POMPA CALPEDA NM 17/D/A

POMPA CALPEDA NM 17/D/A are close coupled, centrifugal pumps fitted with electric motors incorporating an
extended shaft directly connected to the pump.

Construction

Close-coupled, 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 )
Version with pump casing and lantern bracket in cast iron ( NMD, NM )
B-NM, B-NMD: version with pump casing and lantern bracket in bronze ( the pumps are supplied fully painted ).

Applications POMPA CALPEDA NM 17/D/A :

• 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.
• For civil and industrial applications.
• For fire fighting applications. For Irrigation.

Operating conditions

• Liquid temperature from -10 ⁰C to +90 ⁰C
• Ambient temperature up to 40 ⁰C
• 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 ).
• Three-phase 230/400V ± 10% up to 3 kW.
  400/690 V ± 10% from 4 to 9,2 kW.
• Single-phase 230V ± 10%, with thermal protector ( NM, NMDM )
• Insulation class F. Protection IP 54.
• Motor suitable for operation with frequency converter from 1,1 kW.
• Clasification 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.

Specifications

• Rated Motor Power Output : 3 kW, 4 HP
• Kapasitas Pompa ( Q ) : Total Head ( H )
  27 m³/h ( 450 l/min ) : 18 m
  30 m³/h ( 500 l/min ) : 18 m
  33 m³/h ( 550 l/min ) : 17,5 m
  37,8 m³/h ( 630 l/min ) : 17 m
  42 m³/h ( 700 l/min ) : 16,5 m
  48 m³/h ( 800 l/min ) : 15,5 m
  54 m³/h ( 900 l/min ) : 14* m
  60 m³/h ( 1000 l/min ) : 13* m
  66 m³/h ( 1100 l/min ) : 11,5* m