li data-start=\"2833\" data-end=\"2873\">Ngh\u0129 r\u1eb1ng phi l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chu\u1ea9n<\/li>\n<\/ul>\n<p data-start=\"2875\" data-end=\"2883\">Th\u1ef1c t\u1ebf:<\/p>\n<ul>\n<li data-start=\"2886\" data-end=\"2917\">Phi ch\u1ec9 mang t\u00ednh <strong data-start=\"2904\" data-end=\"2917\">\u01b0\u1edbc l\u01b0\u1ee3ng<\/strong><\/li>\n<li data-start=\"2920\" data-end=\"2982\">\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i th\u1ef1c t\u1ebf <strong data-start=\"2945\" data-end=\"2982\">ph\u1ee5 thu\u1ed9c v\u00e0o ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t<\/strong><\/li>\n<li data-start=\"2985\" data-end=\"3042\">M\u1ed7i ti\u00eau chu\u1ea9n s\u1ebd c\u00f3 <strong data-start=\"3006\" data-end=\"3042\">OD kh\u00e1c nhau d\u00f9 c\u00f9ng DN ho\u1eb7c NPS<\/strong><\/li>\n<\/ul>\n<p data-start=\"3044\" data-end=\"3060\">V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh:<\/p>\n<ul>\n<li data-start=\"3063\" data-end=\"3110\">Theo ti\u00eau chu\u1ea9n ASME, <strong data-start=\"3085\" data-end=\"3110\">DN15 c\u00f3 OD = 21,34 mm<\/strong><\/li>\n<li data-start=\"3113\" data-end=\"3155\">T\u1ea1i Vi\u1ec7t Nam th\u01b0\u1eddng g\u1ecdi tr\u00f2n l\u00e0 <strong data-start=\"3145\" data-end=\"3155\">phi 21<\/strong><\/li>\n<\/ul>\n<p>\ud83d\udc49 <strong data-start=\"199\" data-end=\"306\"><a class=\"decorated-link\" href=\"https:\/\/hangmaynenkhi.com\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener nofollow\" data-start=\"201\" data-end=\"304\">Air Compressor Manufacturer \u2013 Genuine Industrial Air Compressor &amp; Compressed Air Solutions<\/a><\/strong> is the supplier <strong data-start=\"323\" data-end=\"414\"><a href=\"https:\/\/hangmaynenkhi.com\/san-pham-may-nen-khi\" rel=\"nofollow noopener\" target=\"_blank\">Kobelco 55 kW Air Compressor<\/a>, ph\u1ee5 t\u00f9ng, h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n, <a href=\"https:\/\/hangmaynenkhi.com\/san-pham-he-thong-may-say-khi-bo-loc-khi\" rel=\"nofollow noopener\" target=\"_blank\">Air dryer<\/a>, b\u00ecnh t\u00edch kh\u00ed v\u00e0 d\u1ecbch v\u1ee5 k\u1ef9 thu\u1eadt<\/strong> helping businesses <strong data-start=\"433\" data-end=\"496\">increase productivity \u2013 stabilize the system \u2013 optimize operating costs<\/strong>.<\/p>\n<h2 data-start=\"3162\" data-end=\"3200\">M\u1ed1i quan h\u1ec7 gi\u1eefa DN \u2013 NPS \u2013 \u00d8 (Phi)<\/h2>\n<p data-start=\"3202\" data-end=\"3326\">Ba kh\u00e1i ni\u1ec7m n\u00e0y <strong data-start=\"3219\" data-end=\"3250\">kh\u00f4ng ho\u00e0n to\u00e0n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/strong>, nh\u01b0ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c quy \u0111\u1ed5i g\u1ea7n \u0111\u00fang \u0111\u1ec3 thu\u1eadn ti\u1ec7n trong giao ti\u1ebfp k\u1ef9 thu\u1eadt.<\/p>\n<p data-start=\"3328\" data-end=\"3343\">V\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn:<\/p>\n<ul>\n<li data-start=\"3346\" data-end=\"3367\">DN15 \u2248 NPS 1\/2\u201d \u2248 \u00d821<\/li>\n<li data-start=\"3370\" data-end=\"3391\">DN20 \u2248 NPS 3\/4\u201d \u2248 \u00d827<\/li>\n<li data-start=\"3394\" data-end=\"3413\">DN25 \u2248 NPS 1\u201d \u2248 \u00d834<\/li>\n<\/ul>\n<p data-start=\"3415\" data-end=\"3434\">Quan tr\u1ecdng c\u1ea7n nh\u1edb:<\/p>\n<ul>\n<li data-start=\"3437\" data-end=\"3474\">DN v\u00e0 NPS l\u00e0 <strong data-start=\"3450\" data-end=\"3474\">k\u00edch th\u01b0\u1edbc danh \u0111\u1ecbnh<\/strong><\/li>\n<li data-start=\"3477\" data-end=\"3506\">\u00d8 ch\u1ec9 l\u00e0 <strong data-start=\"3486\" data-end=\"3506\">c\u00e1ch g\u1ecdi quy \u01b0\u1edbc<\/strong><\/li>\n<li data-start=\"3509\" data-end=\"3574\">Khi thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c, <strong data-start=\"3533\" data-end=\"3574\">b\u1eaft bu\u1ed9c ph\u1ea3i d\u00f9ng OD \u2013 ID \u2013 Schedule<\/strong><\/li>\n<\/ul>\n<p>\ud83d\udc49 <strong data-start=\"199\" data-end=\"306\"><a class=\"decorated-link\" href=\"https:\/\/hangmaynenkhi.com\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener nofollow\" data-start=\"201\" data-end=\"304\">Air Compressor Manufacturer \u2013 Genuine Industrial Air Compressor &amp; Compressed Air Solutions<\/a><\/strong> is the supplier <strong data-start=\"323\" data-end=\"414\">Air compressors, spare parts, compressed air systems, air dryers, air receivers, and technical services.