{"product_id":"lowara-4zn612-8-3-stainless-steel-4kw-three-phase-submersible-pump-with-radial-flow-impeller","title":"Lowara 4ZN612\/8-3 Stainless Steel 4kW Three-Phase Submersible Pump with Radial Flow Impeller","description":"\u003cp\u003eFor irrigation networks and industrial pressure boosting, the Lowara 4ZN612\/8-3 delivers 90.7 metres of head from a 4 kW motor. Its AISI 316 stainless steel wet end and 6-inch radial flow design withstand aggressive groundwater conditions while maintaining consistent performance. The compact 142 mm diameter fits standard borehole casings, and the replaceable coupling allows for straightforward maintenance.\u003c\/p\u003e\n\u003cp\u003eThe 415V three-phase motor draws 9.8 Amps and achieves 275 L\/Min maximum flow. Performance tolerances comply with EN ISO 9906 Grade 3B. The 65 mm discharge port connects to standard pipework, while the integrated non-return valve prevents backflow when the motor stops.\u003c\/p\u003e\n\u003cp\u003eAISI 316 stainless steel construction resists corrosion and abrasion. The suction strainer limits sand ingress to 100 g\/m3, protecting the radial flow impeller and its removable wear ring. For servicing, the replaceable coupling allows component access without full pump extraction.\u003c\/p\u003e\n\u003cp\u003eWeighing 40 kg, the pump maintains a maximum outer diameter of 142 mm including cable guard. Microcast stainless steel forms the head and motor support structure. Liquid temperature tolerance is 60°C, and the pump accepts both C4S and L6W motor configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFEATURES\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDuplex stainless steel UNS S 31803 shaft ensures operational durability\u003c\/li\u003e\n\u003cli\u003eAISI 316L stainless steel tie rods resist external corrosion\u003c\/li\u003e\n\u003cli\u003eShaft sleeves protect internal rotating components from wear\u003c\/li\u003e\n\u003cli\u003eASTM CF-8M cast stainless steel lower motor support\u003c\/li\u003e\n\u003cli\u003eEPDM elastomers maintain sealing performance over time\u003c\/li\u003e\n\u003cli\u003ePTFE and Graphite thrust bearings reduce frictional losses\u003c\/li\u003e\n\u003cli\u003eMEI ≥ 0.40 compliant with ErP 2009\/125\/EC requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* Motor and pump supplied separately - requires assembly\u003c\/p\u003e","brand":"Lowara","offers":[{"title":"Default Title","offer_id":50994310381815,"sku":"4ZN612\/8-3","price":5049.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/lowara-4zn612-8-3-stainless-steel-4kw-three-phase-submersible-pump-with-radial-flow-impeller.png?v=1785755080","url":"https:\/\/foundationpumps.com.au\/products\/lowara-4zn612-8-3-stainless-steel-4kw-three-phase-submersible-pump-with-radial-flow-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}