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Flanged circulation pump 0.7kW Hmax 12.3m Qmax 220l/min DN40 250mm + counter flange AQUATICA (774167) Pumps of this series are designed for pumping clean water. They can be used for water circulation in central and zonal heating systems, air conditioning systems, and hot water supply systems. Pump part: Housing: cast iron; Motor shaft: ceramic; Impeller: technopolymer. Electric motor: Motor type: asynchronous, silent; Stator windings: copper; Motor stator sleeve: stainless steel AISI 304; Bearing: ceramic radial; Voltage: 220-240 V; Frequency: 50 Hz; Insulation class: H; Protection class: IP44. Connection: Pump DN: 40; Flange DN: 40. Operating conditions: Maximum temperature of pumped liquid: +110 ºC; Maximum ambient temperature: +40 ºC; Permissible pressure in the system: up to 10 bar; Only for clean water without impurities containing abrasives (sand, clay, lime, etc.); Water pH: 6.5 - 8.5; Total water mineralization: no more than 1500 g/m³; Warranty service period: 18 months. Kit: Counter flange - 2 pcs; Gasket - 2 pcs; Bolt, sha