{"id":18403,"date":"2025-06-14T05:55:39","date_gmt":"2025-06-14T05:55:39","guid":{"rendered":"https:\/\/oudianvalve.com\/?post_type=product&#038;p=18403"},"modified":"2025-06-14T06:20:51","modified_gmt":"2025-06-14T06:20:51","slug":"astm-a494-cw12mw-ball-valve-pn16-dn50-rf-end","status":"publish","type":"product","link":"https:\/\/oudianvalve.com\/ro\/products\/ball-valves\/astm-a494-cw12mw-ball-valve-pn16-dn50-rf-end\/","title":{"rendered":"Valv\u0103 cu bil\u0103 ASTM A494 CW12MW, PN16, DN50, cap\u0103t RF"},"content":{"rendered":"<p>Descrierea supapei:<br \/>\nTip supap\u0103: Supap\u0103 cu bil\u0103 plutitoare<br \/>\nMaterialul corpului: ASTM A494 CW12MW.<br \/>\nDiametru nominal: 2\u2033<br \/>\nPresiune nominal\u0103: PN16<br \/>\nConexiune final\u0103: Flan\u0219\u0103 RF<br \/>\nTemperatura de func\u021bionare: -29\u2103~+200\u2103.<br \/>\nFunc\u021bionare: P\u00e2rghie.<\/p>\n<p><a href=\"https:\/\/www.stvvalves.com\/products\/a494-cw12mw-swing-check-valve-300lb-8-inch-flange-end\/\">CW12MW Hastelloy<\/a>\u00a0Robinetul cu bil\u0103 este de tip Hastelloy, utilizat \u00een principal pentru robinete rezistente la coroziune, cum ar fi Hastelloy B (Hastelloy B) \u0219i Hastelloy C (Hastelloy C). Aliajele turnate de tip Hastelloy B (Hastelloy B) sunt N-12MV (N-12M-1) \u0219i N-7M \u00een standardul ASTM A494 (unele materiale \u00eel numesc N-12M-2, cunoscut \u0219i sub numele de aliaj Chlorimet 2), iar materialul de rulare de tip UNS N10665 \u00een standardul ASTM B335. Hastelloy B este rezistent la diferite concentra\u021bii de acid clorhidric, precum \u0219i la s\u0103ruri \u0219i acizi neoxidan\u021bi. Robinetul rezistent la coroziune Hastelloy B este potrivit pentru rezisten\u021b\u0103 la coroziune \u0219i rezisten\u021b\u0103 la coroziune intergranular\u0103.<\/p>\n<p>Se utilizeaz\u0103 Hastelloy B (N-7M) cu con\u021binut sc\u0103zut de carbon. Codul materialului pentru Hastelloy nu a fost stipulat \u00een industria valvelor. Codul materialului pentru valva Hastelloy B poate fi reprezentat direct de gradul aliajului turnat. Temperatura de func\u021bionare adecvat\u0103 pentru Hastelloy B este de -29\u2103\uff5e425\u2103. Gradele de aliaj de turnare pentru Hastelloy C (Hastelloy C) sunt CW-12MW (unele materiale \u00eel numesc CW-12M-1) \u0219i CW-7M (CW-12M-2, numit \u0219i aliaj Chlorimet3) \u0219i aliajul HastelloyC-276, gradul de aliaj de turnare fiind CW-6MC \u0219i aliajul HastelloyC-4, iar gradul de aliaj de turnare este CW-2M. Hastelloy CW-7M, CW-12MW, CW-6MC \u0219i CW-2M turnate, clasele corespunz\u0103toare de materiale de laminare sunt UNS N10001, UNS N10003, UNSN10276 \u0219i respectiv UNS N06455. Hastelloy C este rezistent la solven\u021bi oxidan\u021bi, concentra\u021bii sc\u0103zute de acid clorhidric \u0219i acid azotic la temperatura camerei. Prima genera\u021bie de Hastelloy C (0Cr16Ni60Mo16W4) se caracterizeaz\u0103 printr-o rezisten\u021b\u0103 excelent\u0103 la coroziune \u00een medii puternic corozive oxidante \u0219i acide reduc\u0103toare, dar \u0219i datorit\u0103 structurii austenitice a aliajului rezistent la coroziune cu con\u021binut ridicat de nichel, acesta reduce con\u021binutul de C \u00een austenit\u0103, solubilit\u0103\u021bii solide \u00een organism etc. Prin urmare, at\u00e2t aliajele HastelloyB pe baz\u0103 de Ni-Mo, c\u00e2t \u0219i cele HastelloyC pe baz\u0103 de Ni-Mo-Cr au tendin\u021be sau susceptibilitate serioas\u0103 la coroziune intergranular\u0103, care pot duce, de asemenea, la coroziune sub stres \u0219i coroziune \u00een fisuri la temperaturi ridicate. Pentru a dep\u0103\u0219i coroziunea intergranular\u0103, au fost introduse Hastelloy C-276 de a doua genera\u021bie (C a fost redus de la 0,12% la 6%) \u0219i Hastelloy C-HastelloyC-4 de a treia genera\u021bie, care se caracterizeaz\u0103 prin con\u021binut sc\u0103zut de Si (Si\u22640,108%) \u0219i C ultra-micro (C\u22640,1015%), iar con\u021binutul de Fe \u0219i W este redus \u0219i se adaug\u0103 elementul de aliere stabilizat Ti.