{"product_id":"grundfos-sl-56m-280-4-50d-200-cast-iron-medium-head-effluent-pump-open-s-tube-impeller","title":"Grundfos SL.56M.280.4.50D.200 Cast Iron Medium-Head Effluent Pump with Open S-Tube Impeller","description":"\u003cp\u003eIntended for permanent submerged installation, the Grundfos SL.56M.280.4.50D.200 is designed for industrial effluent transfer in treatment plants and collection reservoirs. This cast iron pump holds CE EN12050-1 approval and includes ROHS and WEEE environmental certifications. It is developed for handling untreated wastewater containing solids in industrial sumps.\u003c\/p\u003e\u003cp\u003eThe unit features a 28 kW 4-pole motor operating at 1490 rpm on a 3 x 415 V supply with a rated current of 60.5 Amps. It provides a maximum head up to 30 m and a maximum flow up to 14880 L\/min. The motor is designed for continuous S1 duty, utilizing the surrounding wastewater for cooling during prolonged service periods.\u003c\/p\u003e\u003cp\u003eThe hydraulic system uses an Open S-tube impeller with a 326 mm actual diameter to manage untreated wastewater containing solids. The nominal duty head is 15.77 m. It incorporates DN 200 inlet and outlet connections, supporting high-volume wastewater transfer while reducing the risk of clogging in high-demand networks.\u003c\/p\u003e\u003cp\u003eConstruction features an EN-GJL-250 cast iron pump housing and motor casing with double mechanical shaft seals. PTO sensors are included for motor protection and monitoring. The unit is supplied with a 10-metre S1BC4N8-F EMC power cable and an IP68 enclosure suitable for installation depths up to 30 metres.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOpen S-tube impeller with a 326 mm actual diameter for handling untreated wastewater containing solids.\u003c\/li\u003e\n\u003cli\u003eEN-GJL-250 cast iron pump housing and motor casing for structural durability in industrial sumps.\u003c\/li\u003e\n\u003cli\u003eDouble mechanical shaft seal arrangement with SiC\/SiC primary seal and Silicon Carbide\/Carbon secondary seal.\u003c\/li\u003e\n\u003cli\u003eIntegrated PTO sensors for motor protection and monitoring within the stator for operational safety.\u003c\/li\u003e\n\u003cli\u003eSupplied with a 10-metre S1BC4N8-F EMC power cable for reliable electrical connection in treatment plants.\u003c\/li\u003e\n\u003cli\u003eIP68 enclosure suitable for installation depths up to 30 metres and 9 bar maximum operating pressure.\u003c\/li\u003e\n\u003cli\u003eClass H motor insulation with support for up to 30 starts per hour for heavy-duty handling.\u003c\/li\u003e\n\u003cli\u003eCompatible with the Grundfos auto-coupling system (96641489) for maintenance access in deep sumps.\u003c\/li\u003e\n\u003c\/ul\u003e ","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":50901324857591,"sku":"92850509","price":45872.97,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-sl-56m-280-4-50d-200-cast-iron-medium-head-effluent-pump-open-s-tube-impeller.png?v=1782731452","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-sl-56m-280-4-50d-200-cast-iron-medium-head-effluent-pump-open-s-tube-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}