{"id":7665,"date":"2025-04-03T16:21:29","date_gmt":"2025-04-03T16:21:29","guid":{"rendered":"https:\/\/www.pecta.pt\/produto\/circular-sight-glass-fitting-type-321-pn-10-25-din-28121\/"},"modified":"2025-04-03T16:21:29","modified_gmt":"2025-04-03T16:21:29","slug":"circular-sight-glass-fitting-type-321-pn-10-25-din-28121","status":"publish","type":"product","link":"https:\/\/www.pecta.pt\/en\/produto\/circular-sight-glass-fitting-type-321-pn-10-25-din-28121\/","title":{"rendered":"Circular sight glass fitting type 321 &#8211; PN 10\/25 &#8211; DIN 28121"},"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>Model 321 is supplied pre-assembled from the factory and can be bolted directly onto the flange in accordance with DIN EN 1092-1 without any additional effort being required.<\/p>\n<p>The 321 model is constructed from high-quality 1.4571 (316Ti) stainless steel, which is highly valued by our customers. The glass used is industry-proven borosilicate glass 3.3, in accordance with DIN 7080 (or equivalent). <\/p>\n<p>If the process conditions pose a problem even for highly resistant borosilicate glass, a specially adapted protective mica or FEP screen for the connection provides additional protection against steam and aggressive chemicals, such as alkalis with a pH of up to 14.<\/p>\n<p>Como outros visores circulares de produto, o modelo 321 pode ser equipado com escovas tipo SWI, dispositivos de pulveriza\u00e7\u00e3o e luzes mediante pedido.<\/p>\n<section style=\"max-width: 1000px; margin: 0 auto;\">\n<h4>TECHNICAL SPECIFICATIONS &#8211; Circular sight glass fitting type 321<\/h4>\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;\">Base Flange: 1.4571 (standard)<br \/>\nCover Flange: 1.4571 (standard)<br \/>\nOther materials on request<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Shape:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">In accordance with DIN 28121<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Seals:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">PTFE<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Nominal size:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">DN40 to DN200<\/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 200\u00b0C with borosilicate glass complying with or similar to DIN 7080<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ccc;\"><strong>Options:<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ccc;\">Wiper SGW with PTFE or silicone wiper blade<br \/>\nLED light for Ex and non-Ex areas<br \/>\nSpraying device SVII<br \/>\nFEP or Halar\u00ae coating<br \/>\nMica protection disc<br \/>\nSpecial constructions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- V\u00eddeo incorporado --><\/p>\n<div style=\"margin: 30px auto; max-width: 800px;\"><iframe src=\"https:\/\/www.youtube.com\/embed\/hW4SrFximB8\" width=\"100%\" height=\"450\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div style=\"text-align: center;\"><a href=\"https:\/\/www.aci24.com\/en\/products\/sight-glasses\/sight-glass-fittings\/round-tank-sight-glass\/sightglass-din28121.html\" rel=\"noopener\" target=\"_blank\">Website ACI \u2013 Circular sight glass fitting type 321<\/a><\/div>\n<p><a style=\"position: absolute; left: -9999px;\" href=\"https:\/\/www.pecta.pt\/en\/category\/aci\/\">ACI<\/a><\/p>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In accordance with DIN 28121<\/p>\n<div>Type 321 circular sight glasses are bolted onto flanges in accordance with DIN EN 1092-1 to allow the interior of the vessel to be viewed or illuminated. The 321 sight glass is designed in accordance with DIN 28121 and can easily be used to replace existing fittings that comply with DIN 28121. A sight glass made of highly chemically resistant borosilicate glass to DIN 7080 (or similar) is secured between two high-quality stainless steel flanges and PTFE seals. This sight glass complies with all defined operating standards and is designed for an operating pressure of up to 25 bar(g).   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accordance with DIN 28121 Type 321 circular sight glasses are bolted onto flanges in accordance with DIN EN 1092-1 to allow the interior of the vessel to be viewed or illuminated. The 321 sight glass is designed in accordance with DIN 28121 and can easily be used to replace existing fittings that comply with&hellip;","_links":{"self":[{"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product\/7665","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\/5080"}],"wp:attachment":[{"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/media?parent=7665"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product_brand?post=7665"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product_cat?post=7665"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.pecta.pt\/en\/wp-json\/wp\/v2\/product_tag?post=7665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}