Calpeda NM 32/20C Closed Coupled Centrifugal Pump, Flanged Connections, 277/480V/60 Hz IMP.C-164 60Hz

Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW, new bracket construction for standard motors (stub-shaft construction) from 30 to 75 kW with integrated thrust bearing.

• View productPump casing with axial suction and radial delivery on top, main dimensions, and performance according to EN 733.
• Pump casing and lantern bracket in cast iron.

Calpeda NM 32/20C APPLICATIONS

• For clean liquids without abrasives, which are, non-aggressive
• For the pump materials ( solids content up to 0.2%).
• For water supply.
• For heating, air-conditioning, cooling, and circulation plants.
• For civil and industrial applications.
• For fire fighting applications.
• For irrigation.

Calpeda NM 32/20C OPERATING CONDITIONS

• Liquid temperature from -10 C to +90 C.
• Ambient temperature up to 40 C. Total suction lifts up to 7 m.
• Maximum permissible working pressure up to 16 bar.
• Continuous duty.

Calpeda NM 32/20C MOTOR Spedifications

• 2-pole induction motor, 60 Hz (n ¢â¬¹ ¢â¬œ 3450 rpm).
• Three-phase 220/380 V, 220/440 V, up to 3 kW;380/660 V, from 4 to 75 kW;
• Insulation class F. Protection IP 54 (IP 55 for NMS).
• Motor suitable for operation with a frequency converter from 1,1 kW.
• Classification scheme IE3 for three-phase motors from 0,75 kW. Constructed in accordance with: EN 60034-1; EN 60034-30-1.

Calpeda NM 32/20C BUILDING MATERIALS

• Pump casing: Cast iron.
• Lantern bracket: GJL 200 EN 1561.
• Impeller: Brass CW510L (lead-free public LAW 111-380).
• Shaft: Cr steel AISI 430.
• Cr Ni steel AISI 303
• Mechanical seal: Carbon- Ceramic- NBR.
• Counter-flanges: Steel Fe 430B UNI 7070

Calpeda NM 32/20C SPECIAL FEATURES ON REQUEST

• Other voltages.
• Special mechanical seal
• Higher or lower liquid or ambient temperatures.