Pump Calpeda NM 50/20BA use for :
- Clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0.2%)
- Water supply
- Heating, air conditioning, cooling and circulation plants
- Civil and industrial applications
- Fire fighting applications
- Irrigation
Construction :
- 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 versions in cast iron
Connections : Flanges according to PN 10, EN 1092-2
Operating Conditions of Pump Calpeda NM 50/20BA:
- 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 : NM50/20B/A
- Rated motor power output (P2) : 9,2 kW 12,5 hp
- Capacity :
24 m³/h 400 l/min ; Head : 48 m
27 m³/h 450 l/min ; Head : 47,5 m
30 m³/h 500 l/min ; Head : 47,5 m
33 m³/h 550 l/min ; Head : 47 m
37,8 m³/h 630 l/min ; Head : 45,5 m
42 m³/h 700/min ; Head : 44,5 m
48 m³/h 800 l/min ; Head : 42,5 m
54 m³/h 900 l/min ; Head : 40 m
60 m³/h 1000 l/min ; Head : 37 m
66 m³/h 1100 l/min ; Head : 33 m
69 m³/h 1150/min ; Head : 30,5 m
72 m³/h 1200 l/min ; Head : 28 m
75 m³/h 1250 l/min ; Head : 25,5 m
78 m³/h 1300 l/min ; Head : 23 m