{"product_id":"grundfos-magna1-32-40-f-cast-iron-variable-speed-circulator-pump-heating-surfaces-composite-impeller","title":"Grundfos MAGNA1 32-40 F Cast Iron Variable Speed Circulator Pump for Heating Surfaces with Composite Impeller","description":"\u003cp\u003eCombining flanged installation with variable-speed control, the Grundfos MAGNA1 32-40 F circulator pump is suited for commercial fan coil loops, radiant ceiling manifolds, and small chiller circuits. Its integrated frequency converter automatically adjusts speed based on real-time zone valve positions.\u003c\/p\u003e\n\u003cp\u003eThe casing is cast from EN-GJL-200 iron with a 220 mm port-to-port dimension and DN 32 DIN flanges, housing a composite impeller and canned rotor motor. Built for 10 bar operating pressure, it accommodates fluid temperatures from -10°C to 110°C, weighing 7.41 kg.\u003c\/p\u003e\n\u003cp\u003eThe 1-phase 230-240 V permanent magnet motor has a maximum power input (P1) of 9 W to 73 W while electrical power input (P1) consumes between 9 W and 73 W with a maximum current of 0.59 A. Hydraulic performance achieves a flow rate of 4.24 m³\/h (71 L\/Min) against a maximum head of 3.391 m through DN 32 flanged pipe connections.\u003c\/p\u003e\n\u003cp\u003eThe user interface provides single-touch selection of nine operational modes including proportional pressure, constant pressure, and fixed speed curves. The unit achieves an EEI rating of 0.20, IPX4D ingress protection, Class F insulation, and built-in fault relay terminals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDN 32 four-bolt flanged body enables direct integration into commercial piping\u003c\/li\u003e\n\u003cli\u003ePermanent magnet ECM motor with integrated VFD achieves an EEI rating of 0.20\u003c\/li\u003e\n\u003cli\u003ePower consumption self-modulates between 9 W and 73 W to reduce energy use\u003c\/li\u003e\n\u003cli\u003eCast iron EN-GJL-200 housing built for 10 bar maximum system working pressure\u003c\/li\u003e\n\u003cli\u003eComposite impeller resists chemical attack and cavitation in closed loops\u003c\/li\u003e\n\u003cli\u003eDigital start\/stop input and fault alarm relay output for building control systems\u003c\/li\u003e\n\u003cli\u003eStandard 220 mm port-to-port length with universal DIN PN 6\/10 flange holes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":51139445227767,"sku":"99221263","price":1690.81,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-magna1-32-40-f-cast-iron-variable-speed-circulator-pump-heating-surfaces-composite-impeller.png?v=1789019353","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-magna1-32-40-f-cast-iron-variable-speed-circulator-pump-heating-surfaces-composite-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}