Pump Calpeda NM 50/20S/C


Pump Calpeda NM 50/20S/C use 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. For Irrigation.
Pump Calpeda NM 50/20S/C

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 ): Screwed flanges EN 1092-1, PN 16.

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 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 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 constructed ).
  • 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

ComponentsNM, NMSB-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 NMSCast Iron GJL 200 EN 1561
ImpellerCast 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
ShaftCr-Ni steel AISI 303
AISI 430 from 3 kW to 22 kW
Cr Ni Mo steel
AISI 316
Mechanical sealCarbon-Ceramic-NBR
Counter-flangesSteel Fe 4308 UNI 7070

Specifications

  • Rated motor power output : 15 kW, 20 Hp
  • Maximum suction lift 1-2 m.
  • Kapasitas Pompa ( Q ) : Total Head ( H )
    24 M3 ( 400 l/min ) : 60 m
    27 M3 ( 450 l/min ) : 60 m
    30 M3 ( 500 l/min ) : 59.5 m
    33 M3 ( 550 l/min ) : 59.5 m
    37.8 M3 ( 630 l/min ) : 58.5 m
    42 M3 ( 650 l/min ) : 57.5 m
    48 M3 ( 700 l/Min ) : 55.5 m
    54 M3 ( 900 l/Min ) : 53.5 m
    60 M3 ( 1000 l/Min ) : 50.5 m
    66 M3 ( 1100 l/Min ) : 47  m
    69 M3 ( 1150 l/Min ) : 45  m
    72 M3 ( 1200 l/Min ) : 43 m
    75 M3 ( 1250 l/Min ) : 40.5 m
    78 M3 ( 1300 l/Min ) : 37 m
  • Weight : 154 kg

Have any Question or Comment?

Leave a Reply

Your email address will not be published. Required fields are marked *

Categories

LOKASI

Copy Protected by Chetan's WP-Copyprotect.