{"product_id":"lowara-4zn63133-stainless-steel-6-inch-deep-well-submersible-bore-pump-radial-flow-impeller","title":"Lowara 4ZN631\/3-3 Stainless Steel 4kW Deep Well 6\" Submersible Bore Pump with Radial Flow Impeller","description":"\u003cp\u003eMunicipal potable water extraction requires pumps that combine corrosion resistance with sustained flow characteristics. The Lowara 4ZN631\/3-3 offers 667 L\/Min from its 6-inch wet end and 4-inch motor configuration. The microcast stainless steel housing provides long-term structural integrity for continuous submersion in borehole installations.\u003c\/p\u003e\u003cp\u003eNon-return valve integration prevents water column backflow during power interruptions. The impeller design incorporates a removable wear ring, enabling component replacement without full pump disassembly. AISI 316 stainless steel construction across the wet end resists aggressive groundwater chemistry. Sand ingress is limited to 100 grams per cubic metre by the suction strainer.\u003c\/p\u003e\u003cp\u003ePower comes from a 415V three-phase supply drawing 10.2 Amps. Shut-off head reaches 43.2 metres with 667 L\/Min flow through the Rp 3 outlet. Hydraulic performance conforms to EN ISO 9906 Grade 3B tolerances.\u003c\/p\u003e\u003cp\u003eInstallation depth reaches 300 metres with Class F insulation and IP68 protection. The Duplex shaft and AISI 316L tie rods provide mechanical strength. NEMA compatibility and safety hook holes simplify borehole deployment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e4Z = 6\" wet end with 4\" Lowara motor\u003c\/strong\u003e\u003c\/p\u003e\u003cb\u003eFEATURES\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003ePre-drilled safety hook holes on discharge head\u003c\/li\u003e\n\u003cli\u003eDuplex stainless steel UNS S 31803 shaft metallurgy\u003c\/li\u003e\n\u003cli\u003eAISI 316L stainless steel bracing tie rods\u003c\/li\u003e\n\u003cli\u003eReplaceable coupling for standard servicing\u003c\/li\u003e\n\u003cli\u003eSuction strainer with AISI 316L mesh\u003c\/li\u003e\n\u003cli\u003eNEMA-compliant motor connection flange\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e* Motor and pump supplied separately - requires assembly\u003c\/p\u003e","brand":"Lowara","offers":[{"title":"Default Title","offer_id":50998613639415,"sku":"4ZN631\/3-3","price":4519.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/lowara-4zn63133-stainless-steel-6-inch-deep-well-submersible-bore-pump-radial-flow-impeller.png?v=1785923934","url":"https:\/\/foundationpumps.com.au\/products\/lowara-4zn63133-stainless-steel-6-inch-deep-well-submersible-bore-pump-radial-flow-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}