Calpeda NM 50/25CA close coupled centrifugal pump with flange connection for :
- Clean liquids without abrasive, 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 of Calpeda NM 50/25CA :
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 in cast iron
Connections : Flanges according to PN 10, EN 1092-2
Operating Conditions of Pump Calpeda NM 50/20B/A:
- 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 : NM50/25C/A
- Rated motor power output (P2) : 11 kW 15 hp
- Capacity :
24 m³/h 400 l/min ; Head : 55 m
27 m³/h 450 l/min ; Head : 54,5 m
30 m³/h 500 l/min ; Head : 54 m
33 m³/h 550 l/min ; Head : 53 m
37,8 m³/h 630 l/min ; Head : 51,5 m
42 m³/h 700/min ; Head : 49,5 m
48 m³/h 800 l/min ; Head : 46 m
54 m³/h 900 l/min ; Head : 41,5 m
60 m³/h 1000 l/min ; Head : 35,5 m
66 m³/h 1100 l/min ; Head : 28,5 m
69 m³/h 1150/min ; Head : 24,5 m