Centrifugal Pump Calpeda NM 80/16E/B

Construction

Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW, new bracket construction for standard motors ( stub-shaft construction ) from 30 to 75 kW with integrated thrust bearing.

Pump casing with axial suction and radial delivery on top, Main dimensions and performance  according to EN 733.
NM(S) : version with pump casing and lantern bracket in cast iron.
B-NM(S) : version with pump casing and lantern bracket/casing cover in bronze  ( the pumps are supplied fully painted ).
Connections: Flanges according to PN 10, EN 1092-2.
Counter-flanges ( on request ): Flanges for welding EN 1092-1, PN 10.

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 fire fighting applications. For Irrigation.

Operating conditions

• Liquid temperature from -10 °C to +90 °C
• Ambient temperature to 40° C.
• Total suction lift up to 7 m.
• Maximum permissible working pressure up to 10 bar ( 16 bar for NM 32L/16,20; NM 40/16,20; NM 50/12,16;NM 65/12,16,20,25; NM 80/16;NM 100/20 ).
• Continuous duty.

Motor

• 2-pole induction motor, 50 Hz (n ≈ 2900 rpm).
• NM, NMS: 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 ( IP 55 for NMS )
• 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

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.
• Higher or lower liquid or ambient temperatures.
• Motor suitable for operation with frequency converter up to 0,75 kW.

Materials

Components	NM, NMS	B-NM, B-NMS
Pump casing Lantern Bracket NM Casing cover for NMS	Cast iron GJL 200 EN 1561	Bronze G-Cu Sn 10 EN 1982
Lantern bracket NMS	Cast iron GJL 200 EN 1561
Impeller	Cast iron GJL 200 EN 1561	Bronze G-Cu Sn 10 EN 1982
	Brass P-Cu Zn 40 Pb 2 UNI 5705 for 32/12, 32/16, 32/20, 32L/20, 40/20
Shaft	Cr-Ni Steel AISI 303AISI 430 from 3 kW to 22 kW	Cr Ni Mo steel AISI 316
Mechanical seal	Carbon-Ceramic-NBR
Counter-flanges	Steel Fe 430B UNI 7070

Specifications

• Rated Motor Power Output : 7.5 kW, 10 Hp
• Kapasitas Pompa ( Q ) : Total Head ( H )
  75 M³ ( 1250 l/Min ) : 21.5 m
  84 M³ ( 1400 l/Min ) :  20.9 m
  96 M³ ( 1600 l/Min ) : 19.9 m
  108 M³ ( 1800 l/Min ) : 18.7 m
  120 M³ (2000 l/min ) : 17.4 m
  132 M³ ( 2200 l/min ) : 15.9 m=
  150 M³ (2500 l/min ) : 13.4 m
  168 M³ ( 2800 l/min ) : 10.6 m
• Weight : 89.4 kg