Calpeda 5” Vertical multi-stage close coupled submersible or surface pumps - Mpsu

Applications

For clean water without abrasives or additives aggressive for the materials of

the pump.

For domestic, civil and industrial applications.

For installation in confined spaces without ventilation.

In environments where there is a risk of flooding, the pump can be fully

submerged.

For plants subjected to water jets.

When low-noise operation is required.

Operating conditions

Water temperature up to 35 °C.

Maximum permissible pressure in the pump casing: 8 bar.

Continuous duty.

Motor

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

MPSU: three-phase

             230 V ± 10%.

             400 V ± 10%.

             Cable: H07RN8-F, 5 m without plug.

MPSUM: single-phase

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

            Incorporated capacitor.

            Float switch MPSUM.. CG (on demand)

            Cable: H07RN8-F, 5 m with CEI-UNEL 47166 plug.

Insulation class F.

Protection IP X8 (for continuous immersion).

Triple impregnation humidity-proof dry winding

Constructed in accordance with

                   EN 60034-1.

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

Special features on request

Other voltages.

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

Cable length 15 m.

Motor suitable for operation with frequency converter.

Designation

Example MPSU 306

MPSU = Series

3 = Rated flow in m3/h

06 = Number of impellers

Materials

Components                                         Material

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

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

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

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

Stage casing                                        PPO-GF20 (Noryl)

Impeller                                              PPO-GF20 (Noryl)

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

Capacitor cover                                   PPS Polymer (Grivory)

Oil chamber cover                               PPS Polymer (Grivory)

Support ring preload                           PPS Polymer (Grivory)

Preload ring stages                             PPS Polymer (Grivory)

Mechanical seal: Upper                       Steatite, carbon, NBR

Mechanical seal: Lower                       Carbon, silicon carbide, NBR

Seal lubrication oil                             Oil for food/pharmaceutical machinery