{"id":659,"date":"2026-03-25T06:00:39","date_gmt":"2026-03-25T06:00:39","guid":{"rendered":"https:\/\/jstvalve.com\/?post_type=product&p=659"},"modified":"2026-03-30T01:56:41","modified_gmt":"2026-03-30T01:56:41","slug":"duplex-plug-valves","status":"publish","type":"product","link":"https:\/\/jstvalve.com\/vi\/product\/duplex-plug-valves\/","title":{"rendered":"Van c\u1eafm hai chi\u1ec1u"},"content":{"rendered":"
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Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a van c\u1eafm k\u00e9p<\/h6>\n

C\u0169ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9. \u0110\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7 do clorua v\u00e0 \u0103n m\u00f2n k\u1ebd h\u1edf, h\u00e0m l\u01b0\u1ee3ng crom, molypden v\u00e0 nit\u01a1 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t. C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 duplex c\u00f3 ph\u1ea1m vi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u1ea1m vi c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 austenit, t\u1ee9c l\u00e0 t\u1eeb lo\u1ea1i 304 ho\u1eb7c 316 (v\u00ed d\u1ee5: LDX 2101\u00a9) \u0111\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 molypden 6% (v\u00ed d\u1ee5: SAF 2507\u00a9).<\/p>\n

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Chi ph\u00ed c\u1ee7a van c\u1eafm \u0111\u00f4i<\/h6>\n

Th\u00e9p kh\u00f4ng g\u1ec9 duplex c\u00f3 h\u00e0m l\u01b0\u1ee3ng niken v\u00e0 molypden th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 austenit c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. Do h\u00e0m l\u01b0\u1ee3ng h\u1ee3p kim th\u1ea5p h\u01a1n, th\u00e9p kh\u00f4ng g\u1ec9 duplex c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n, \u0111\u1eb7c bi\u1ec7t trong nh\u1eefng th\u1eddi \u0111i\u1ec3m ph\u1ee5 ph\u00ed h\u1ee3p kim t\u0103ng cao. Ngo\u00e0i ra, th\u01b0\u1eddng c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ed9 d\u00e0y ti\u1ebft di\u1ec7n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 duplex do \u0111\u1ed9 b\u1ec1n ch\u1ea3y c\u1ee7a n\u00f3 cao h\u01a1n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenitic. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 v\u1ec1 chi ph\u00ed v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng so v\u1edbi gi\u1ea3i ph\u00e1p s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 austenitic.<\/p>\n

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\u1ee8ng d\u1ee5ng c\u1ee7a van c\u1eafm \u0111\u00f4i<\/h6>\n

Van hai chi\u1ec1u c\u00f3 t\u00ednh linh ho\u1ea1t cao v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3, v\u00ed d\u1ee5 nh\u01b0: ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u v\u00e0 kh\u00ed \u0111\u1ed1t, x\u1eed l\u00fd n\u01b0\u1edbc, s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, v.v.<\/p>","protected":false},"excerpt":{"rendered":"

Th\u00e9p kh\u00f4ng g\u1ec9 duplex \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cduplex\u201d v\u00ec ch\u00fang c\u00f3 c\u1ea5u tr\u00fac vi m\u00f4 hai pha, bao g\u1ed3m c\u00e1c h\u1ea1t th\u00e9p kh\u00f4ng g\u1ec9 ferritic v\u00e0 austenitic.<\/p>\n

\u0110\u1ed9 b\u1ec1n: Th\u00e9p kh\u00f4ng g\u1ec9 duplex c\u00f3 \u0111\u1ed9 b\u1ec1n g\u1ea5p kho\u1ea3ng hai l\u1ea7n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenit ho\u1eb7c ferrit th\u00f4ng th\u01b0\u1eddng.<\/p>\n

Van si\u00eau k\u00e9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 h\u00f3a d\u1ea7u, thi\u1ebft b\u1ecb h\u00f3a ch\u1ea5t, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, d\u1ea7u m\u1ecf v\u00e0 kh\u00ed \u0111\u1ed1t.<\/p>","protected":false},"featured_media":701,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[27],"product_tag":[],"class_list":{"0":"post-659","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-plug-valve","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple","12":"entry","13":"content-bg","14":"loop-entry"},"_links":{"self":[{"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/product\/659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/comments?post=659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/media\/701"}],"wp:attachment":[{"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=659"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/product_brand?post=659"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/product_cat?post=659"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jstvalve.com\/vi\/wp-json\/wp\/v2\/product_tag?post=659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}