Calpeda NM 40/20DE Close coupled centrifugal pump; 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 lantern bracket in cast iron.
Connections : Flanges according to PN 10, EN 1092-2
Applications of Calpeda NM 40/20DE :
- 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
Operating conditions :
Liquid temperature from -10℃ to 90 ℃
Ambient temperature up to 40 ℃
Total suction lift up to 7 m
Maximum permissible working pressure up to 10 bar
Continuous duty
Motor :
2 Pole induction motor, 50 Hz (n = 2900 rpm)
three-phase :
– 230/400 V ± 10% up to 3 kW
– 400/ 690 V ± 10% from 4 to 75 kW
Insulation class F
Protection IP 54
Constructed in accordance with EN 60034-1
Special Features on Request :
- Other voltages
- Frequency 60 Hz (as per 60 Hz data sheet)
- Protection IP 55
- 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 Directive 94/9 EEC (ATEX)
- Higher or lower liquid or ambient temperatures
Specification :
Specification :
- Type : NM 40/20DE
- Rated motor power output (P2) : 4 kW 5,5 HP
- Capacity :
15 m³/h 250 l/min ; Head : 39 m
16,8 m³/h 280 l/min ; Head : 38 m
18,9 m³/h 315 l/min ; Head : 37 m
21 m³/h 350 l/min ; Head : 35,5 m
24 m³/h 400 l/min ; Head : 33,5 m
27 m³/h 450 l/min ; Head : 30,5 m
30 m³/h 500 l/min ; Head : 27 m
33 m³/h 550 l/min ; Head : 22,5 m
37,8 m³/h 550 l/min ; Head : 14 m