<\/p>\n<p>Pentru supapa rezistent\u0103 la coroziune a<a href=\"https:\/\/stvvalve.com\/\" target=\"_blank\" rel=\"noopener\">\u00a0Robinet cu bil\u0103 Hastelloy CW12MW<\/a>Av\u00e2nd \u00een vedere rezisten\u021ba la coroziune \u0219i rezisten\u021ba la coroziune intergranular\u0103, ar trebui selectate Hastelloy C-276 (CW-6MC) \u0219i Hastelloy C-4 (CW-2M). Valva Hastelloy C are multe coduri de materiale, iar performan\u021ba \u0219i temperatura de func\u021bionare sunt foarte diferite, a\u0219adar CW-12MW, CW-7M, CW-6MC \u0219i CW-2M.<br \/>\nReprezentate respectiv de HC-12, HC-7, HC-276 \u0219i HC-4, sau reprezentate direct de clasele lor de aliaje turnate. Temperatura de lucru adecvat\u0103 pentru aliajele Hastelloy CW-7M \u0219i UNSN10001 este de -29 ~ 425 \u2103,<br \/>\nValv\u0103 cu bil\u0103 Hastelloy CW12MW. Temperatura de lucru adecvat\u0103 pentru Hastelloy CW-12MW \u0219i aliajul UNSN10003 este de -29\uff5e700\u2103, temperatura de lucru adecvat\u0103 pentru Hastelloy CW-6MC \u0219i aliajul UNSN10276 este de -29\uff5e676\u2103, iar pentru Hastelloy CW-2M \u0219i aliajul UNSN06455 este de -29\uff5e425\u2103.<br \/>\nSpecifica\u021bii ale produsului pentru valva cu bil\u0103 CW12MW Hastelloy:<\/p>\n<ul class=\"list-paddingleft-2\">\n<li><strong>Standardul aplicabil<\/strong><\/li>\n<\/ul>\n<p>Standard de proiectare: API 6D, ASME B16.34<br \/>\nFa\u021b\u0103 \u00een fa\u021b\u0103: ASME B16.10, API 6D, EN 558, DIN 3202<br \/>\nFlan\u0219\u0103 de cap\u0103t: ASME B16.5, ASME B16.47, DIN2501, DIN2533<br \/>\nCapete sudate cap la cap: ASME B16.25, DIN3239<br \/>\nInspec\u021bie \u0219i testare: API 598, DIN3230<\/p>\n<ul class=\"list-paddingleft-2\">\n<li><strong>Gama de produse<\/strong><br \/>\nDimensiune: 2\u2033 ~ 18\u2033 (DN50 ~ DN450)<br \/>\nClasificare: ANSI 150 lb ~ 300 lb<br \/>\nMateriale corp: Hastelloy C276 (A494 CW12MW)<br \/>\nFinisaj: Hastelloy C276 (A494 CW12MW)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Fabrica\u021bie de robinete cu bil\u0103 ASTM A494 CW12MW, robinet cu bil\u0103 ASTM A494 CW12MW PN16, robinet cu bil\u0103 ASTM A494 CW12MW DN50, robinet cu bil\u0103 ASTM A494 CW12MW cu cap\u0103t RF<\/p>","protected":false},"excerpt":{"rendered":"<p>Standard de proiectare: API 6D\/API 608<br \/>\nProtec\u021bie \u00eempotriva incendiilor: API 607\/6FA<br \/>\nEvalu\u0103ri de temperatur\u0103 de presiune: ASME B16.34<br \/>\nInterval de dimensiuni: 2\u201d la 48\u201d (DN50-DN1200)<br \/>\nOrificiu: alezaj complet sau alezaj redus<br \/>\nInterval de presiune: 150LB p\u00e2n\u0103 la 2500LB<br \/>\nConexiuni la cap\u0103t: RF cu flan\u0219\u0103, RTJ, sudare cap la cap<br \/>\nTip bil\u0103: bil\u0103 solid\u0103 forjat\u0103<br \/>\nDimensiuni de cap\u0103t cu flan\u0219\u0103: ASME B16.5 (24\u201d \u0219i mai jos), ASME B16.47 Seria A sau B (peste 24\u201d)<br \/>\nDimensiuni cap\u0103t de sudare cap la cap: ASME B16.25<br \/>\nDimensiuni fa\u021b\u0103 \u00een fa\u021b\u0103: ASME B16.10<br \/>\nInspec\u021bie \u0219i testare: API 6D<br \/>\nMateriale corp: M30-C, M35-1, Monel 400, Monel K500, Monel 600<br \/>\nMateriale scaun: PTFE, RPTFE, DEVLON, NYLON, PEEK, metal asezat cu TCC\/STL\/Ni.<\/p>","protected":false},"featured_media":18409,"template":"","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false},"product_brand":[],"product_cat":[83],"product_tag":[450,452,451,453],"class_list":{"0":"post-18403","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ball-valves","7":"product_tag-astm-a494-cw12mw-ball-valve","8":"product_tag-dn50-astm-a494-cw12mw-ball-valve","9":"product_tag-pn16-astm-a494-cw12mw-ball-valve","10":"product_tag-rf-end-astm-a494-cw12mw-ball-valve","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/product\/18403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/media\/18409"}],"wp:attachment":[{"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/media?parent=18403"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/product_brand?post=18403"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/product_cat?post=18403"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/oudianvalve.com\/ro\/wp-json\/wp\/v2\/product_tag?post=18403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}