<\/strong> helping businesses <strong data-start=\"433\" data-end=\"496\">increase productivity \u2013 stabilize the system \u2013 optimize operating costs<\/strong>.<\/p>\n<h2 data-start=\"3581\" data-end=\"3645\">V\u00ec sao kh\u00f4ng n\u00ean ch\u1ec9 d\u1ef1a v\u00e0o DN ho\u1eb7c \u00d8 khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng?<\/h2>\n<p data-start=\"3647\" data-end=\"3689\">Trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n v\u00e0 c\u00f4ng nghi\u1ec7p:<\/p>\n<ul>\n<li data-start=\"3692\" data-end=\"3741\">L\u01b0u l\u01b0\u1ee3ng ph\u1ee5 thu\u1ed9c v\u00e0o <strong data-start=\"3716\" data-end=\"3741\">\u0111\u01b0\u1eddng k\u00ednh trong (ID)<\/strong><\/li>\n<li data-start=\"3744\" data-end=\"3796\">\u00c1p su\u1ea5t ch\u1ecbu \u0111\u1ef1ng ph\u1ee5 thu\u1ed9c v\u00e0o <strong data-start=\"3776\" data-end=\"3796\">\u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng<\/strong><\/li>\n<li data-start=\"3799\" data-end=\"3856\">Ph\u1ee5 ki\u1ec7n l\u1eafp gh\u00e9p ph\u1ee5 thu\u1ed9c v\u00e0o <strong data-start=\"3831\" data-end=\"3856\">\u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD)<\/strong><\/li>\n<\/ul>\n<p data-start=\"3858\" data-end=\"3884\">N\u1ebfu ch\u1ec9 d\u1ef1a v\u00e0o DN ho\u1eb7c \u00d8:<\/p>\n<ul>\n<li data-start=\"3887\" data-end=\"3902\">D\u1ec5 ch\u1ecdn sai \u1ed1ng<\/li>\n<li data-start=\"3905\" data-end=\"3926\">T\u0103ng t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t<\/li>\n<li data-start=\"3929\" data-end=\"3964\">Kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u1edbi van, co, m\u1eb7t b\u00edch<\/li>\n<li data-start=\"3967\" data-end=\"4002\">G\u00e2y r\u00f2 r\u1ec9 ho\u1eb7c m\u1ea5t an to\u00e0n v\u1eadn h\u00e0nh<\/li>\n<\/ul>\n<h2 data-start=\"4009\" data-end=\"4063\">L\u01b0u \u00fd quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p<\/h2>\n<p data-start=\"4065\" data-end=\"4118\">Khi thi\u1ebft k\u1ebf ho\u1eb7c mua \u0111\u01b0\u1eddng \u1ed1ng, b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5:<\/p>\n<ul>\n<li data-start=\"4121\" data-end=\"4158\">Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (DIN, ANSI, ASME\u2026)<\/li>\n<li data-start=\"4161\" data-end=\"4182\">DN ho\u1eb7c NPS t\u01b0\u01a1ng \u1ee9ng<\/li>\n<li data-start=\"4185\" data-end=\"4202\">Schedule (\u0111\u1ed9 d\u00e0y)<\/li>\n<li data-start=\"4205\" data-end=\"4226\">\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD)<\/li>\n<li data-start=\"4229\" data-end=\"4250\">\u0110\u01b0\u1eddng k\u00ednh trong (ID)<\/li>\n<li data-start=\"4253\" data-end=\"4283\">\u00c1p su\u1ea5t v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/li>\n<\/ul>\n<p data-start=\"4285\" data-end=\"4371\">\u0110\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin <strong data-start=\"4308\" data-end=\"4320\">b\u1eaft bu\u1ed9c<\/strong> trong c\u00e1c b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt v\u00e0 h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf chu\u1ea9n.<\/p>\n<div id=\"attachment_8606\" style=\"width: 882px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-8606\" class=\"lazyload wp-image-8606 size-full\" src=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac.jpg\" data-orig-src=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac.jpg\" alt=\"Ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft\" width=\"872\" height=\"868\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27872%27%20height%3D%27868%27%20viewBox%3D%270%200%20872%20868%27%3E%3Crect%20width%3D%27872%27%20height%3D%27868%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-12x12.jpg 12w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-66x66.jpg 66w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-150x150.jpg 150w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-200x200.jpg 200w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-300x300.jpg 300w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-400x398.jpg 400w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-500x498.jpg 500w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-600x597.jpg 600w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-700x697.jpg 