{"id":1006,"date":"2025-07-25T07:36:18","date_gmt":"2025-07-25T07:36:18","guid":{"rendered":"https:\/\/glorefen.com\/?post_type=product&#038;p=1006"},"modified":"2026-05-21T00:54:13","modified_gmt":"2026-05-21T00:54:13","slug":"sight-glass","status":"publish","type":"product","link":"https:\/\/glorefen.com\/en\/product\/sight-glass\/","title":{"rendered":"Sight  Glass"},"content":{"rendered":"<p><strong>Main Features<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Transparent viewing window enables visual inspection of refrigerant flow and bubble condition in the liquid line<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Moisture indicator provides visual color change according to moisture content in the system<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Brass or stainless steel body construction for durability and corrosion resistance<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High-pressure and temperature-resistant glass element<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Available with screw, solder, or flanged connection options<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compact design requiring minimal installation space<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compatible with common refrigerants such as R22, R134a, R404A, and R410A<\/span><\/li>\n<\/ul>\n<p><strong>Application Areas<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Commercial and industrial refrigeration systems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cold rooms, chillers, and display coolers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Air conditioning systems and heat pumps<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Condenser outlet and liquid line monitoring points<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ideal for installation after filter driers for flow and moisture inspection<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><strong>Features &amp; Applications<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">The sight glass is an optical monitoring component used in refrigeration systems to observe the condition of liquid refrigerant flow and detect moisture levels within the system. It is used for system diagnostics, allowing quick assessment of operating conditions and early detection of potential issues before maintenance or intervention.<\/span><\/p>\n","protected":false},"featured_media":1007,"template":"","meta":[],"product_brand":[],"product_cat":[21,39],"product_tag":[],"class_list":["post-1006","product","type-product","status-publish","has-post-thumbnail","product_cat-industrial-refrigeration","product_cat-line-equipment","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sight Glass - GLOREFEN - Global Refrigeration Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/glorefen.com\/en\/product\/sight-glass\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sight Glass - GLOREFEN - Global Refrigeration Engineering\" \/>\n<meta property=\"og:description\" content=\"Features &amp; Applications  The sight glass is an optical monitoring component used in refrigeration systems to observe the condition of liquid refrigerant flow and detect moisture levels within the system. It is used for system diagnostics, allowing quick assessment of operating conditions and early detection of potential issues before maintenance or intervention.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/glorefen.com\/en\/product\/sight-glass\/\" \/>\n<meta property=\"og:site_name\" content=\"GLOREFEN - Global Refrigeration Engineering\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-21T00:54:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/glorefen.com\/en\/product\/sight-glass\/\",\"url\":\"https:\/\/glorefen.com\/en\/product\/sight-glass\/\",\"name\":\"Sight Glass - GLOREFEN - Global Refrigeration Engineering\",\"isPartOf\":{\"@id\":\"https:\/\/glorefen.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/glorefen.com\/en\/product\/sight-glass\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/glorefen.com\/en\/product\/sight-glass\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg\",\"datePublished\":\"2025-07-25T07:36:18+00:00\",\"dateModified\":\"2026-05-21T00:54:13+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/glorefen.com\/en\/product\/sight-glass\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/glorefen.com\/en\/product\/sight-glass\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/glorefen.com\/en\/product\/sight-glass\/#primaryimage\",\"url\":\"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg\",\"contentUrl\":\"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg\",\"width\":1500,\"height\":1500},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/glorefen.com\/en\/product\/sight-glass\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Anasayfa\",\"item\":\"https:\/\/glorefen.