Calpeda NR In-line Pumps

Calpeda NR In-line Pumps
NR In-line Pumps

Calpeda NR In-line Pumps Construction

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).
Connections: Flanges PN 10, EN 1092-2. [Counter flanges (on request)]

 

Applications
For clean liquids, without abrasives, which are non-aggressivefor 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).

Operating conditions
Liquid temperature from -10 °C to +100 °C.
Ambient temperature up to 40 °C.
Total suction lift up to 7 m.
Maximum permissible working pressure up to 10 bar.
Continuous duty.

Motor
4-pole induction motor, 50 Hz (n = 1450 rpm).
NR:    three-phase 230/400 V ± 10%.
NRM: single-phase 230 V ± 10%.
2-pole induction motor, 50 Hz (n = 2900 rpm).
NR .../2:    three-phase 230/400 V ± 10%.
NRM .. J2: single-phase 230 V ± 10%.
Insulation class F.
Protection IP 54.
Constructed in accordance with IEC 60034.

Special features on request
- Other voltages. - Frequency 60 Hz (as per 60 Hz data sheet). - Protection IP 55.
- Special mechanical seal. - Higher or lower liquid or ambient temperatures.

Download Calpeda NR In-line Pumps Catalogue