CALPEDA NM4,NMS4 series

Centrifugal pump

Properties

The pumps in the NM,NMS series are centrifugal pumps in block design with a 4-pole motor (n ≈ 1450 rpm).
Motor and pump are connected to form a block unit with a common shaft (up to 15 kW).
New design of the drive lantern with integrated axial bearing, for standard motors from 18.5 to 75 kW, (stub shaft design).
Volute casing with suction port axial and discharge port radial to the top, with main dimensions and performance according to EN 733 with additional sizes.

NM(S)4: Version with pump housing and lantern made of gray cast iron.

B NM(S)4: Version with pump housing and lantern/pressure cover
made of bronze.

• New design of the drive lantern with integrated axial bearing, for standard motors from 18.5 to 75 kW, (stub shaft design).
• NM(S)4: Version with pump housing and lantern made of gray cast iron.
• B-NM(S): Version with pump housing and lantern/pressure cover made of bronze.

– For pure liquids, without abrasive components that do not attack the pump materials (solids content up to 0.2% max), other applications (see below):

Specifications

Power range

• Power range: 0.25-75kW
• max. Flow rate: 480m³/h or 8000l/min
• max. Conveying height: 95m