{"product_id":"calpeda-4sdp-3-32-w-stainless-steel-4-inch-submersible-bore-pump-agricultural-water-supply","title":"Calpeda 4SDP 3\/32-W Stainless Steel 4\" Submersible Bore Pump for Agricultural Water Supply with Floating Impellers","description":"\u003cp\u003eExtreme lift heights for civil water supply and agricultural projects are achieved by this ultra-high lift submersible pump from 4-inch borehole sources. It manages clean water containing suspended sand up to 150 g\/m³ and supports continuous duty for high-altitude distribution and long-distance water transfer.\u003c\/p\u003e\u003cp\u003eA 2.2 kW three-phase motor at 415V drives the 32-stage assembly, achieving a maximum head of 200 meters and a peak flow of 70 L\/Min. The mechanical interface conforms to NEMA standards, ensuring a secure connection to high-performance submersible borehole motor units.\u003c\/p\u003e\u003cp\u003eHigh-strength LEXAN floating impellers move axially within each stage to accommodate sand particles, helping to protect the polycarbonate diffusers from abrasive wear in ultra-deep wells.\u003c\/p\u003e\u003cp\u003eAISI 304 stainless steel forms the external jacket, with a delivery casing incorporating a built-in non-return valve to shield the 32 stages from water column weight and backflow during shutdown. Rated for water up to 35°C, the assembly includes a chrome-nickel steel suction lantern and a Class F insulated motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLEXAN radial floating impellers are designed to handle sand while reducing internal mechanical binding risk\u003c\/li\u003e\n\u003cli\u003eHigh-performance polycarbonate diffusers maintain a smooth hydraulic flow path for improved energy efficiency\u003c\/li\u003e\n\u003cli\u003eThirty-two-stage hydraulic assembly delivers 200 meters of head for ultra-high-lift borehole recovery\u003c\/li\u003e\n\u003cli\u003eAISI 304 stainless steel external jacket provides corrosion resistance and structural integrity in boreholes\u003c\/li\u003e\n\u003cli\u003eIntegrated non-return valve prevents pipe drainage and reduces water hammer risk\u003c\/li\u003e\n\u003cli\u003eNEMA-standard coupling ensures compatibility with a wide range of submersible motor units\u003c\/li\u003e\n\u003cli\u003eChrome-nickel steel suction lantern with filter shields internal stages from debris and blockage\u003c\/li\u003e\n\u003cli\u003eClass F insulation and IP68 protection support safe, reliable performance under continuous well immersion\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Calpeda","offers":[{"title":"Default Title","offer_id":50983321927927,"sku":"4SDP 3\/32-W","price":1640.93,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/calpeda-4sdp-3-32-w-stainless-steel-4-inch-submersible-bore-pump-agricultural-water-supply.png?v=1785325825","url":"https:\/\/foundationpumps.com.au\/products\/calpeda-4sdp-3-32-w-stainless-steel-4-inch-submersible-bore-pump-agricultural-water-supply","provider":"Foundation Pumps","version":"1.0","type":"link"}