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Centrifugal electric pump Calpeda NMDM 20/140 BE Single-phase
Applications Electric pump Calpeda NMDM 20/140 BE: - 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 20/140 BE Normal execution Nominal motor power: 1,1 kW - 1,5 HP Total head min. 45 Mt. Total head max. 52 Mt.
Close-coupled centrifugal pump with threaded ports
Construction features Electric pump Calpeda NMDM 20/140 BE:
Compact design: The compact structure allows the product to be easily installed even in small spaces.
Robust construction: The mechanical structure of the parts in contact with the liquid is sized to guarantee maximum resistance to mechanical stress.
Exclusive design: The design of the fitting prevents contact with rotating parts of the pump safeguarding the safety of users and ensuring the seal can be inspected.
Reliability: The sizing of the bearings and the shaft are designed in such a way as to ensure the reduction of stresses achieving high reliability in all operating conditions
Flexibility: The possibility of being able to choose, for the part in contact with the liquid, cast iron or bronze, allows the use of NMD pumps with liquids of different nature.
Execution Electric pump Calpeda NMDM 20/140 BE:
Close-coupled centrifugal electric pump with direct motor-pump coupling and single shaft.
Model NMD: with two opposing impellers (with balanced axial thrust)
Mouths: threaded UNI-ISO 228/1.
NMD model: version with pump body and fitting in cast iron.
Applications Electric pump Calpeda NMDM 20/140 BE:
- 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.
Limits of use Electric pump Calpeda NMDM 20/140 BE:
Liquid temperature: -10 °C to +90 °C.
Ambient temperature up to 40 °C.
Manometric suction height up to 7 m.
Maximum permissible final pressure in the pump casing: 10 bar.
Continuous duty.
Motor Electric pump Calpeda NMDM 20/140 BE:
2-pole induction motor, 50 Hz (n = 2900 1/min).
Model NMDM: 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.
Materials Electric pump Calpeda NMDM 20/140 BE:
Pump body: Cast iron
Coupling: GJL 200 EN 1561
Impeller: Brass P- Cu Zn 40 Pb 2 UNI 5705
Shaft: Cr Ni steel AISI 303
Mechanical seal: Carbon - ceramic - NBR
Performances Electric pump Calpeda NMDM 20/140 BE:
Normal execution
Nominal motor power: 1,1 kW - 1,5 HP
Total head min. 45 Mt.
Total head max. 52 Mt.
Dimensions and weight Electric pump Calpeda NMDM 20/140 BE:
Weight 23,9 Kg.
Upper connection 1"
Side connection 1"1/4
Width 417 mm.
Total height 264 mm.
Total depth 220 mm.
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