{"id":876,"date":"2025-07-24T13:30:24","date_gmt":"2025-07-24T13:30:24","guid":{"rendered":"https:\/\/glorefen.com\/?post_type=product&#038;p=876"},"modified":"2026-05-21T00:29:11","modified_gmt":"2026-05-21T00:29:11","slug":"nh%e2%82%83-evaporators","status":"publish","type":"product","link":"https:\/\/glorefen.com\/en\/product\/nh%e2%82%83-evaporators\/","title":{"rendered":"NH\u2083 Evaporators"},"content":{"rendered":"<p><strong>Coil Features<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">50 x 50 mm straight tube arrangement<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">15 mm AISI 304 stainless steel tubes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Standard fin spacing: 4 \/ 7 \/ 10 \/ 12 mm (other options available)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aluminum fins<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AISI 304 stainless steel inlet and outlet connections<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Connections located on the right-hand side (in airflow direction) as standard<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Optimized refrigerant circuiting<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test pressure: 34 bar<\/span><\/li>\n<\/ul>\n<p><strong>Casing<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Casing manufactured from AlMg3 aluminum alloy or galvanized steel depending on model and size<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Electrostatic powder-coated finish (RAL 9016) providing a smooth, durable, and corrosion-resistant structure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Standard hinged side panels allow easy access to connections<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hinged or removable drain pan depending on model and size<\/span><\/li>\n<\/ul>\n<p><strong>Standard Accessories<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hot gas defrost (coil)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hinged side panels<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hinged or removable drain pan<\/span><\/li>\n<\/ul>\n<p><strong>Defrost Options<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hot Gas Defrost<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Units are manufactured as standard to be compatible with hot gas defrost systems.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thanks to the high heat transfer coefficient and compact tube arrangement, fast and efficient defrosting is achieved.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Optional hot gas piping circuit in the drain pan is available.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Electric Defrost<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Standard for coil, optional for drain pan<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Water Defrost<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Air Defrost<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Closed Circuit Defrost<\/span><\/li>\n<\/ul>\n<p><strong>Fans<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High-efficiency axial fans with diameters of 400 \/ 450 \/ 500 \/ 630 \/ 800 mm from Ziehl-Abegg, ebm-papst or equivalents are used in ammonia industrial air coolers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Motor protection class: IP44 \/ IP54; insulation class: B \/ F<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Minimum operating temperature:<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Single-phase fans: -25\u00b0C<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Three-phase fans: -40\u00b0C<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Special fans must be used for operation below -40\u00b0C<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fans operate in draw-through configuration as standard<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Standard electrical data:<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">400 \/ 450 mm: 230V \/ 1Ph \/ 50 Hz<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">500 \/ 630 \/ 800 mm: 400V \/ 3Ph \/ 50 Hz<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Three-phase fans are dual-speed as standard; EC fans with speed control are optional<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stepless fan speed control can be achieved using frequency inverters and sine wave filters<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thermistor connections must be properly implemented to ensure motor protection under low temperature and high air resistance conditions<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Airflow deflectors to increase air throw are optional<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Friterm reserves the right to use different fan brands; technical specifications may vary accordingly<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><strong>Features &amp; Applications<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">The Friterm NES series ammonia evaporators are specifically designed for medium and large-sized cold storage rooms, frozen storage facilities, blast chilling, and shock freezing applications.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The NES series stands out with its ceiling-mounted, single-discharge draw-through design, delivering powerful and efficient cooling performance.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Models equipped with three-phase fans offer dual-speed operation; providing rapid cooling with high airflow during start-up, followed by reduced air circulation to minimize product weight loss and ensure balanced cooling performance.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The Friterm NES series, enriched with a wide range of accessories, consists of 432 different models with capacities ranging from 3 kW to 250 kW, offering reliable and efficient solutions for industrial refrigeration applications.<\/span><\/p>\n","protected":false},"featured_media":908,"template":"","meta":[],"product_brand":[],"product_cat":[21,24],"product_tag":[],"class_list":["post-876","product","type-product","status-publish","has-post-thumbnail","product_cat-industrial-refrigeration","product_cat-evaporators","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>NH\u2083 Evaporators - 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\/nh\u2083-evaporators\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NH\u2083 Evaporators - GLOREFEN - Global Refrigeration Engineering\" \/>\n<meta property=\"og:description\" content=\"Features &amp; Applications  The Friterm NES series ammonia evaporators are specifically designed for medium and large-sized cold storage rooms, frozen storage facilities, blast chilling, and shock freezing applications.  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