{"id":5745,"date":"2021-03-07T00:45:54","date_gmt":"2021-03-07T00:45:54","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5745"},"modified":"2021-03-07T00:52:05","modified_gmt":"2021-03-07T00:52:05","slug":"gate-valve-dimensions","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/it\/gate-valve-dimensions\/","title":{"rendered":"Dimensioni della valvola a saracinesca"},"content":{"rendered":"<p>Nelle tabelle sono riportate le dimensioni ed i pesi di <a href=\"https:\/\/www.stvvalves.com\/it\/products\/24-inch-api-600-carbon-steel-flanged-gate-valve-ansi-150lb-gear-box-op\/\">Valvole a saracinesca API 600<\/a> (cofano imbullonato \/ stelo rialzato)<\/p>\n<p>CLASSE 150LB-2500LB<\/p>\n<p>Dimensioni in pollici (millimetri)<\/p>\n<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<div class=\"content\">\n<div class=\"row-fluid\">\n<div class=\"row-fluid\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-5746\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/150LB-GATE-VALVE.jpg\" alt=\"\" width=\"558\" height=\"697\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/150LB-GATE-VALVE.jpg 558w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/150LB-GATE-VALVE-240x300.jpg 240w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div class=\"content\">\n<div class=\"row-fluid\">\n<div class=\"row-fluid\">\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<p>&nbsp;<\/p>\n<\/div>\n<h3><span style=\"font-size: 16px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-5747\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/300LB-GATE-VALVE.jpg\" alt=\"\" width=\"559\" height=\"707\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/300LB-GATE-VALVE.jpg 559w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/300LB-GATE-VALVE-237x300.jpg 237w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/300LB-GATE-VALVE-557x705.jpg 557w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><br \/>\n<\/span><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><span style=\"font-size: 16px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-5748\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/600LB-900LB.png\" alt=\"\" width=\"564\" height=\"708\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/600LB-900LB.png 564w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/600LB-900LB-239x300.png 239w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/600LB-900LB-562x705.png 562w\" sizes=\"auto, (max-width: 564px) 100vw, 564px\" \/><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<h3><\/h3>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-5749\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/1500LB-2500LB.jpg\" alt=\"\" width=\"581\" height=\"708\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/1500LB-2500LB.jpg 581w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/1500LB-2500LB-246x300.jpg 246w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/1500LB-2500LB-579x705.jpg 579w\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" \/><\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"content\">\n<div class=\"row-fluid\">\n<div class=\"content\">\n<div class=\"row-fluid\">\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<h2><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><\/h2>\n<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<div class=\"content\">\n<div class=\"row-fluid\">\n<div class=\"content\">\n<div class=\"row-fluid\">\n<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<div class=\"content\">\n<div class=\"row-fluid\">\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<div class=\"content\">\n<div class=\"row-fluid\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10065\" title=\"API della valvola a saracinesca dei disegni di assemblaggio generale\" src=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/gate-valve-parts.png\" sizes=\"auto, (max-width: 395px) 100vw, 395px\" srcset=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/gate-valve-parts.png 426w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/gate-valve-parts-257x300.png 257w\" alt=\"Gate valve parts\" width=\"395\" height=\"461\" \/><br \/>\nDiagramma della valvola a saracinesca che mostra le parti principali di una valvola a saracinesca per le tubazioni<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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:\/\/www.stvvalves.com\/it\/gate-valve-dimensions\/#WEDGE_TYPES\" >TIPI DI CUNEO<\/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\/it\/gate-valve-dimensions\/#STEM_TYPES\" >TIPI DI STELO<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stvvalves.com\/it\/gate-valve-dimensions\/#GATE_VALVE_DIAGRAM\" >SCHEMA DELLA VALVOLA A SARACINESCA<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.stvvalves.com\/it\/gate-valve-dimensions\/#OS_Y_VS_IS_Y_DESIGN\" >OS&amp;Y VS. DESIGN IS&amp;Y<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"WEDGE_TYPES\"><\/span>TIPI DI CUNEO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>L&#039;immagine seguente mostra come il cuneo della valvola a saracinesca apre e chiude il flusso del fluido mediante l&#039;applicazione di un movimento verticale (che pu\u00f2 essere manuale o azionato da un attuatore).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" title=\"Design a cuneo della valvola a saracinesca\" src=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/gate-valve-open-close.png\" alt=\"Gate valves open and close function\" width=\"334\" height=\"213\" \/><br \/>\nIl cuneo \u00e8 posizionato tra due sedi parallele (o oblique) e perpendicolari al flusso. Il fluido scorre orizzontalmente attraverso le saracinesche e non \u00e8 soggetto a perdite di carico. I cunei possono essere di diversi tipi:<\/p>\n<ul>\n<li>\u201c<strong>cuneo solido<\/strong>\u201d (in questo caso il cuneo \u00e8 realizzato con un solido pezzo di acciaio)<\/li>\n<li>\u201c<strong>cuneo flessibile<\/strong>\u201d (in questo caso il disco presenta dei tagli attorno al suo perimetro per migliorare la capacit\u00e0 della valvola di correggere le variazioni dell&#039;angolo tra le sedi)<\/li>\n<li>\u201c<strong>cuneo diviso<\/strong>\u201d (disco di costruzione in due pezzi, per rinforzare l&#039;autoallineamento del cuneo sui sedili)<\/li>\n<li>\u201c<strong>cuneo a scorrimento parallelo<\/strong>\u201c<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10111\" title=\"Tipo di valvole a saracinesca a cuneo\" src=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/gate-wedge-types.jpg\" sizes=\"auto, (max-width: 335px) 100vw, 335px\" srcset=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/gate-wedge-types.jpg 358w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/gate-wedge-types-262x300.jpg 262w\" alt=\"Wedge types for gate valves\" width=\"335\" height=\"384\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"STEM_TYPES\"><\/span>TIPI DI STELO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Una valvola a saracinesca pu\u00f2 avere uno stelo ascendente (in questo caso, lo stelo si alza sopra il volantino se la valvola \u00e8 aperta) o uno stelo non ascendente (lo stelo non si muove sopra la valvola quando \u00e8 aperta).