{"product_id":"calpeda-bs2f-2mxhl-805-three-phase-2-x-1-8kw-fixed-speed-twin-pump-multistage-booster-system","title":"Calpeda BS2F 2MXHL 805 Three Phase 2 x 1.8kW Fixed Speed Twin Pump Multistage Booster System","description":"\u003cp\u003eLarge commercial developments and multi-building campuses need both substantial water volume and strong vertical head to keep upper-level fixtures pressurised. Powered by two horizontal multistage Calpeda MXHL 805 pumps, the BS2F 2MXHL 805 booster assembly supplies up to 433.4 L\/Min. Where high-pressure boosting is needed, the hydraulic stages can produce up to 54 m of head. This twin-pump configuration meets demanding peak loads while ensuring continuous water availability during routine servicing.\u003c\/p\u003e\u003cp\u003eSmart multi-pump staging is achieved through differential pressure switches wired directly to an onboard microprocessor control board. Rather than running both motors unnecessarily, the board activates the primary pump first and stages the assist pump online only when system pressure falls under heavy draw. Automatic duty alternation rotates the lead position between starts, while anti-cycling timers prevent rapid contactor switching.\u003c\/p\u003e\u003cp\u003eEngineered for clean water durability, the suction and discharge headers are constructed entirely from stainless steel AISI 304. A 65 mm inlet manifold feeds both pumps before converging into a 50 mm outlet header equipped with an external vessel port and a dial pressure gauge. Dedicated isolation ball valves and non-return check valves on each branch prevent backflow and allow individual pump shut-off.\u003c\/p\u003e\u003cp\u003eDrive power comes from a three-phase 415 V electrical supply feeding heavy-duty motors rated at three-phase 230\/400 V. Operating as 2-pole induction machines at 2900 rpm on 50 Hz power, each motor provides 1.8 kW (P2) shaft power and draws 4.8 A under full load. Compliant with IEC 60034 specifications, the windings feature Class F insulation to handle sustained plant-room temperatures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-Pressure Five-Stage Design: Utilises a 5-stage impeller configuration in each pump to sustain pressure across tall risers and long pipe runs.\u003c\/li\u003e\n\u003cli\u003eMicroprocessor Demand Control: Tracks line pressure via differential switches to stage the second pump smoothly during peak usage.\u003c\/li\u003e\n\u003cli\u003eBalanced Duty Alternation: Swaps the starting order between both pumps automatically to prevent uneven seal and bearing wear.\u003c\/li\u003e\n\u003cli\u003eHygienic Stainless Materials: Pairs AISI 316L pump wet ends with AISI 304 manifolds for superior corrosion resistance in potable or heated water.\u003c\/li\u003e\n\u003cli\u003eThermal Versatility: Handles liquid temperatures spanning -15 °C to +110 °C across hot water loops, HVAC plants, and boosted mains.\u003c\/li\u003e\n\u003cli\u003eIndependent Branch Isolation: Includes shut-off ball valves and non-return valves on both pump legs for disruption-free maintenance.\u003c\/li\u003e\n\u003cli\u003ePlant-Room Motor Protection: Combines an IP54 ingress rating with Class F thermal insulation to guard against dust, splashes, and heat.\u003c\/li\u003e\n\u003cli\u003eFactory-Tested Skid Package: Arrives fully assembled on a sturdy baseplate with pre-wired controls and a mounted pressure gauge.\u003c\/li\u003e\n\u003cli\u003eCommercial Warranty Coverage: Backed by a 24 Months warranty for dependable long-term operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2 x Calpeda MXHL 805 horizontal multistage pumps\u003c\/li\u003e\n\u003cli\u003eStainless steel AISI 304 suction manifold\u003c\/li\u003e\n\u003cli\u003eStainless steel AISI 304 delivery manifold\u003c\/li\u003e\n\u003cli\u003eIsolation ball valves\u003c\/li\u003e\n\u003cli\u003eNon-return valves\u003c\/li\u003e\n\u003cli\u003eMicroprocessor control board with differential pressure switches\u003c\/li\u003e\n\u003cli\u003eSystem pressure gauge\u003c\/li\u003e\n\u003cli\u003eFactory assembled and tested boosting plant\u003c\/li\u003e\n\u003cli\u003eSupports a 500 L galvanised diaphragm expansion tank\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Calpeda","offers":[{"title":"Default Title","offer_id":51423235047671,"sku":"BS2F 2MXHL 805","price":16622.1,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/calpeda-bs2f-2mxhl-805-three-phase-2-x-1-8kw-fixed-speed-twin-pump-multistage-booster-system.png?v=1793070867","url":"https:\/\/foundationpumps.com.au\/products\/calpeda-bs2f-2mxhl-805-three-phase-2-x-1-8kw-fixed-speed-twin-pump-multistage-booster-system","provider":"Foundation Pumps","version":"1.0","type":"link"}