Close Coupled Centrifugal Pumps
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NM, NMS Close Coupled Centrifugal Pumps with flanged connections The electropumps NM, B-NM, NMS, B-NMS series comply with the European Regulation no. 547/2012. Construction Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW, new bracket construction for standard motors (stub-shaft construction) from 30 to 75 kW with integrated thrust bearing. Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733. NM(S): version with pump casing and lantern bracket in cast iron. B-NM(S): version with pump casing and lantern bracket/casing cover in bronze. (the pumps are supplied fully painted). Connections: Flanges according to PN 10, EN 1092-2. Version with frequency converter (on request) Applications For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0,2%). For water supply. For heating, air conditioning, cooling and circulation plants. For civil and industrial applications. For fire fighting applications. For irrigation. Operating conditions Liquid temperature from -10 °C to +90 °C. Ambient temperature up to 40° C. Total suction lift up to 7 m. Maximum permissible working pressure up to 10 bar (16 bar for NM 40/16,20; NM 50/12,16; NM 65/12,16,20,25; NM 80/16). Continuous duty. Motor 2-pole induction motor, 50 Hz (n » 2900 rpm). NM, NMS: three-phase 230/400 V ± 10% up to 3 kW; 400/690 V ± 10% from 4 to 75 kW. Insulation class F. Protection IP 54 (IP 55 for NMS). Motor suitable for operation with frequency converter from 1,1 kW. Classification scheme IE3 for three-phase motors from 0,75 kW. Constructed in accordance with: eN 60034-1; EN 60034-30-1. Special features on request - Other voltages. - Frequency 60 Hz (as per 60 Hz data sheet). - Protection IP 55.- Special mechanical seal. - Packed gland (only for NM standard construction). - Single-phase motor (NMM) up to 1,5 kW. - Higher or lower liquid or ambient temperatures. - Motor suitable for operation with frequency converter up to 0,75 kW.

Close Coupled Centrifugal Pumps with flanged connections Pumps with frequency converter The NM EI pumps are available with power from 0,55 kW up to 22 kW, the pumps are equipped with I-MAT installed on board which allows to realize a variable-speed system extremely compact and efficient, ideal in applications of water supply and in the distribution of hot and cold water. The pump is equipped with transducers suitable for operation and is already programmed at the factory. Advantages - Energy saving - Compact design - Easy to use - Programmable to suit the system requirements - Reliability...

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections NM(S) Standard construction. B-NM(S) Bronze construction. P2 Rated motor power output. H Total head in m. * Maximum suction lift 1-2 m. ° With 1 m suction head. Tolerances according to UNI EN ISO 9906:2012Rated currents P kW

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections Dimensions and weights Picture ° Version without coupling guard Pumps with packed gland, dimensions available on request (excluded NMS). 29

Close Coupled Centrifugal Pumps with flanged connections calpeda Dimensions and weights Picture

Close Coupled Centrifugal Pumps with flanged connections

Close Coupled Centrifugal Pumps with flanged connections Dimensions and weights Picture * Version without coupling guard

Close Coupled Centrifugal Pumps with flanged connections Dimensions and weights ID ID Picture

Close Coupled Centrifugal Pumps with flanged connections Cutting edge hydraulics The geometry of the impeller and the pump casing are optimized to achieve maximum efficiency and the best suction capability. Flexible The option to choose between cast iron and bronze mate-rias for the hydraulic parts in contact with the pumped liquid allows NM series pumps to be selected for use with different types of liquids. Compact Design The compact design allows for easy installtion even in confined spaces. Exclusive design An innovative, patented guard prevents contact with rotating parts, proving...