{"product_id":"calpeda-4sdp-1-38-w-stainless-steel-4-inch-submersible-bore-pump-household-water-supply","title":"Calpeda 4SDP 1\/38-W Stainless Steel 4\" Submersible Bore Pump for Household Water Supply with Floating Impellers","description":"\u003cp\u003eUltra-deep borehole installations requiring significant lift heights for high-pressure civil applications and domestic utilities are the primary application for this pump. It handles clean water with sand content up to 150 g\/m³ and is rated for continuous duty operation.\u003c\/p\u003e\u003cp\u003eA 1.1 kW three-phase motor on a 415V supply drives 38 hydraulic stages, achieving a maximum head of 234 meters at a consistent flow rate of 25 L\/Min. The motor interface conforms to NEMA standards, allowing for standardised mechanical mounting and simplified field serviceability.\u003c\/p\u003e\u003cp\u003eHigh-grade LEXAN radial floating impellers permit axial movement essential for passing sand without causing mechanical lock or excessive friction. This protects polycarbonate diffusers from abrasive wear, maintaining the pump's performance characteristics over an extended service life.\u003c\/p\u003e\u003cp\u003eAISI 304 stainless steel forms the external jacket, with a chrome-nickel steel delivery casing incorporating a built-in non-return valve. This valve prevents backflow and water hammer, shielding the motor and 38 stages from hydraulic shock. Rated for water up to 35°C, the assembly includes a chrome-nickel steel suction lantern and a Class F insulated motor frame.\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 particles while reducing internal wear and seizure\u003c\/li\u003e\n\u003cli\u003eReinforced polycarbonate diffusers reduce turbulence and improve overall hydraulic efficiency\u003c\/li\u003e\n\u003cli\u003eThirty-eight-stage hydraulic configuration delivers 234 meters of head for ultra-high-lift water supply projects\u003c\/li\u003e\n\u003cli\u003eAISI 304 stainless steel external jacket provides resistance to borehole oxidation and chemical groundwater attack\u003c\/li\u003e\n\u003cli\u003eBuilt-in non-return valve protects the internal hydraulics from back-pressure and column weight stress\u003c\/li\u003e\n\u003cli\u003eNEMA-standard coupling simplifies installation and ensures compatibility with various submersible borehole motors\u003c\/li\u003e\n\u003cli\u003eChrome-nickel steel suction lantern prevents oversized debris from entering and damaging the internal stages\u003c\/li\u003e\n\u003cli\u003eClass F insulation and IP68 protection support continuous duty in deep, fully submerged boreholes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Calpeda","offers":[{"title":"Default Title","offer_id":50983319568631,"sku":"4SDP 1\/38-W","price":1959.76,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/calpeda-4sdp-1-38-w-stainless-steel-4-inch-submersible-bore-pump-household-water-supply.png?v=1785325801","url":"https:\/\/foundationpumps.com.au\/products\/calpeda-4sdp-1-38-w-stainless-steel-4-inch-submersible-bore-pump-household-water-supply","provider":"Foundation Pumps","version":"1.0","type":"link"}