Calpeda close-coupled, centrifugal pumps - Nmx

Applications

For water supply.

For clean liquids, without abrasives, which are non-aggressive for stainless steel

(with suitable seal materials, on request).

Universal pump, for domestic use, for civil and industrial applications, for garden

use and irrigation.

Operating conditions

Liquid temperature from -10 °C to +90 °C.

Ambient temperature up to 40° C.

Maximum permissible working pressure up to 10 bar.

Continuous duty (S3 60% for single-phase pump to 1,5-1,8 kW).

Motor

2-pole induction motor, 50 Hz (n ≈ 2900 rpm).

NMX: three-phase 230/400 V ± 10%.

NMXM: single-phase 230 V ± 10%, with thermal protector.

Insulation class F.

Protection IP54

Motor suitable for operation with frequency converter from 1,1 kW.

IE2 efficiency class for single-phase motors up to 1,1 kW.

IE3 efficiency class for three-phase motors (IE2 up to 0,65 kW).

- Constructed in accordance with EN 60034-1, EN 60034-30-1,

EN 60335-1, EN 60335-2-41.

Special features on request

Other voltages.

Frequency 60 Hz (as per 60 Hz data sheet).

IP protection: IP55

Special mechanical seal

Higher or lower liquid or ambient temperatures.

Motor suitable for operation with frequency converter up to 0,75 kW.

Designation

Example: NMX(L)M 25/70B/B

NMX = Series

L = Version in AISI 316.

M = Single-phase version (no indication: three-phase)

25 = Delivery port diameter in mm

70 = Hydraulic code

B = Impeller size

/B = It refers to a revision

The electropumps comply with the European Regulation no. 547/2012.