Calpeda NR NR4
Close-coupled, single-impeller, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line).
For clean liquids, without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%).
For heating, conditioning, cooling and circulation plants.
For civil and industrial applications.
When low noise operation is required (n ≈ 1450 rpm).