Centrifugal Pump NMD 25/190C/B Calpeda close coupled electric motor with extended shaft directly connected to the pump.
NMD with two back-to-back impellers (with axial thrust balancing)
Connections : threaded ports ISO 228/1 (BS 2779)
Version this pump with pump casing and lantern bracket in cast iron.
Applications :
Centrifugal Pump NMD 25/190C/B Calpeda can be used for :
- Clean liquids without abrasives, which are non-aggressive for the pump materials
- Water supply
- Heating, air conditioning, cooling and circulation plants
- Civil and industrial applications
- Fire fighting applications
- Irrigation
Operating Conditions :
- Liquid temperature -10 deg. C to +90 deg. C
- Ambient temperature up to 40 deg. C
- Total suction lift up to 7 m
- Maximum permissible working pressure up to 16 Bar
- Continuous duty
Motor :
- 2 pole induction motor, 50 HZ (2900 rpm)
- Three phase
230/ 400 V +/- 10% up to 3 kW
400/ 690 V +/- 10% from 4 to 9,2 kW - Insulation class F
- Protection IP 54
- Motor suitable for operation with frequency converter from 1,1 kW
- IE3 efficiency class for three-phase motors
Materials :
| Model | NMD 25/190C/B |
| Pump casing Lantern bracket | Cast iron |
| Impeller | Brass |
| Shaft | Stainless steel |
| Mechanical seal | Carbon – Ceramic – NBR |
Specification :
- Model : NMD 25/190C/B
- Rated motor power output (P2) : 2,2 kW, 3 HP
- Capacity :
– 2,4 m³/h 40 l/min ; Head : 62 m
– 3 m³/h 50 l/min ; Head : 60,5 m
– 3,6 m³/h 60 l/min ; Head : 59 m
– 4,8 m³/h 80 l/min ; Head : 55,5 m
– 6 m³/h 100 l/min ; Head : 51 m
– 6,6 m³/h 110 l/min ; Head : 48,5 m
– 7,5 m³/h 125 l/min ; Head : 44 m
– 8,4 m³/h 140 l/min ; Head : 38 m - Input : 1.5 Inch
- Output : 1 inch