{"product_id":"grundfos-sqf-7-4-n-stainless-steel-solar-submersible-pump-for-irrigation-distribution-with-closed-impeller","title":"Grundfos SQF 7-4 N Stainless Steel Solar Submersible Pump for Field Irrigation with Closed Impeller","description":"\u003cp\u003eField irrigation in agricultural and off-grid environments requires dependable solar-powered pumping to ensure consistent water delivery across wide coverage areas. This submersible pump is suitable for borehole installations operating on DC energy, supporting irrigation systems where stable flow and efficient distribution are essential.\u003c\/p\u003e\n\u003cp\u003ePerformance reaches a maximum head of 35 m while delivering flow up to approximately 218 L\/Min at lower head conditions, derived from the performance curve peak. This enables high-volume water delivery while maintaining consistent discharge across varying operating requirements.\u003c\/p\u003e\n\u003cp\u003eA multi-stage centrifugal hydraulic design with closed stainless steel impellers supports efficient operation across a wide working range while maintaining stable pressure characteristics. This configuration minimizes internal hydraulic losses and ensures consistent flow delivery.\u003c\/p\u003e\n\u003cp\u003eThe construction incorporates AISI 316 stainless steel for pump, impellers, and motor components, providing corrosion resistance in submerged environments. A 4-inch design requires a minimum borehole diameter of 104 mm, while integrated protections including dry-running, overload, and voltage safeguards ensure reliable operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClosed stainless steel impeller configuration enabling efficient flow distribution\u003c\/li\u003e\n\u003cli\u003eDC-powered operation compatible with solar energy systems\u003c\/li\u003e\n\u003cli\u003eIntegrated MPPT optimizing power utilization from solar input\u003c\/li\u003e\n\u003cli\u003eBuilt-in dry-running protection preventing operational damage\u003c\/li\u003e\n\u003cli\u003eOverload and voltage protection ensuring safe motor performance\u003c\/li\u003e\n\u003cli\u003e4-inch construction suitable for larger borehole installations\u003c\/li\u003e\n\u003cli\u003eAISI 316 stainless steel hydraulic components for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIntegrated non-return valve preventing reverse flow\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":50740899119351,"sku":"99612837","price":4535.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-sqf-7-4-n-stainless-steel-solar-submersible-pump-for-irrigation-distribution-with-closed-impeller.png?v=1778038599","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-sqf-7-4-n-stainless-steel-solar-submersible-pump-for-irrigation-distribution-with-closed-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}