{"id":5606,"date":"2020-05-13T08:22:54","date_gmt":"2020-05-13T08:22:54","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5606"},"modified":"2025-08-10T14:17:01","modified_gmt":"2025-08-10T06:17:01","slug":"sight-glass-purpose-and-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/","title":{"rendered":"Sight Glass: Purpose and Maintenance Guide"},"content":{"rendered":"<p>O prop\u00f3sito de um\u00a0<a href=\"https:\/\/www.ljstar.com\/sight-glass-application-handbook\/\" target=\"_blank\" rel=\"noopener\">\u00e9<\/a><a href=\"https:\/\/www.stvvalves.com\/pt\/product\/stainless-steel-double-window-sight-glass-flanged-type\/\">vidro claro<\/a>\u00a0\u00e9 permitir que gerentes e engenheiros de f\u00e1brica olhem para dentro de seus sistemas sem perturbar o ambiente interno. Muitas vezes chamados de \u00f3culos de visualiza\u00e7\u00e3o, eles oferecem uma maneira de ver os n\u00edveis de l\u00edquidos ou gases que est\u00e3o passando por um ponto cr\u00edtico do seu projeto, monitorar mudan\u00e7as de press\u00e3o e praticamente qualquer outra coisa que as janelas de visualiza\u00e7\u00e3o possam permitir que voc\u00ea fa\u00e7a. Com seu uso generalizado, os visores tornaram-se essenciais para opera\u00e7\u00f5es como tubula\u00e7\u00f5es de vapor, processamento qu\u00edmico, processamento farmac\u00eautico e processamento de alimentos.<\/p>\r\n\r\n\r\n\r\n<p>O gasoduto <a href=\"https:\/\/www.stvvalves.com\/pt\/products\/stainless-steel-double-window-sight-glass-flanged-type\/\">visor de vidro<\/a> \u00e9 um dos principais acess\u00f3rios do dispositivo de tubula\u00e7\u00e3o industrial. Ele pode observar a rea\u00e7\u00e3o do fluxo de g\u00e1s, l\u00edquido, vapor e outros meios na tubula\u00e7\u00e3o a qualquer momento, monitorar a produ\u00e7\u00e3o e evitar acidentes no processo produtivo. Frequentemente usado em tubula\u00e7\u00f5es de produ\u00e7\u00e3o qu\u00edmica, de fibra qu\u00edmica, de petr\u00f3leo, farmac\u00eautica e outras<\/p>\r\n\r\n\r\n\r\n<p>Repara\u00e7\u00e3o e manuten\u00e7\u00e3o de espelho tubular<\/p>\r\n\r\n\r\n\r\n<ol class=\"wp-block-list\">\r\n<li>O Visor \u00e9 utilizado para observar o fluxo de gases, l\u00edquidos, vapor e outros equipamentos de rea\u00e7\u00e3o de meios, o vidro da janela deve ser mantido limpo e sem poeira;<\/li>\r\n<li>O Visor do espelho pertence \u00e0 parte danificada apropriada, que deve ser manuseada com cuidado na instala\u00e7\u00e3o do espelho;<\/li>\r\n<li>There are some limitations in the temperature and pressure resistance of Sight Glass.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><\/figure>\r\n<div id=\"attachment_8250\" style=\"width: 966px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-8250\" class=\"wp-image-8250 size-full\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass.jpg\" alt=\"china stainless steel sight glass manufacture\" width=\"956\" height=\"655\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass.jpg 956w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass-300x206.jpg 300w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass-768x526.jpg 768w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass-18x12.jpg 18w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass-705x483.jpg 705w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass-450x308.jpg 450w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2020\/05\/Stainless-Steel-Sight-Glass-600x411.jpg 600w\" sizes=\"auto, (max-width: 956px) 100vw, 956px\" \/><p id=\"caption-attachment-8250\" class=\"wp-caption-text\">china stainless steel sight glass manufacture<\/p><\/div>\r\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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#Introduction\" >Introdu\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#Purpose_of_a_Sight_Glass\" >Purpose of a Sight Glass<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#1_Visual_Process_Monitoring\" >1. Visual Process Monitoring<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#2_Safety_Leak_Detection\" >2. Safety &amp; Leak Detection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#3_Quality_Control_in_Sanitary_Industries\" >3. Quality Control in Sanitary Industries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#4_Pressure_Temperature_Indication\" >4. Pressure &amp; Temperature Indication<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#Types_of_Sight_Glasses\" >Types of Sight Glasses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#Sight_Glass_Maintenance_Instructions\" >Sight Glass Maintenance Instructions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#1_Regular_Inspection\" >1. Regular Inspection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#2_Cleaning_Procedures\" >2. Cleaning Procedures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#3_Seal_Gasket_Maintenance\" >3. Seal &amp; Gasket Maintenance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#4_Pressure_Temperature_Checks\" >4. Pressure &amp; Temperature Checks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#5_Preventing_Condensation_Fogging\" >5. Preventing Condensation &amp; Fogging<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#6_Safe_Handling_During_Replacement\" >6. Safe Handling During Replacement<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#When_to_Replace_a_Sight_Glass\" >When to Replace a Sight Glass?