{"product_id":"elta-smb550-inline-mixed-flow-box-fan-550mm-single-phase-ac","title":"Elta SMB550 Inline Mixed Flow Box Fan - 550mm Single Phase AC","description":"\u003cp data-start=\"411\" data-end=\"1075\"\u003eThe \u003cstrong data-start=\"415\" data-end=\"481\"\u003eElta SMB550 Inline Mixed Flow Box Fan – 550 mm Single Phase AC\u003c\/strong\u003e is a high‑performance ventilation fan from Elta’s \u003cstrong data-start=\"532\" data-end=\"549\"\u003eMultiflow SMB\u003c\/strong\u003e range, engineered for commercial and industrial HVAC systems. Built with a heavy‑duty pre‑galvanised steel casing and Ductmate flanged duct connections, this mixed‑flow box fan delivers powerful, efficient airflow with reduced acoustic noise. The backward‑curved aerofoil impeller ensures strong air movement and consistent performance. Powered by a reliable single‑phase AC external rotor motor, the SMB550 is ideal for supply or extract ventilation in large duct networks, factories, warehouses, and commercial buildings.\u003c\/p\u003e\n\u003chr data-start=\"1077\" data-end=\"1080\"\u003e\n\u003ch2 data-section-id=\"mmsur\" data-start=\"1082\" data-end=\"1111\"\u003eMaterial \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cul data-start=\"1112\" data-end=\"1474\"\u003e\n\u003cli data-section-id=\"cappr7\" data-start=\"1112\" data-end=\"1202\"\u003e\n\u003cp data-start=\"1114\" data-end=\"1202\"\u003e\u003cstrong data-start=\"1114\" data-end=\"1125\"\u003eCasing:\u003c\/strong\u003e Pre‑galvanised sheet steel with flanged connections for easy duct mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xr731y\" data-start=\"1203\" data-end=\"1270\"\u003e\n\u003cp data-start=\"1205\" data-end=\"1270\"\u003e\u003cstrong data-start=\"1205\" data-end=\"1218\"\u003eImpeller:\u003c\/strong\u003e High‑efficiency backward‑curved mixed‑flow blades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bflx14\" data-start=\"1271\" data-end=\"1358\"\u003e\n\u003cp data-start=\"1273\" data-end=\"1358\"\u003e\u003cstrong data-start=\"1273\" data-end=\"1283\"\u003eMotor:\u003c\/strong\u003e Single‑phase AC external rotor motor with sealed bearings for durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"o6uj7o\" data-start=\"1359\" data-end=\"1419\"\u003e\n\u003cp data-start=\"1361\" data-end=\"1419\"\u003e\u003cstrong data-start=\"1361\" data-end=\"1380\"\u003eOperating Temp:\u003c\/strong\u003e Rated for operation up to \u003cstrong data-start=\"1407\" data-end=\"1417\"\u003e+60 °C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1apmivl\" data-start=\"1420\" data-end=\"1474\"\u003e\n\u003cp data-start=\"1422\" data-end=\"1474\"\u003e\u003cstrong data-start=\"1422\" data-end=\"1433\"\u003eFinish:\u003c\/strong\u003e Corrosion‑resistant protective coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1476\" data-end=\"1479\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1481\" data-end=\"1498\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1500\" data-end=\"2156\"\u003e\n\u003cli data-section-id=\"1kpf43q\" data-start=\"1500\" data-end=\"1570\"\u003e\n\u003cp data-start=\"1502\" data-end=\"1570\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1519\"\u003eProduct Type:\u003c\/strong\u003e Inline Mixed Flow Box Fan (Multiflow SMB series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c04ivj\" data-start=\"1571\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1573\" data-end=\"1618\"\u003e\u003cstrong data-start=\"1573\" data-end=\"1583\"\u003eModel:\u003c\/strong\u003e SMB550 \/ 4‑1AC (Single‑Phase AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"99xrk3\" data-start=\"1619\" data-end=\"1651\"\u003e\n\u003cp data-start=\"1621\" data-end=\"1651\"\u003e\u003cstrong data-start=\"1621\" data-end=\"1638\"\u003eFan Diameter:\u003c\/strong\u003e \u003cstrong data-start=\"1639\" data-end=\"1649\"\u003e550 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c6qekw\" data-start=\"1652\" data-end=\"1719\"\u003e\n\u003cp data-start=\"1654\" data-end=\"1719\"\u003e\u003cstrong data-start=\"1654\" data-end=\"1674\"\u003eCasing Material:\u003c\/strong\u003e Pre‑galvanised steel with Ductmate flanges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"crkxbn\" data-start=\"1720\" data-end=\"1785\"\u003e\n\u003cp data-start=\"1722\" data-end=\"1785\"\u003e\u003cstrong data-start=\"1722\" data-end=\"1740\"\u003eImpeller Type:\u003c\/strong\u003e Backward‑curved aerofoil mixed‑flow blades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m02rk5\" data-start=\"1786\" data-end=\"1842\"\u003e\n\u003cp data-start=\"1788\" data-end=\"1842\"\u003e\u003cstrong data-start=\"1788\" data-end=\"1803\"\u003eMotor Type:\u003c\/strong\u003e Single‑phase AC external rotor motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"32jgbs\" data-start=\"1843\" data-end=\"1880\"\u003e\n\u003cp data-start=\"1845\" data-end=\"1880\"\u003e\u003cstrong data-start=\"1845\" data-end=\"1857\"\u003eVoltage:\u003c\/strong\u003e 230–240 V AC \/ 50 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14wdqjy\" data-start=\"1881\" data-end=\"1940\"\u003e\n\u003cp data-start=\"1883\" data-end=\"1940\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1909\"\u003eOperating Temperature:\u003c\/strong\u003e Up to \u003cstrong data-start=\"1916\" data-end=\"1938\"\u003e+60 °C ambient air\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1oi61d8\" data-start=\"1941\" data-end=\"2007\"\u003e\n\u003cp data-start=\"1943\" data-end=\"2007\"\u003e\u003cstrong data-start=\"1943\" data-end=\"1960\"\u003eInstallation:\u003c\/strong\u003e Inline duct mounting with flange connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dluyst\" data-start=\"2008\" data-end=\"2156\"\u003e\n\u003cp data-start=\"2010\" data-end=\"2156\"\u003e\u003cstrong data-start=\"2010\" data-end=\"2027\"\u003eApplications:\u003c\/strong\u003e HVAC supply\/extract ventilation, industrial and commercial duct systems, warehouses, workshops, and large ventilation networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Default Title","offer_id":57353585492293,"sku":null,"price":1666.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/EltaSMB4004-1ACInlineMixedFlowBoxFan-400mmSinglePhaseA_2fb6c3ca-aa77-4a25-adbe-f3c72dd7d5a2.png?v=1773214357","url":"https:\/\/directductsupplies.com\/products\/elta-smb550-inline-mixed-flow-box-fan-550mm-single-phase-ac","provider":"Direct Duct Supplies","version":"1.0","type":"link"}