Centrifugal Pump Calpeda NM40/20DE use for :
- Clean liquids without abrasives, which are non-aggressive for the pump materials (solids ontent up to 0.2%)
- Water supply
- For heating, air conditioning, cooling and circulation plants
- Civil and industrial applications
- Fire fighting applications
- Irrigation
Construction of Centrifugal Pump Calpeda NM40/20DE :
Close coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump. Pump casing with radial suction and radial delivery on top, main dimensions and performance according to EN 733.
NM version in cast iron
Connections : Flange according to PN, EN 1092-2
Operating Conditions :
- Liquid temperature from -10℃ to 90℃
- Ambient temperature u 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
- Protection IP 55
- Special mechanical seal
- Explosion proof construction in accordance with Directive 94/9 EEC (ATEX)
- Higher or lower liquid or ambient temperatures
Specification :
- Type : NM 40/16C/A
- 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 : 38m
18,9 m³/h 315 l/min ; Head : 37 m
21 m³/h 350/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 630 l/min ; Head : 14m