{"id":7093,"date":"2025-10-24T14:10:16","date_gmt":"2025-10-24T14:10:16","guid":{"rendered":"https:\/\/www.pecta.pt\/produto\/tubular-sight-glass-type-671-pn-25-40-din-en-1092-1\/"},"modified":"2026-03-31T13:41:33","modified_gmt":"2026-03-31T13:41:33","slug":"tubular-sight-glass-type-671-pn-25-40-din-en-1092-1","status":"publish","type":"product","link":"https:\/\/www.pecta.pt\/en\/produto\/tubular-sight-glass-type-671-pn-25-40-din-en-1092-1\/","title":{"rendered":"Tubular Sight Glass Type 671 &#8211; PN 25\/40 &#8211; DIN EN 1092-1"},"content":{"rendered":"<div id=\"divEspecific3\">\n<div class=\"product-text\">\n<section class=\"page-section\">\n<div class=\"container\">\n<div class=\"tabs-wrapper content-tabs\">\n<div class=\"tab-content\">\n<div id=\"item-description\" class=\"tab-pane fade in active\">\n<p data-start=\"628\" data-end=\"895\">The <strong data-start=\"629\" data-end=\"641\">type 671<\/strong> was designed for <strong data-start=\"661\" data-end=\"696\">working pressures up to 40 bar<\/strong> and can be easily installed <strong data-start=\"729\" data-end=\"781\">between standardised flanges according to DIN EN 1092-1<\/strong>, making it ideal for <strong data-start=\"800\" data-end=\"840\">retrofits in existing systems<\/strong>, even in <strong data-start=\"851\" data-end=\"872\">confined spaces<\/strong>.<\/p>\n<p data-start=\"897\" data-end=\"1071\">Even in <strong data-start=\"884\" data-end=\"916\">larger nominal sizes<\/strong>, type 671 ensures <strong data-start=\"937\" data-end=\"972\">operating pressures up to 20 bar<\/strong>, maintaining <strong data-start=\"983\" data-end=\"1006\">high reliability<\/strong> and <strong data-start=\"1009\" data-end=\"1039\">full 360\u00b0 visibility<\/strong> of the process fluid.<\/p>\n<p>The standard version is equipped with  <strong data-start=\"1141\" data-end=\"1170\">borosilicate glass 3.3<\/strong>, in accordance with  <strong data-start=\"1181\" data-end=\"1197\">DIN ISO 3585<\/strong>, resistant to  <strong data-start=\"1212\" data-end=\"1251\">operating temperatures up to 280 \u00b0C<\/strong>.<br data-start=\"1252\" data-end=\"1255\">This high-quality glass is distinguished by its <strong data-start=\"1306\" data-end=\"1350\">exceptional thermal and chemical resistance<\/strong>, providing <strong data-start=\"1367\" data-end=\"1411\">transparency and extended durability<\/strong> even under demanding conditions.<\/p>\n<h5><span style=\"font-size: 1.3em; font-weight: bold;\">TECHNICAL DATA \u2013 Tubular Sight Glass Type 671<\/span><\/h5>\n<\/div>\n<div id=\"item-description\" class=\"tab-pane fade in active\">\n<table style=\"width: 100%; border-collapse: collapse; font-family: sans-serif;\">\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Flange Material:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">Stainless Steel (316 Ti) \u2013 1.4571<br \/>\nOther alloys according to customer specifications<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Form:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">Tubular Sight Glass<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Gaskets:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">KlingerSil\u00ae C4400<br \/>\nPTFE, FKM, NBR, Silicone, EPDM, Graphite<br \/>\nMore than 50 other sealing materials available upon request<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Nominal Size (DN):<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">DN10 to DN150<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Nominal Pressure (PN):<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">PN25 \/ PN40<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Temperature \/ Glass:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">up to 280 \u00b0C with borosilicate glass 3.3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- V\u00eddeo incorporado --><\/p>\n<div style=\"margin: 30px auto; max-width: 800px;\"><iframe title=\"Durchflussschauglas Typ 670 \u2013 ACI Industriearmaturen GmbH\" src=\"https:\/\/www.youtube.com\/embed\/oTmgoQ4ce3c\" width=\"1074\" height=\"604\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div style=\"text-align: center;\"><a href=\"https:\/\/aci24.com\/en\/products\/flow-sight-glasses\/product\/675-tubular-sight-glass-type-671-pn-25-40\" rel=\"noopener\" target=\"_blank\">ACI Website \u2013 Tubular Sight Glass Type 671<\/a><a style=\"position: absolute; left: -9999px;\" href=\"https:\/\/www.pecta.pt\/en\/category\/aci\/\">ACI<span style=\"font-size: 16px; color: #3a3a3a;\">Useful Links:<\/span><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p data-start=\"137\" data-end=\"264\">Intermediate flange for connections according to DIN EN 1092-1<\/p>\n<p data-start=\"349\" data-end=\"616\">The <strong data-start=\"399\" data-end=\"425\">tubular sight glass type 671<\/strong> represents an <strong data-start=\"441\" data-end=\"472\">extremely robust version<\/strong> of the ACI tubular sight glass range, specially developed for <strong data-start=\"539\" data-end=\"569\">high-pressure applications<\/strong> requiring <strong data-start=\"581\" data-end=\"624\">maximum safety and mechanical strength<\/strong>.<\/p>\n<p data-start=\"266\" data-end=\"409\">\n","protected":false},"featured_media":5419,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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flange for connections according to DIN EN 1092-1 The tubular sight glass type 671 represents an extremely robust version of the ACI tubular sight glass range, specially developed for high-pressure applications requiring maximum safety and mechanical strength.","_links":{"self":[{"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product\/7093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/media\/5419"}],"wp:attachment":[{"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/media?parent=7093"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product_brand?post=7093"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product_cat?post=7093"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product_tag?post=7093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}