Centrifugal Pump NM 50/12DA can be used 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 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 lantern bracket in cast iron.
Connections : Flanges according to PN 10, EN 1092-2
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)
NM : 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 of Centrifugal Pump NM 50/12DA :
- Type : NM 50/12D/A
- Rated motor power output (P2) : 3 kW 4 HP
- Capacity :
30 m³/h 500 l/min ; Head : 20 m
33 m³/h 550 l/min ; Head : 19,5 m
37.8 m³/h 630 l/min ; Head : 18,5 m
42 m³/h 700 l/min ; Head : 18 m
48 m³/h 800 l/min ; Head : 16,5 m
54 m³/h 900 l/min ; Head : 14,5 m
60 m³/h 1000 l/min ; Head : 13 m
66 m³/h 1100 l/min ; Head : 10,5 m
69 m³/h 1150 l/min ; Head : 9 m
72 m³/h 1200 l/min ; Head : 8 m
