{"id":89700,"date":"2021-04-29T11:30:27","date_gmt":"2021-04-29T11:30:27","guid":{"rendered":"https:\/\/mafusa.net\/product\/ventosa-trifuncional-agua-residual\/"},"modified":"2025-04-29T14:21:41","modified_gmt":"2025-04-29T14:21:41","slug":"sewage-combination-air-release-valve","status":"publish","type":"product","link":"https:\/\/mafusa.net\/en\/productos\/valves\/air-valves\/sewage-combination-air-release-valve\/","title":{"rendered":"Sewage combination air release valve"},"content":{"rendered":"<p class=\"p2\"><b>Features<\/b><\/p>\n<ul>\n<li class=\"p3\">Advanced design with simple mechanism, strong float to prevent cracking during sudden water hammer &amp; quick closure.<\/li>\n<li class=\"p3\">Aerokinetic mechanism to resist blow shut under higher air velocity even up to sonic velocity of air.<\/li>\n<li class=\"p3\">With special fat body design to lower the sewage water flow speed, and let the air out but keep sewage water underneath.<\/li>\n<li class=\"p3\">Keep dirty or corrosive liquid inside the body for safety during operation and no harm to human &amp; surrounding environment<\/li>\n<li class=\"p3\">Internal body guide and upper round wall keep float moving on its rail and keep liquid turbulence flow within this area.<\/li>\n<li class=\"p3\">Much bigger air flow through the nozzle even for higher viscosity liquid.<\/li>\n<li class=\"p3\">Outside screen will be an option for safety and prevent insects or birds in.<\/li>\n<li class=\"p3\">Fully fusion epoxy coated inside and outside of valve body for long term services.<\/li>\n<li class=\"p3\">Manufacturing standard meets BS EN 1074-4, AWWA C512. Flange drilling and dimension meets BS EN 1092 and ANSI flange.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p class=\"p2\"><b>Technical Data<\/b><\/p>\n<ul>\n<li class=\"p3\"><b>Size range: <\/b>DN 50-200MM<\/li>\n<li class=\"p3\"><b>Pressure ratings: <\/b>1.0MPa to 1.6Mp (Flange)<\/li>\n<li class=\"p3\"><b>Working temperature: <\/b>-10\u00b0-80\u00b0C<\/li>\n<li class=\"p3\"><b>Flow media: <\/b>Sewage water.<\/li>\n<li class=\"p4\"><b>Service Fields: <\/b>For sewage water system.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p class=\"p2\"><b>Functions<\/b><\/p>\n<p class=\"p3\">Sewage combination air release valve provides 3 functions:<\/p>\n<p class=\"p3\">1. Large air release during filling of the pipeline.<br \/>\n2. Small air venting under pressurized pipeline.<br \/>\n3. Large air intake during draining of the piieline.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Features Advanced design with simple mechanism, strong float to prevent cracking during sudden water hammer &amp; quick closure. Aerokinetic mechanism [&hellip;]<\/p>\n","protected":false},"featured_media":91034,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[225,229],"product_tag":[],"class_list":{"0":"post-89700","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-valves","7":"product_cat-air-valves","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sewage combination air release valve - Mafusa<\/title>\n<meta name=\"description\" content=\"Advanced design with simple mechanism, strong float to prevent cracking during sudden water hammer &amp; quick closure.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mafusa.net\/en\/productos\/valves\/air-valves\/sewage-combination-air-release-valve\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sewage combination air release valve - 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