Calpeda NM40/20 End Suction Centrifugal Water Pump, Flanged Connections, 230/460V, 60Hz

- Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump.
- Pump casing with axial suction and radial delivery on top, main dimensions, and performance according to EN 733.
- NM: version with pump casing and motor bracket in cast iron.
- B-NM: version with pump casing and motor bracket/cover in bronze. (the pumps are supplied fully painted).

Connections: Flanges according to PN 10, EN 1092-2.
Counter-flanges (on request)

WATER PUMP 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.

PUMP OPERATING CONDITIONS

• Liquid temperature from 14 F to 194 F.
• Ambient temperature up to 104 F
• Total suction lift up to 21 ft
• Maximum permissible working pressure up to 140 psi.
• Continuous duty.

PUMP MOTOR

• 2-pole induction motor, 60 Hz (n ¢â¬¹ ¢â¬œ 3450 rpm).
• NM: three-phase 230/460 V.
• Insulation class F. Protection IP 55
• Classification scheme IE2
• Constructed in accordance with: EN 60034-1; EN 60034-30.

CONSTRUCTION MATERIALS

• Pump casing: Cast iron.
• Motor Bracket: GJL 200 EN 1561.
• Impeller: Brass CW510L (lead-free public LAW 111-380).
• Shaft: Cr steel AISI 430.
• Mechanical seal: Carbon- Ceramic- NBR.

SPECIAL FEATURES ON REQUEST

• Other voltages.
• Protection IP 55.
• Bronze impeller.
• Special mechanical seal.
• Packed gland (only for NM standard construction).
• Single-phase motor (NMM) up to 1.5 kW.
• Explosion-proof construction in accordance with Directive94/9 EEC (ATEX).
• Higher or lower liquid or ambient temperatures.