Calpeda NMD 40/180D/B Close coupled, centrifugal pumps 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 :
Calpeda NMD 40/180D/B Close coupled, centrifugal pumps; 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)
NMD version with pump casing and lantern bracket in cast iron.
Operating Conditions :
- Liquid temperature from -10 deg. C to +90 deg. C
- Ambient temperature up to 40 deg. C
- Total suction lift 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
Special Features on Request :
- Other voltages
- Frequency 60 Hz
- Protection IP 55
- Special mechanical seal
- Higher or lower liquid or ambient temperatures
- Motor suitable for operation with frequency converter up to 0,75 kW

Materials :
Model | NMD 40/180D/B |
Pump casing Lantern bracket | Cast iron |
Impeller | Brass |
Shaft | Stainless steel |
Mechanical seal | Carbon – Ceramic – NBR |
Specification :
- Model : NMD 40/180D/B
- Rated motor power output (P2) : 4 kW, 5,5 HP
- Capacity :
– 7,5 m³/h 125 l/min ; Head : 60 m
– 8,4 m³/h 140 l/min ; Head : 59,5 m
– 9,6 m³/h 160 l/min ; Head : 57 m
– 10,8 m³/h 180 l/min ; Head : 56 m
– 12 m³/h 200 l/min ; Head : 53 m
– 13,2 m³/h 220 l/min ; Head : 51,5 m
– 15 m³/h 250 l/min ; Head : 48 m
– 16,8 m³/h 280 l/min ; Head : 44 m
– 18,9 m³/h 315 l/min ; Head : 39 m - Input : 2 Inch
- Output : 1.5 inch