Standardised centrifugal monobloc electric pumps with coupling, designed for a wide range of applications, such as:
water supply, hot water circulation for the heating system, circulation of cold water for air conditioning and refrigeration systems, transfer of liquids in agricultural, horticultural, and industrial environments, installation of pumping assemblies.
Liquid Type: Liquid temperature range: from -10°C to +140°C
Uses: from 1 to 460 m3/h with head of up to 96 metres.
Applications: Single-stage, cast iron spiral body made to DIN-EN 733 (formerly DIN 24255), cast iron support, flanges in accordance with DIN 2533. Cast iron impeller, encased and dynamically balanced with compensation of the axial thrust by means of balancing holes, operating (on request) with interchangeable consumable rings. AISI 304 stainless steel pump shaft. Seal:standardised mechanical seal made to DIN 24960 in carbon / carborundum with O’ rings in EPDM.
Typology:
Family: Closed, asynchronous motor with external ventilation, 2 poles for NKP and 4 poles for NKM. Rotor mounted on oversized ball bearings to ensure silent running and long life. We recommend using overload protection for the motor, in accordance with current norms. In the case of liquids denser than water, the motors must be proportionally more powerful.
Application Limit: Built to: IEC 2-3 standards Protection level: IP 55 Insulation level: F Standard voltage: 230/400 V 50 Hz up to 2,2 Kw included 400 V Δ 50 Hz over 2,2 Kw Speed of rotation: 1450 - 2900 1/min. Operating range: from 1 to 105 m3/h with head up to 96 metres. Characteristics of pumped liquid: clean, free from solids or abrasive substances,not viscous,not aggressive, not crystallised and chemically neutral and close to the characteristics of water. Liquid temperature range: from -10°C to +140°C Maximum ambient temperature: +40°C Maximum operating pressure: 16 bar - 1600 kPa Flanging: PN 16 DIN 2533 Installation: normally horizontal or vertical provided the motor is always above the pump. Special versions on request: pumps for liquids other than water. Other voltages and/or frequencies.
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