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.stvvalves.com\/pt\/sight-glass-purpose-and-maintenance-guide\/#Conclusion\" >Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong>Introdu\u00e7\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p class=\"ds-markdown-paragraph\">A\u00a0<strong>visor de vidro<\/strong>\u00a0is a transparent window installed in tanks, pipelines, and industrial equipment to allow visual monitoring of fluid levels, flow, and process conditions. Commonly used in\u00a0<strong>chemical plants, oil refineries, power generation, and food processing<\/strong>, sight glasses ensure safe and efficient operations.<\/p>\r\n<p class=\"ds-markdown-paragraph\">In this blog, we\u2019ll cover:<br \/>\u2714\u00a0<strong>Key Purposes of a Sight Glass<\/strong><br \/>\u2714\u00a0<strong>Types of Sight Glasses<\/strong><br \/>\u2714\u00a0<strong>Maintenance Best Practices<\/strong><\/p>\r\n<hr \/>\r\n<h2><span class=\"ez-toc-section\" id=\"Purpose_of_a_Sight_Glass\"><\/span><strong>Purpose of a Sight Glass<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<h3><span class=\"ez-toc-section\" id=\"1_Visual_Process_Monitoring\"><\/span><strong>1. Visual Process Monitoring<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Allows operators to check\u00a0<strong>liquid levels, flow rates, and fluid clarity<\/strong>\u00a0without opening the system.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Essential for boilers, reactors, and storage tanks.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"2_Safety_Leak_Detection\"><\/span><strong>2. Safety &amp; Leak Detection<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Helps detect\u00a0<strong>contamination, phase separation, or gas bubbles<\/strong>\u00a0in pipelines.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Prevents overfilling or dry-running of pumps.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"3_Quality_Control_in_Sanitary_Industries\"><\/span><strong>3. Quality Control in Sanitary Industries<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Used in\u00a0<strong>pharmaceutical, food, and beverage<\/strong>\u00a0industries to ensure hygienic conditions.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Complies with\u00a0<strong>FDA, EHEDG, and 3-A standards<\/strong>.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"4_Pressure_Temperature_Indication\"><\/span><strong>4. Pressure &amp; Temperature Indication<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Some sight glasses include\u00a0<strong>pressure-resistant glass (borosilicate)<\/strong>\u00a0for high-P\/T applications.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<hr \/>\r\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Sight_Glasses\"><\/span><strong>Types of Sight Glasses<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<div class=\"markdown-table-wrapper\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th><strong>Tipo<\/strong><\/th>\r\n<th><strong>Aplicativo<\/strong><\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td><strong>Flanged Sight Glass<\/strong><\/td>\r\n<td>High-pressure systems (steam, chemicals)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Tubular Sight Glass<\/strong><\/td>\r\n<td>Liquid level indication in tanks<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Reflex Sight Glass<\/strong><\/td>\r\n<td>Distinguishes liquid\/gas phases (e.g., fuel tanks)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Illuminated Sight Glass<\/strong><\/td>\r\n<td>Low-light environments (pharma, labs)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Circular Window Sight Glass<\/strong><\/td>\r\n<td>Small inspection points (pumps, filters)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<hr \/>\r\n<h2><span class=\"ez-toc-section\" id=\"Sight_Glass_Maintenance_Instructions\"><\/span><strong>Sight Glass Maintenance Instructions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p class=\"ds-markdown-paragraph\">Proper maintenance ensures\u00a0<strong>longevity, safety, and accuracy<\/strong>. Follow these steps:<\/p>\r\n<h3><span class=\"ez-toc-section\" id=\"1_Regular_Inspection\"><\/span><strong>1. Regular Inspection<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Check for\u00a0<strong>cracks, cloudiness, or leaks<\/strong>\u00a0around the seal.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Replace damaged glass immediately to prevent ruptures.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"2_Cleaning_Procedures\"><\/span><strong>2. Cleaning Procedures<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Use\u00a0<strong>non-abrasive cleaners<\/strong>\u00a0(isopropyl alcohol for grease, mild detergent for general cleaning).