CALPEDA MXSU Stainless Steel Vertical Multistage Pumps.

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 space with minimum ventilation.
• For installation in areas exposed to water jetting.

Construction

• Vertical multistage close coupled pumps in chrome-nickel stainless steel, with motor shields in brass.
• Suction connection on the lower casing and delivery connection on the top casing.
• Motor cooled by the pumped water passing between the motor jacket and the external jacket.
• Double mechanical shaft seal with interposed oil chamber.

Operating Conditions

• Liquid temperature up to 35°C.
• Maximum permissible working pressure up to 10 bar.
• Continuous duty.

Materials

Components	Material
External jacket, Suction casing, Stage casing, Impeller, Oil chamber cover, Spacer sleeve, Motor jacket	Chrome-nickel steel 1.4301 EN 10088 (AISI 304)
Motor shield, Elbow	(Brass P-Cu Zn 40 Pb2 UNI 5705 for NR50)
Shaft	Chrome-nickel steel 1.4301 EN 10088 (AISI 304)
Upper mechanical seal Lower mechanical seal	Steatite, carbon, NBR Ceramic alumina, carbon, NBR
Seal lubrication oil	Oil for food machinery and pharmaceutic use

Motor

• 2 Pole induction motor, 50Hz.
• MXSU : 3ph 230V ± 10% (220-240V); 3ph 400V ± 10% (380-415V);
• MXSUM : 1ph 230V ± 10% (220-240V), with thermal protector. Control box with capacitor on request.
• Cable: H07RN-F, 4 x 1 mm², length 2m.
• Insulation class F
• Protection IP68 (for continuous immersion).
• Triple impregnation humidity-proof dry winding.
• Constructed in accordance with EN 60335-2-41.

Special Features On Request

• Other voltages.
• Frequency 60Hz.

Please click here for a technical data sheet (101kb)