Calpeda Vertical multi-stage close coupled pumps - MXV-B

Applications

For water supply systems.

For clean non-explosive liquids, without solid, filamentary or abrasive matter

and non-aggressive for stainless steel (with adaptation of sealing materials on

request).

A universal pump for civil and industrial use, for pressure boosting systems,

high-pressure washing plants, irrigation, agricultural uses and sport installations.

Operating conditions

Temperature of liquid: from -15 °C to +90 °C.

Ambient temperature up to 40° C.

Maximum permissible pressure in pump casing: 16 bar.

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

Motor

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

       MXV-B: three-phase 230/400 V ± 10% up to 3 kW;

400/690 V ± 10% from 3,7 to 7,5 kW.

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

Insulation class F.

Protection IP 54.

Three-phase motor suitable for operation with frequency converter.

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

IE3 efficiency class for three-phase motors.

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

Pump casing seal rings in FPM.

Higher or lower liquid or ambient temperatures.

Designation

Example MXV-BM EI 25-305 O

MXV-B = Series

M = Single-phase motor (up to 1.5 kW)

EI = With frequency converter I-MAT

25 = DN ports in mm

3 = Rated capacity in m3/h

05 = Number of stages

O = Oval flanges

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

Materials

Components                                                      Material

External jacket                                                 Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Suction casing                                                  Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Delivery casing                                                 Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Stage casing                                                     Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Impeller                                                           Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Lower cover                                                      Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Upper cover                                                      Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Spacer sleeve                                                   Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Shaft                                                               Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Plug                                                                 Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Mechanical seal                                                 Hard metal/Carbon/EPDM

Wear ring                                                          PPS

O-ring                                                              NBR

Oval Counterflanges                                         Steel 1.4301 EN 10088 (AISI 304) (galvanized steel for MXV-B 50)