<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Avoid\u00a0<strong>scratching the glass<\/strong>\u2014use soft cloths or sponges.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Para\u00a0<strong>sanitary industries<\/strong>, follow CIP (Clean-in-Place) protocols.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"3_Seal_Gasket_Maintenance\"><\/span><strong>3. Seal &amp; Gasket Maintenance<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Inspect\u00a0<strong>O-rings, gaskets, and sealing surfaces<\/strong>\u00a0for wear.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Replace if\u00a0<strong>hardened, cracked, or deformed<\/strong>.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Use compatible materials (EPDM, Viton, PTFE) for chemical resistance.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"4_Pressure_Temperature_Checks\"><\/span><strong>4. Pressure &amp; Temperature Checks<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Ensure the sight glass is rated for the system\u2019s\u00a0<strong>max P\/T<\/strong>.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Avoid\u00a0<strong>thermal shock<\/strong>\u2014gradually heat\/cool the system.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"5_Preventing_Condensation_Fogging\"><\/span><strong>5. Preventing Condensation &amp; Fogging<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Use\u00a0<strong>heated sight glasses<\/strong>\u00a0or\u00a0<strong>anti-fog coatings<\/strong>\u00a0in humid environments.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3><span class=\"ez-toc-section\" id=\"6_Safe_Handling_During_Replacement\"><\/span><strong>6. Safe Handling During Replacement<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Isolate the system and\u00a0<strong>depressurize<\/strong>\u00a0before removal.<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\">Use\u00a0<strong>protective gloves and goggles<\/strong>\u00a0when handling broken glass.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<hr \/>\r\n<h2><span class=\"ez-toc-section\" id=\"When_to_Replace_a_Sight_Glass\"><\/span><strong>When to Replace a Sight Glass?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<ul>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\"><strong>Visible cracks or chips<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\"><strong>Persistent leaks<\/strong>\u00a0(even after seal replacement)<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\"><strong>Discoloration or cloudiness<\/strong>\u00a0obstructing visibility<\/p>\r\n<\/li>\r\n<li>\r\n<p class=\"ds-markdown-paragraph\"><strong>Failed pressure tests<\/strong><\/p>\r\n<\/li>\r\n<\/ul>\r\n<hr \/>\r\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclus\u00e3o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n<p class=\"ds-markdown-paragraph\">A\u00a0<strong>visor de vidro<\/strong>\u00a0is a simple yet vital component for\u00a0<strong>process monitoring, safety, and efficiency<\/strong>. Proper\u00a0<strong>inspection, cleaning, and seal maintenance<\/strong>\u00a0can extend its lifespan and prevent failures.<\/p>\r\n<p class=\"ds-markdown-paragraph\"><strong>Need help selecting or maintaining a sight glass?<\/strong>\u00a0Consult an expert to ensure optimal performance in your application!<\/p>","protected":false},"excerpt":{"rendered":"<p>The purpose of a\u00a0sight glass\u00a0is to allow plant managers and engineers to look inside of their systems without disrupting the environment within. Often referred to as viewing glasses, they offer you a way to see the levels of liquids or gases that are traveling through a critical point of your design, monitor pressure changes, and [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":8250,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[1389,1388,1380,1383,1382,1384,1386,1385,1381,1387,1391,1390],"class_list":["post-5606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-equipment-mirror-sight-glass","tag-impeller-mirror-sight-glass","tag-sanitary-clamps","tag-sanitary-fittings","tag-sight-flow-indicator-benefits","tag-sight-glass-applications","tag-sight-glass-construction","tag-sight-glass-lighting","tag-sight-glass-lights","tag-sight-glass-process-vessel","tag-stainless-steel-mirror-sight-glass","tag-stainless-steel-sight-glass"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/comments?post=5606"}],"version-history":[{"count":5,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5606\/revisions"}],"predecessor-version":[{"id":8251,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5606\/revisions\/8251"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media\/8250"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media?parent=5606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/categories?post=5606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/tags?post=5606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}