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Close-coupled centrifugal electric pump Calpeda, double impeller, NMDM 20/110A/A HP1 230V. with threaded ports Performances NMDM 20/110A/A: Rated motor power 0.75 kW. 1HP Head (H.) Max 43 M. - 16 Lt./Min. Head (H.) Min. 25 M. - 70 Lt./min. Flow rate Q min./max. 1/4,2 mc/h. Uses NMDM 20/110A/A: - For clean liquids without abrasive parts,not aggressive for pump materials (with solid parts up to 0.2% max). - For water supply. - For heating, air-conditioning, cooling and circulation systems. - For civil and industrial applications. - For fire fighting systems - For irrigation.
Performances Electric pump Calpeda NMDM 20/110A/A:
Rated motor power 0.75 kW. 1HP
Head (H.) Max 43 M. - 16 Lt./Min.
Head (H.) Min. 25 M. - 70 Lt./min.
Flow rate Q min./max. 1/4,2 mc/h.
Motor Electric pump Calpeda:
2-pole induction motor, 50 Hz (n = 2900 1/min).
Single-phase 230 V ± 10%, with thermal protector.
Insulation class F.
Protection IP 54.
Motor suitable for operation with 1.1 kW inverter.
Execution according to EN 60034-1; EN 60034-30-1.
EN 60335-1, EN 60335-2-41.
Execution Electric pump:
Close-coupled centrifugal electric pump with direct motor-pump coupling and single shaft, with two opposing impellers (with balanced axial thrust).
Mouths: threaded UNI-ISO 228/1.
Pump body and fitting in cast iron.
Applications Electric pump NMDM 20/110A/A:
- For clean liquids without abrasive parts, not aggressive for the pump materials (with solid parts up to 0,2% max).
- For water supply.
- For heating, air-conditioning, cooling and circulation systems.
- For civil and industrial applications.
- For fire fighting systems
- For irrigation.
Utilisation limits Calpeda:
Liquid temperature: from -10 °C to +90 °C.
Ambient temperature up to 40 °C.
Manometric suction height up to 7 m.
Maximum allowable final pressure in the pump casing: 10 bar.
Continuous duty.
Materials Calpeda NMDM 20/110A/A:
Pump body - Cast iron
Coupling - GJL 200 EN 1561
Impeller - Brass P- Cu Zn 40 Pb 2 UNI 5705
Shaft - Cr steel AISI 430
Mechanical seal - Carbon - ceramic - NBR
The electric pump NMDM 20/110A/A complies with the European Regulation N. 547/2012
Constructional characteristics Electric pump Calpeda NMDM 20/110A/A:
Robust construction
The mechanical structure of the parts in contact with the liquid is sized to ensure maximum resistance to mechanical stress.
Reliability
The sizing of the bearings and the shaft are designed in such a way as to guarantee the reduction of stress, ensuring high reliability in all operating conditions.
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Technical data sheet Electric pump Calpeda NMDM 20/110A/A