{"product_id":"tsurumi-50trn43-7-submersible-self-aspirating-aerator-50trn43-7","title":"Tsurumi 50TRN43.7 Submersible Self-Aspirating Aerator – 50TRN43.7","description":"\u003cp\u003e\nThe Tsurumi 50TRN43.7 is a submersible self-aspirating aerator designed for efficient aeration and mixing in sewage and wastewater treatment applications. Utilizing Tsurumi’s special semi-open impeller, the aerator draws air directly from above the water surface without requiring a separate blower for standard aeration duties. The air and water are vigorously mixed into fine bubbles and discharged evenly around the unit, providing high oxygen transfer efficiency and powerful tank agitation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nEngineered for continuous-duty operation, the TRN series features Tsurumi's exclusive Oil Lifter, dual silicon carbide mechanical seals, and an anti-wicking cable entry system to deliver reliable performance, extended equipment life, and reduced maintenance in demanding wastewater treatment environments.\n\u003c\/p\u003e\n\n\u003ch3\u003eSuitable Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMixing and holding tanks\u003c\/li\u003e\n  \u003cli\u003eSewage treatment plants and systems\u003c\/li\u003e\n  \u003cli\u003eEqualization tanks\u003c\/li\u003e\n  \u003cli\u003eReaction tanks\u003c\/li\u003e\n  \u003cli\u003eBatch reactors\u003c\/li\u003e\n  \u003cli\u003eAbattoirs\u003c\/li\u003e\n  \u003cli\u003eFish tanks and water containment systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSelf-aspirating operation eliminates the need for a separate blower for standard aeration applications.\u003c\/li\u003e\n  \u003cli\u003eSpecial semi-open impeller generates fine air bubbles for efficient oxygen transfer.\u003c\/li\u003e\n  \u003cli\u003eProduces powerful radial agitation through combined air-lift and convective flow.\u003c\/li\u003e\n  \u003cli\u003eCan be installed deeper using an optional stand or draft tube.\u003c\/li\u003e\n  \u003cli\u003eTsurumi Oil Lifter continuously lubricates the mechanical seal for extended service life.\u003c\/li\u003e\n  \u003cli\u003eDual silicon carbide mechanical seals provide outstanding durability.\u003c\/li\u003e\n  \u003cli\u003eAnti-wicking cable entry prevents water ingress into the motor.\u003c\/li\u003e\n  \u003cli\u003eDesigned for continuous-duty wastewater treatment applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50TRN43.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEquipment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSubmersible Self-Aspirating Aerator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir Inlet Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStarting Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect On Line (D.O.L.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Solids Passage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Water Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDocumentation \u0026amp; Downloads\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Catalogue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/tsurumipumps.com.au\/wp-content\/uploads\/2025\/09\/TRN_BER_PLSwAK_IA121-D.pdf\" target=\"_blank\"\u003eDownload PDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Tsurumi","offers":[{"title":"Default Title","offer_id":45497638486125,"sku":"50TRN43.7","price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1399\/2979\/files\/TRN.png?v=1784878271","url":"https:\/\/pumptastic.com.au\/products\/tsurumi-50trn43-7-submersible-self-aspirating-aerator-50trn43-7","provider":"Pumptastic","version":"1.0","type":"link"}