Construction
Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump. NM: single-impeller
NMD: with two back-to-back impellers (with axial thrust balancing).
Connections: threaded ports ISO 228/1.
threaded ports NPT (ANSI/ASME B1.20.1) on request
NM, NMD: version with pump casing and lantern bracket in cast iron. B-NM, B-NMD: version with pump casing and lantern bracket in bronze. (the pumps are supplied fully painted).
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 pumps NMD 25/190; NMD 32/210; NMD 40/180). Continuous duty.