CALPEDA PUMP B-NM 25/12A/B●

Construction

Close-couple, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
NM: single-impeller.
NMD: with two back-to-back impellers ( with axial thrust balancing ).
Connections: threaded ports ISO 228/1 (BS 2779).
NM, NMD: version with pump casing and lanten bracket in cast iron
b: version with pump casing and lantern bracket in bronze. ( the pumps are supplied fully painted ).

Applications

For clean liquids without abrasives, which are non-aggressive for the pump materials ( solids content up to 0.2% ).
For water supply.
For heating, air conditioning, cooling and circulation plants
For civil and industrial applications.
For fir fighting applications.  For Irrigation.

Operating conditions

• Liquid temperature from -10 °C to +90 °C.
• Ambient temperature up to 40° C.
• Total suction lift up to 7 m.
• Maximum permissible working pressure up to 10 bar ( 16 bar for pumps NMD 25/190; NMD 32/210; NMD 40/180 ).
• Continuous duty

Motor

• 2-pole induction motor, 50 Hz ( n ≈ 2900 rpm ).
• NM, NMD: three-phase 230/400 V ± 10% up to 3 kW;
  400/690 V ± 10% from 4 to 9,2 kW;
• NMM, NMDM: single-phase 230 V ± 10%, with thermal protector.
• Insulation class F.  Protection IP 54.
• Motor suitable for operation with frequency converter from 1,1 kW.
• Classification scheme IE3 for three-phase motors from 0,75 kW.
• Constructed in accordance with EN 60034-1; EN 60034-30-1
  EN 60335-1, EN 60335-2-41.

Special features on request

• Other voltages.  – Frequency 60 Hz ( as per 60 Hz data sheet ).
• 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.

Specification

• Rated Motor Power Output : 0,75 kW, 1 HP
• Kapasitas Pompa (Q) : Total Head (H)
  2,4 m³/h ( 40 l/min ) : 23,5 m
  3 m³/h ( 50 l/min ) : 23,4 m
  3,6 m³/h ( 60 l/min ) : 23,3 m
  4,8 m³/h ( 80 l/min ) : 22,9 m
  6 m³/h ( 100 l/min ) : 22,1 m
  6,6 m³/h 9 110 l/min ) : 21,7 m
  7,5 m³/h ( 125 l/min ) : 20,9 m
  8,4 m³/h ( 140 l/min ) : 20 m
  9,6 m³/h ( 160 l/min ) : 18,7 m
  10,8 m³/h ( 180 l/min ) : 17,1 m
  12 m³/h ( 200 l/min ) : 15,2 m
• Weight : 15,3 kg