Calpeda NC High Efficiency Energy Circulating Pumps (1 curve)
NC High Efficiency Energy Circulating Pumps (1 curves)
Construction:
Circulating pumps with a permanent magnet synchronous motor.
Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line)
Brass or cast iron unions on request.
Applications
-For clean liquids, without abrasives, which are non-aggressive for the pump materials.
-For heating plants.
-For circulation plants.
Technical data
Temperature of liquid: - from +2 °C to +95 °C.
Ambient temperature from +2 °C to +40 °C
Maximum permissible working pressure: 6 bar
Storage: -20 °C/+70 °C max. relative humidity 95% at 40 °C
Certifications: in conformity with CE requirements
Sound pressure ≤ 43 dB (A).
Minimum suction pressure: 0,3 bar at 95 °C.
Maximum glycol quantity: 40%
EMC according to: EN 55014-1, EN 61000-3-2, EN 55014-2
Connections: threaded ports ISO 228: G 1 1/2, G 2
Motor
Synchronous motor with permanent magnet.
-Motor: 3000 rpm constant
-Standard Voltage: single-phase 230 V (-10%; +6%)
-Frequency: 50 Hz - Protection: IP 44
-Insulation class: H - Class II appliance
-Overload protection (jammed rotor):
1) automatic protection with electronic rotor release.
2) Overload thermal protector
-Cable: phases and neutral
-Constructed in accordance with: EN 60335-1, EN 60335-2-51