{"product_id":"calpeda-4sdp-6-36-w-stainless-steel-4-inch-submersible-bore-pump-water-supply-systems","title":"Calpeda 4SDP 6\/36-W Stainless Steel 4\" Submersible Bore Pump for Water Supply Systems with Floating Impellers","description":"\u003cp\u003eWater supply systems and fire protection requiring significant lift heights from 4-inch borehole installations benefit from this high-pressure submersible pump. It manages groundwater containing suspended sand up to 150 g\/m³ and supports continuous duty for large civil infrastructure projects.\u003c\/p\u003e\u003cp\u003eA 4 kW three-phase motor at 415V drives the 36-stage assembly, achieving a maximum head of 190 meters and a peak flow of 160 L\/Min. The mechanical interface conforms to NEMA standards, ensuring a secure connection to high-performance 4-inch submersible borehole motors.\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 deep boreholes.\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 36 stages from water column weight and backflow during shutdown. Rated for liquid temperatures up to 35°C, the unit 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 seizure 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-six-stage configuration delivers 190 meters of head for high-lift fire fighting and supply networks\u003c\/li\u003e\n\u003cli\u003eAISI 304 stainless steel external jacket provides structural integrity and resistance to subterranean corrosion\u003c\/li\u003e\n\u003cli\u003eIntegrated non-return valve in the delivery casing protects the pump from reverse water weight and hydraulic hammer\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 fine-mesh filter prevents debris entry into the hydraulics\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":50983322419447,"sku":"4SDP 6\/36-W","price":1783.05,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/calpeda-4sdp-6-36-w-stainless-steel-4-inch-submersible-bore-pump-water-supply-systems.png?v=1785325850","url":"https:\/\/foundationpumps.com.au\/products\/calpeda-4sdp-6-36-w-stainless-steel-4-inch-submersible-bore-pump-water-supply-systems","provider":"Foundation Pumps","version":"1.0","type":"link"}