{"id":5733,"date":"2021-03-06T13:00:13","date_gmt":"2021-03-06T13:00:13","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5733"},"modified":"2021-03-06T13:44:44","modified_gmt":"2021-03-06T13:44:44","slug":"gate-valve-materials","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/ro\/gate-valve-materials\/","title":{"rendered":"Cum s\u0103 selecta\u021bi materialele pentru supape cu gur\u0103"},"content":{"rendered":"<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<p>Selec\u021bia materialului supapei cu gur\u0103 depinde \u00een principal de mediul fluid \u0219i de mediul de lucru. \u00cen func\u021bie de mediu \u0219i mediu diferit, selec\u021bia materialului este, de asemenea, diferit\u0103. \u00cen general, selec\u021bia materialului supapei este \u00eemp\u0103r\u021bit\u0103 \u00een trei aspecte; suprafa\u021ba de etan\u0219are a discului supapei, \u00een care corpul supapei este \u00een general realizat din o\u021bel carbon font\u0103 (font\u0103 gri font\u0103 ductil\u0103) o\u021bel inoxidabil (304 316) \u0219i placa supapei este din o\u021bel carbon din o\u021bel inoxidabil (304 316) dubl\u0103 faz\u0103 o\u021bel (2507 316) \u00cen general, suprafa\u021ba de etan\u0219are a c\u0103ptu\u0219elii de nailon cu fluor are: NBR EPDM PDEF ppl. Clien\u021bii pot alege materialul corespunz\u0103tor \u00een func\u021bie de nevoile lor reale. V\u0103 rug\u0103m s\u0103 contacta\u021bi personalul nostru de v\u00e2nz\u0103ri \u0219i a\u0219tept\u0103m cu ner\u0103bdare s\u0103 cooper\u0103m cu dvs.<\/p>\n<\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.stvvalves.com\/ro\/gate-valve-materials\/#BODY\" >CORP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.stvvalves.com\/ro\/gate-valve-materials\/#TRIM\" >TUNDE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stvvalves.com\/ro\/gate-valve-materials\/#MATERIAL_SELECTION\" >SELECTAREA MATERIALELOR<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"BODY\"><\/span>CORP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"journal-content-article\">\n<div>Corpul lui<a href=\"https:\/\/www.youtube.com\/watch?v=C5ZMLWujKGs\" target=\"_blank\" rel=\"noopener\"> Vane de \u00eenchidere<\/a>\u00a0<strong>sub 2 inci<\/strong>\u00a0este \u00een general alc\u0103tuit\u0103 din\u00a0<a href=\"https:\/\/www.stvvalves.com\/ro\/wholesale\/gate-valve\/forged-steel-gate-valve\/\">otel forjat<\/a>\u00a0(Cele mai obi\u0219nuite materiale ale caroseriei sunt ASTM A105 pentru func\u021bionare la temperatur\u0103 \u00eenalt\u0103, ASTM A350 pentru func\u021bionare la temperatur\u0103 joas\u0103 \u0219i ASTM A182 F304\/F316 pentru servicii corozive).<\/div>\n<div><\/div>\n<div>Corpurile supapelor cu gur\u0103 de dimensiuni ale alezajului\u00a0<strong>peste 2 inci<\/strong>\u00a0sunt, \u00een schimb, realizate din o\u021bel turnat (principalele clase de turnare sunt ASTM A216 WCB pentru serviciu la temperatur\u0103 \u00eenalt\u0103, ASTM A351 pentru condi\u021bii de temperatur\u0103 sc\u0103zut\u0103 \u0219i ASTM A351 CF8 \u0219i CF8M \u2013 adic\u0103 robinete cu gur\u0103 din o\u021bel inoxidabil 304 \u0219i 316).<\/div>\n<div><\/div>\n<div>\n<div class=\"row-fluid\">\n<h3><span class=\"ez-toc-section\" id=\"TRIM\"><\/span>TUNDE<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0103r\u021bile deta\u0219abile \u0219i \u00eenlocuibile ale supapei sunt definite \u00een mod colectiv ca \u201etrim\u201d (pentru o supap\u0103 cu poart\u0103: scaun, disc, bancheta din spate \u0219i tij\u0103).<br \/>\nSpecifica\u021bia API 600 prevede o serie de combina\u021bii standard de finisare, a\u0219a cum este ilustrat mai jos<\/p>\n<table width=\"752\">\n<tbody>\n<tr>\n<th>API TRIM #<\/th>\n<th>MATERIAL DE BAZA<\/th>\n<th>MATERIAL PENTRU SCAZ<\/th>\n<th>MATERIAL PENTRU DISC<\/th>\n<th>LOCUL DIN SPATE<br \/>\nMATERIAL<\/th>\n<th>MATERIAL PENTRU STEM<\/th>\n<\/tr>\n<tr>\n<th>1<\/th>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>2<\/th>\n<td>304<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<\/tr>\n<tr>\n<th>3<\/th>\n<td>F310<\/td>\n<td>310<\/td>\n<td>310<\/td>\n<td>310<\/td>\n<td>310<\/td>\n<\/tr>\n<tr>\n<th>4<\/th>\n<td>Greu 410<\/td>\n<td>Greu 410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>5<\/th>\n<td>Cu o expresie sever\u0103<\/td>\n<td>Stellit<\/td>\n<td>Stellit<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>5A<\/th>\n<td>Cu o expresie sever\u0103<\/td>\n<td>Ni-Cr<\/td>\n<td>Ni-Cr<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>6<\/th>\n<td>410 \u0219i Cu-Ni<\/td>\n<td>Cu-Ni<\/td>\n<td>Cu-Ni<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>7<\/th>\n<td>410 \u0219i Hard 410<\/td>\n<td>Greu 410<\/td>\n<td>Greu 410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>8<\/th>\n<td>410 \u0219i Hardfaced<\/td>\n<td>Stellit<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>8A<\/th>\n<td>410 \u0219i Hardfaced<\/td>\n<td>Ni-Cr<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<td>410<\/td>\n<\/tr>\n<tr>\n<th>9<\/th>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<\/tr>\n<tr>\n<th>10<\/th>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<\/tr>\n<tr>\n<th>11<\/th>\n<td>Monel<\/td>\n<td>Stellit<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<td>Monel<\/td>\n<\/tr>\n<tr>\n<th>12<\/th>\n<td>316 \u0219i Hardfaced<\/td>\n<td>Stellit<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<\/tr>\n<tr>\n<th>13<\/th>\n<td>Aliaj 20<\/td>\n<td>Aliaj 20<\/td>\n<td>Aliaj 20<\/td>\n<td>Aliaj 20<\/td>\n<td>Aliaj 20<\/td>\n<\/tr>\n<tr>\n<th>14<\/th>\n<td>Aliaj 20 \u0219i Hardfaced<\/td>\n<td>Stellit<\/td>\n<td>Aliaj 20<\/td>\n<td>Aliaj 20<\/td>\n<td>Aliaj 20<\/td>\n<\/tr>\n<tr>\n<th>15<\/th>\n<td>304 \u0219i Hardfaced<\/td>\n<td>Stellit<\/td>\n<td>Stellit<\/td>\n<td>304<\/td>\n<td>304<\/td>\n<\/tr>\n<tr>\n<th>16<\/th>\n<td>316 \u0219i Hardfaced<\/td>\n<td>Stellit<\/td>\n<td>Stellit<\/td>\n<td>316<\/td>\n<td>316<\/td>\n<\/tr>\n<tr>\n<th>17<\/th>\n<td>347 \u0219i Hardfaced<\/td>\n<td>Stellit<\/td>\n<td>Stellit<\/td>\n<td>347<\/td>\n<td>347<\/td>\n<\/tr>\n<tr>\n<th>18<\/th>\n<td>Aliaj 20 \u0219i Hardfaced<\/td>\n<td>Stellit<\/td>\n<td>Stellit<\/td>\n<td>Aliaj 20<\/td>\n<td>Aliaj 20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"MATERIAL_SELECTION\"><\/span>SELECTAREA MATERIALELOR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<table>\n<tbody>\n<tr>\n<th>TUNDE<\/th>\n<th>SERVICIUL RECOMANDAT<\/th>\n<\/tr>\n<tr>\n<td><strong>13% Cr, o\u021bel inoxidabil tip 410<\/strong><\/td>\n<td>Pentru ulei \u0219i vapori de ulei \u0219i servicii generale cu scaune \u0219i pene tratate termic.<\/td>\n<\/tr>\n<tr>\n<td><strong>13% Cr, Tip 410 plus Hardfacing<\/strong><\/td>\n<td>Garnitur\u0103 universal\u0103 pentru service general care necesit\u0103 o durat\u0103 lung\u0103 de via\u021b\u0103 de p\u00e2n\u0103 la 1100\u00b0F (593\u00b0C).*<\/td>\n<\/tr>\n<tr>\n<td><strong>Tip 316 Inoxidabil<\/strong><\/td>\n<td>Pentru lichide \u0219i gaze care sunt corozive pentru o\u021bel inoxidabil 410, p\u00e2n\u0103 la 1000\u00b0F (537\u00b0C).*<\/td>\n<\/tr>\n<tr>\n<td><strong>Monel<\/strong><\/td>\n<td>Pentru servicii corozive la 842\u00b0F (450\u00b0C), cum ar fi acizi, alcalii, solu\u021bii de sare etc.<\/td>\n<\/tr>\n<tr>\n<td><strong>Aliaj 20<\/strong><\/td>\n<td>Pentru servicii corozive, cum ar fi acizii fierbin\u021bi -49\u00b0F p\u00e2n\u0103 la 608\u00b0F (-45\u00b0C p\u00e2n\u0103 la 320\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td><strong>NACE<\/strong><\/td>\n<td>Trim 316 sau 410 tratat special, combinat op\u021bional cu \u0219uruburi B7M \u0219i<br \/>\nPiuli\u021be 2HM pentru a \u00eendeplini cerin\u021bele NACE MR-01-75.<\/td>\n<\/tr>\n<tr>\n<td><strong>Stellit complet<\/strong><\/td>\n<td>Garnitur\u0103 complet\u0103 cu fa\u021b\u0103 dur\u0103, potrivit\u0103 pentru lucr\u0103ri abrazive \u0219i severe p\u00e2n\u0103 la 1200\u00b0F (650\u00b0C).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The material selection of gate valve mainly depends on the fluid medium and working environment. According to the different medium and environment, the material selection is also different. Generally speaking, the material selection of valve is divided into three aspects; the sealing surface of valve disc, in which the valve body is generally made of [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":5742,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[135,1456],"class_list":["post-5733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-gate-valve","tag-gate-valve-materials"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts\/5733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/comments?post=5733"}],"version-history":[{"count":7,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts\/5733\/revisions"}],"predecessor-version":[{"id":5743,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts\/5733\/revisions\/5743"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/media\/5742"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/media?parent=5733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/categories?post=5733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/tags?post=5733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}