Calpeda Self Priming Pump 3kw, 4hp Bronze

Flexible

The option to choose between cast iron and bronze materials for the hydraulic parts in contact with the pumped liquid allows NMP series pumps to be selected for use with different types of liquids.

Stainless steel filter

A large capacity Stainless steel filter is fitted which is easy to remove for inspection and cleaning.

Exclusive design

An innovative, patented guard prevents contact with rotating parts, proving protection to the end user whilst allowing for inspection of the mechanical seal.

Reliable

The bearing and shaft are designed to ensure the reduction of the stress, providing high reliability under all operating conditions.

Construction

Close-coupled self-priming centrifugal pumps with built-in strainer.

• Inner basket with O 3 mm holes
• Pump casing and lantern bracket in bronze (the pumps are supplied fully painted)

Applications

• For water circulation in swimming pool filtration systems.
• For clean or slightly dirty water with solids in suspension.

Operating conditions

• Liquid temperature up to 60° C
• Ambient temperature up to 40° C
• Total suction lift up to 7 m
• Maximum permissible working pressure up to 6 bar
• Continuous duty

Motor

• 2-pole induction motor, 50 Hz (n ≈ 2900 rpm)
• NMP: three-phase 230/400 V ± 10% up to 3 kW; 400/690 V ± 10% from 4 to 7,5 kW;
• NMPM: single-phase 230 V ± 10%, with thermal protector.Insulation class F. Protection IP X4
• 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.