Calpeda One-piece horizontal multi-stage pumps - Mxh

Applications

For water supply systems.

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 -15°C to +110°C.

Ambient temperature up to 40° C.

Maximum permissible pressure in the pump casing: 10 bar, 8 bar for MXH 16.

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

Motor

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

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

400/690 V ± 10%, from 3.7 to 7.5 kW;

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

Capacitor inside the terminal box.

Insulation class F.

Protection IP 54.

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

Pumps with ports with Victaulic couplings (-V) for MXH versions 32, 40.

Pumps with flanged ports (-F) for MXH versions 20, 32, 40.

Other voltages.

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

Protection IP 55.

Special mechanical seal

Pump casing seal rings in FPM.

Higher or lower liquid or ambient temperatures.

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

Designation

Example: MXH(L) (-V, -F) EI 206/B

MXH = Series

L = Version in 1.4404 EN 10088 (AISI 316L) for MXH 2, 4, 8

(-V) = Version with Victaulic couplings for MXH 32, 40

(-F) = Version with flanged ports for MXH 20, 32, 40

EI = With frequency converter I-MAT

2 = Rated flow in m3/h

06 = Number of impellers

/B = It refers to a revision

Materials

Components                   MXH                                                                                MXHL (2,4,8)

Pump casing                  Chrome-nickel steel 1.4301 EN 10088 (AISI 304)                Stainless Steel 1.4404 EN 10088 (AISI 316L)

Stage casing                  Chrome-nickel steel 1.4301 EN 10088 (AISI 304)                Stainless Steel 1.4404 EN 10088 (AISI 316L)

Wear ring                       PPS                                                                                 PPS

Impeller                       Chrome-nickel steel 1.4301 EN 10088 (AISI 304)                 Stainless Steel 1.4404 EN 10088 (AISI 316L)

Casing cover                 Chrome-nickel steel 1.4301 EN 10088 (AISI 304)                 Stainless Steel 1.4404 EN 10088 (AISI 316L)

Spacer sleeve               Chrome-nickel steel 1.4301 EN 10088 (AISI 304)                 Stainless Steel 1.4404 EN 10088 (AISI 316L)

Pump shaft                   Steel 1.4305 EN 10088 (AISI 303) for MXH 2, 4, 8, 16          Stainless Steel 1.4404 EN 10088 (AISI 316L)

Stainless                      Steel 1.4401 EN 10088 (AISI 316) for MXH 20, 32, 48           -

Plug Chrome-nickel       steel 1.4305 EN 10088 (AISI 303)                                       Stainless Steel 1.4404 EN 10088 (AISI 316L)

Mechanical seal

with seat according to ISO 3069 - Ceramic alumina/Carbon/EPDM                            Ceramic alumina/Carbon/EPDM