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Calpeda - Model NM, NMD -Close Coupled Centrifugal Pumps with Screwed Connections
FromCalpeda S.p.A
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 (BS 2779). NM, NMD: version with pump casing and lantern bracket in cast iron. BNM, BNMD: version with pump casing and lantern bracket in bronze. The pumps are supplied fully painted.
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- 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.
- 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 irrigation.