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\/\/glorefen.com\/en\/products\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Sight Glass\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/glorefen.com\/en\/#website\",\"url\":\"https:\/\/glorefen.com\/en\/\",\"name\":\"GLOREFEN - Global Refrigeration Engineering\",\"description\":\"GLOREFEN\u00ae is an engineering company which supplies equipment to the HVAC&amp;r industry.\",\"publisher\":{\"@id\":\"https:\/\/glorefen.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/glorefen.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/glorefen.com\/en\/#organization\",\"name\":\"GLOREFEN - Global Refrigeration Engineering\",\"url\":\"https:\/\/glorefen.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/glorefen.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/glorefen.com\/wp-content\/uploads\/2025\/07\/Dis-Gorunum-1024x683.png\",\"contentUrl\":\"https:\/\/glorefen.com\/wp-content\/uploads\/2025\/07\/Dis-Gorunum-1024x683.png\",\"width\":1024,\"height\":683,\"caption\":\"GLOREFEN - Global Refrigeration Engineering\"},\"image\":{\"@id\":\"https:\/\/glorefen.com\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.linkedin.com\/company\/glorefen\/\",\"https:\/\/www.instagram.com\/glorefen\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Sight Glass - GLOREFEN - Global Refrigeration Engineering","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/glorefen.com\/en\/product\/sight-glass\/","og_locale":"en_US","og_type":"article","og_title":"Sight Glass - GLOREFEN - Global Refrigeration Engineering","og_description":"Features &amp; Applications  The sight glass is an optical monitoring component used in refrigeration systems to observe the condition of liquid refrigerant flow and detect moisture levels within the system. It is used for system diagnostics, allowing quick assessment of operating conditions and early detection of potential issues before maintenance or intervention.","og_url":"https:\/\/glorefen.com\/en\/product\/sight-glass\/","og_site_name":"GLOREFEN - Global Refrigeration Engineering","article_modified_time":"2026-05-21T00:54:13+00:00","og_image":[{"width":1500,"height":1500,"url":"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/glorefen.com\/en\/product\/sight-glass\/","url":"https:\/\/glorefen.com\/en\/product\/sight-glass\/","name":"Sight Glass - GLOREFEN - Global Refrigeration Engineering","isPartOf":{"@id":"https:\/\/glorefen.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/glorefen.com\/en\/product\/sight-glass\/#primaryimage"},"image":{"@id":"https:\/\/glorefen.com\/en\/product\/sight-glass\/#primaryimage"},"thumbnailUrl":"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg","datePublished":"2025-07-25T07:36:18+00:00","dateModified":"2026-05-21T00:54:13+00:00","breadcrumb":{"@id":"https:\/\/glorefen.com\/en\/product\/sight-glass\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/glorefen.com\/en\/product\/sight-glass\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/glorefen.com\/en\/product\/sight-glass\/#primaryimage","url":"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg","contentUrl":"https:\/\/glorefen.com\/en\/wp-content\/uploads\/2025\/07\/GOZETLEME-CAMI.jpg","width":1500,"height":1500},{"@type":"BreadcrumbList","@id":"https:\/\/glorefen.com\/en\/product\/sight-glass\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Anasayfa","item":"https:\/\/glorefen.com\/en\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/glorefen.com\/en\/products\/"},{"@type":"ListItem","position":3,"name":"Sight Glass"}]},{"@type":"WebSite","@id":"https:\/\/glorefen.com\/en\/#website","url":"https:\/\/glorefen.com\/en\/","name":"GLOREFEN - Global Refrigeration Engineering","description":"GLOREFEN\u00ae is an engineering company which supplies equipment to the HVAC&amp;r industry.","publisher":{"@id":"https:\/\/glorefen.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/glorefen.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/glorefen.com\/en\/#organization","name":"GLOREFEN - Global Refrigeration Engineering","url":"https:\/\/glorefen.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/glorefen.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/glorefen.com\/wp-content\/uploads\/2025\/07\/Dis-Gorunum-1024x683.png","contentUrl":"https:\/\/glorefen.com\/wp-content\/uploads\/2025\/07\/Dis-Gorunum-1024x683.png","width":1024,"height":683,"caption":"GLOREFEN - Global Refrigeration Engineering"},"image":{"@id":"https:\/\/glorefen.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/glorefen\/","https:\/\/www.instagram.com\/glorefen\/"]}]}},"_links":{"self":[{"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/product\/1006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/media\/1007"}],"wp:attachment":[{"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/media?parent=1006"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/product_brand?post=1006"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/product_cat?post=1006"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/glorefen.com\/en\/wp-json\/wp\/v2\/product_tag?post=1006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}