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10144\" title=\"Tipi di stelo per valvole a saracinesca\" src=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2018\/04\/rising-and-non-rising-stem.jpg\" sizes=\"auto, (max-width: 692px) 100vw, 692px\" srcset=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2018\/04\/rising-and-non-rising-stem.jpg 1909w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2018\/04\/rising-and-non-rising-stem-300x117.jpg 300w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2018\/04\/rising-and-non-rising-stem-768x299.jpg 768w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2018\/04\/rising-and-non-rising-stem-1024x398.jpg 1024w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2018\/04\/rising-and-non-rising-stem-1568x609.jpg 1568w\" alt=\"Rising and non rising stem of gate valves\" width=\"692\" height=\"269\" \/><\/p>\n<h3><\/h3>\n<h2><span class=\"ez-toc-section\" id=\"GATE_VALVE_DIAGRAM\"><\/span><span style=\"font-size: 16px;\">SCHEMA DELLA VALVOLA A SARACINESCA<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<div class=\"content\">\n<div class=\"portlet-body\">\n<div class=\"journal-content-article\">\n<div class=\"content\">\n<p class=\"row-fluid\">Lo schema della valvola a saracinesca mostra il disegno di assieme standard di una valvola a saracinesca. Sono possibili molte varianti di progettazione, a seconda della configurazione delle parti della valvola a saracinesca:<\/p>\n<div class=\"row-fluid\">\n<ul>\n<li>costruzione del materiale del corpo: forgiato o fuso<\/li>\n<li>design e connessione del coperchio: pu\u00f2 essere standard o con tenuta a pressione (valvole a saracinesca ad alta pressione), coperchio imbullonato\/saldato, ecc.<\/li>\n<li>estremit\u00e0 di connessione: le valvole a saracinesca sono disponibili con\u00a0<a href=\"https:\/\/blog.projectmaterials.com\/valves\/valve-parts\/\" target=\"_blank\" rel=\"noopener\">progetti di estremit\u00e0 di valvole multiple<\/a>\u00a0(saldatura a tasca e filettata per saracinesche forgiate e saldatura di testa per saracinesche con corpo fuso)<\/li>\n<li>tipo a cuneo (solido\/flessibile\/diviso\/slitta parallela): vedere i dettagli di seguito in questo articolo<\/li>\n<li>tipo di stelo (ascendente\/non ascendente): vedere i dettagli di seguito<\/li>\n<li>norma di produzione: le valvole a saracinesca API e EN hanno design leggermente diversi<\/li>\n<li>tipo di funzionamento della valvola: azionamento manuale, a ingranaggi o pneumatico\/idraulico\/elettrico<\/li>\n<li>eccetera.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"OS_Y_VS_IS_Y_DESIGN\"><\/span>OS&amp;Y VS. DESIGN IS&amp;Y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00c8 molto frequente vedere il termine \u201cOS&amp;Y\u201d associato alle valvole a saracinesca.<br \/>\nQuesto termine significa che quando la maniglia di una valvola a saracinesca viene ruotata per aprire o chiudere la valvola, si alza e si abbassa direttamente il disco interagendo con lo stelo della valvola.<\/p>\n<p>In una \u201cvalvola a saracinesca OS&amp;Y\u201d, lo stelo della valvola stessa si alza e si abbassa all&#039;esterno del corpo della valvola in modo ben visibile, mentre la maniglia rimane in una posizione fissa.<\/p>\n<p>Quando lo stelo si solleva, il disco interno al corpo della valvola si solleva dalla sede lasciando fluire il fluido attraverso la valvola (valvola in posizione aperta).<br \/>\nPertanto, con una valvola a saracinesca OS&amp;Y, la posizione effettiva di una valvola (chiusa o aperta) \u00e8 sempre evidente agli operatori.<\/p>\n<p>Diversamente, la posizione della valvola non \u00e8 immediatamente visibile per le \u201cvalvole a saracinesca IS&amp;Y\u201d (all&#039;interno della vite e del giogo), poich\u00e9 lo stelo della valvola non si alza o si abbassa all&#039;esterno della valvola quando si ruota la maniglia.<\/p>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12249\" src=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/osy-gate-valve-1.png\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" srcset=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/osy-gate-valve-1.png 250w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/osy-gate-valve-1-150x148.png 150w\" alt=\"\" width=\"350\" height=\"344\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The tables show the dimensions and weights of API 600 gate valves (bolted bonnet \/ rising stem) CLASS 150LB-2500LB Dimensions in inches (millimeters) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Gate valve diagram showing the key parts of a gate valve for piping WEDGE TYPES The image below shows how the gate valve wedge opens and closes [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":5750,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[1459,1457,1460,1458,1461],"class_list":["post-5745","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-gate-valve-diagram","tag-gate-valves","tag-osy-vs-isy-design","tag-size-of-gate-valve","tag-wedge-of-gate-valve"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/posts\/5745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/comments?post=5745"}],"version-history":[{"count":6,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/posts\/5745\/revisions"}],"predecessor-version":[{"id":5756,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/posts\/5745\/revisions\/5756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/media\/5750"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/media?parent=5745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/categories?post=5745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/it\/wp-json\/wp\/v2\/tags?post=5745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}