700w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-768x764.jpg 768w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac-800x796.jpg 800w, https:\/\/phuchungvn.com.vn\/wp-content\/uploads\/2023\/11\/z2635695845858_ed89f3992d3c7547ba457ffdae34caac.jpg 872w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 872px) 100vw, 872px\" \/><\/a><p id=\"caption-attachment-8606\" class=\"wp-caption-text\">Ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft<\/p><\/div>\n<h2 data-start=\"4378\" data-end=\"4389\">Conclude<\/h2>\n<p data-start=\"4391\" data-end=\"4548\">DN, NPS v\u00e0 \u00d8 (phi) <strong data-start=\"4410\" data-end=\"4431\">kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t<\/strong>, v\u00e0 c\u00e0ng kh\u00f4ng th\u1ec3 d\u00f9ng thay th\u1ebf cho nhau m\u1ed9t c\u00e1ch m\u00e1y m\u00f3c. Vi\u1ec7c hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t c\u1ee7a t\u1eebng ti\u00eau chu\u1ea9n s\u1ebd gi\u00fap b\u1ea1n:<\/p>\n<ul>\n<li data-start=\"4551\" data-end=\"4578\">Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ch\u00ednh x\u00e1c<\/li>\n<li data-start=\"4581\" data-end=\"4607\">L\u1ef1a ch\u1ecdn v\u1eadt t\u01b0 \u0111\u00fang chu\u1ea9n<\/li>\n<li data-start=\"4610\" data-end=\"4631\">Reduce pressure drop<\/li>\n<li data-start=\"4634\" data-end=\"4669\">T\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 an to\u00e0n cho h\u1ec7 th\u1ed1ng<\/li>\n<\/ul>\n<p data-start=\"4671\" data-end=\"4847\">N\u1ebfu b\u1ea1n \u0111ang thi\u1ebft k\u1ebf ho\u1eb7c c\u1ea3i t\u1ea1o <strong data-start=\"4706\" data-end=\"4749\">h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n, h\u01a1i, n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p<\/strong>, h\u00e3y lu\u00f4n l\u00e0m vi\u1ec7c d\u1ef1a tr\u00ean <strong data-start=\"4778\" data-end=\"4807\">th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf<\/strong>, kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1ch g\u1ecdi quen mi\u1ec7ng.<\/p>\n<p data-start=\"4671\" data-end=\"4847\">\ud83d\udd25 <strong data-start=\"87\" data-end=\"216\">DISCOVER &amp; CONTACT US NOW AT <a class=\"decorated-link\" href=\"https:\/\/phuchungvn.com.vn\/en\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"117\" data-end=\"214\">Phuc Hung \u2013 Genuine Air Compressor &amp; Industrial Equipment Solutions<\/a><\/strong><br data-start=\"216\" data-end=\"219\" \/>\ud83d\udc49 <strong data-start=\"222\" data-end=\"299\"><a class=\"decorated-link\" href=\"https:\/\/phuchungvn.com.vn\/en\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"224\" data-end=\"297\">PHUC HUNG - PHUC HUNG TECHNOLOGY CO., LTD<\/a><\/strong> is a leading supplier <strong data-start=\"328\" data-end=\"444\">air compressors, industrial compressed air systems, nitrogen\/oxygen generators, air dryers, and high-quality technical spare parts<\/strong> For professional production and operation in Vietnam.<\/p>\n<div>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong><span style=\"font-size: 90%;\">B\u1ea2NG QUY \u0110\u1ed4I (Tham kh\u1ea3o)<\/span><\/strong><\/span><\/p>\n<table class=\"table table-bordered table-hover\" style=\"height: 733px;\" width=\"1126\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\" colspan=\"2\" width=\"50%\"><strong>NOMINAL SIZE<\/strong><\/td>\n<td style=\"text-align: center;\" colspan=\"2\" width=\"50%\"><strong>OD<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>mm<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>Inches<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>mm<\/strong><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 10<\/td>\n<td style=\"text-align: center;\" width=\"25%\">3\/8<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 17 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 15<\/td>\n<td style=\"text-align: center;\" width=\"25%\">1\/2<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 21 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 20<\/td>\n<td style=\"text-align: center;\" width=\"25%\">3\/4<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 27 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 25<\/td>\n<td style=\"text-align: center;\" width=\"25%\">1<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 34 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 32<\/td>\n<td style=\"text-align: