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Energy saving twin circulating pumps with flanges

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  • Description
    Execution

    Energy-saving variable speed circulating pump driven by a permanent magnet
    synchronous motor (pm) controlled by on board inverter.
    • Dry running detection
    • Automatic venting function
    Digital input and output
    • Start / stop input
    • Relay output
    • 0-10V input
    • 4-20 mA input
    • Modbus (RS485 and TCP / IP)

    Applications

    The energy-efficient circulation pump is designed for water circulation in heating systems.
    Underfloor heating systems
    Single-pipe systems
    Two-pipe systems
    Pumping liquid:
    Clean, non-aggressive and non-expolosive liquids, not containing solid particles, fibers or mineral/vegetable oil
    In heating systems, water must meet the requirements of accepted standards of water quality in heating systems.

    Operating conditions

    – Liquid temperature from -10 °C to +110 °C
    – Ambient temperature from 0 °C to +40 °C
    – Maximum permissible working pressure: 10 bar
    – Storage: -20°C/+70°C max. relative humidity 95% at 40 °C
    – Certifications: in conformity with CE requirements
    – Sound pressure ≤ 40 dB (A).
    Minimum suction pressure: – 0,05 bar at 75 °C, 0,28 bar at 90 °C.
    – Maximum glycol quantity: 20%.
    EMC according to: EN 55014-1, EN 55014-2, EN 61000-3-2, EN 61000-3-3.
    Connections: threaded ports ISO 228: G 1 1/2, G 2.
    – The benchmark for most efficient circulators is EEI ≤ 0,20.

Why Calpeda Pumps…

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Cost-effective

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Environmental Impact

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Reliable

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Durable

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Versatility

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Innovative Features

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