center;\" width=\"25%\">1 1\/4<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 42 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 40<\/td>\n<td style=\"text-align: center;\" width=\"25%\">1 1\/2<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 48 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 50<\/td>\n<td style=\"text-align: center;\" width=\"25%\">2<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 60 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 65<\/td>\n<td style=\"text-align: center;\" width=\"25%\">2 1\/2<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 73 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 80<\/td>\n<td style=\"text-align: center;\" width=\"25%\">3<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 89 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 100<\/td>\n<td style=\"text-align: center;\" width=\"25%\">4<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 114 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 125<\/td>\n<td style=\"text-align: center;\" width=\"25%\">5<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 141 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 150<\/td>\n<td style=\"text-align: center;\" width=\"25%\">6<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 168 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 200<\/td>\n<td style=\"text-align: center;\" width=\"25%\">8<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 219 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 250<\/td>\n<td style=\"text-align: center;\" width=\"25%\">10<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 273 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 300<\/td>\n<td style=\"text-align: center;\" width=\"25%\">12<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8\u00a0324 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 350<\/td>\n<td style=\"text-align: center;\" width=\"25%\">14<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 356 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 400<\/td>\n<td style=\"text-align: center;\" width=\"25%\">16<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 406 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 450<\/td>\n<td style=\"text-align: center;\" width=\"25%\">18<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 457 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 500<\/td>\n<td style=\"text-align: center;\" width=\"25%\">20<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 508 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"25%\">DN 600<\/td>\n<td style=\"text-align: center;\" width=\"25%\">24<\/td>\n<td style=\"text-align: center;\" width=\"25%\">~ \u00d8 558 mm<\/td>\n<td style=\"text-align: center;\" width=\"25%\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><em>Ngu\u1ed3n tham kh\u1ea3o: vi.wikipedia.org<\/em><\/div>\n<\/div>\n<h1><a href=\"https:\/\/phuchungvn.com.vn\/en\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 100%;\">Phuc Hung Technology Co., Ltd.<\/span><\/a><\/h1>","protected":false},"excerpt":{"rendered":"<p>Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 ti\u00eau chu\u1ea9n k\u00edch c\u1ee1 \u0111\u01b0\u1eddng  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":8545,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[522,140,184],"class_list":["post-1711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-duong-ong-khi-nen-dung-tieu-chuan","tag-lap-dat-duong-ong-khi-nen","tag-lap-dat-may-nen-khi"],"_links":{"self":[{"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/posts\/1711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/comments?post=1711"}],"version-history":[{"count":2,"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/posts\/1711\/revisions"}],"predecessor-version":[{"id":12107,"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/posts\/1711\/revisions\/12107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/media\/8545"}],"wp:attachment":[{"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/media?parent=1711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/categories?post=1711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phuchungvn.com.vn\/en\/wp-json\/wp\/v2\/tags?post=1711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}