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Pump Selector

booster set

Model (23698) NM EI 32/25B
Family NM, NMS
Code I60402480000
Speed Variable speed
VSD type I-MAT 25.8TT-C
P2 11.00 kW
Pump Casing Cast Iron GJS 400-15 EN 1563
Max Flow Rate 32,0 m³/h
H max 75,3 m

mc/h
m
 
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NM EI 32/25B 1738 gruppo_
I60402480000

 

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Pump and motor datasheet

  • n (rpm):

    2900

  • N. of impellers:

    1

  • H max (m):

    75.30

  • H min (m):

    67.00

  • Q min (mc/h):

    9.60

  • Q max (mc/h):

    32.00

  • Pn (kW):

    11.00

  • Pn (HP):

    15.00

  • Impeller diameter (mm):

    230.00

  • 2° Impeller diameter (mm):

    0.00

  • Motor type:

    IM

  • Motor phases:

    3~

  • Un (V):

    400/690

  • fn (Hz):

    50

  • Motor poles:

    2

  • In (A):

    21.5 / 12.5

  • Insulation class:

    F

  • Service:

    S1

  • Min liquid temperature (°C):

    -10.00 °C

  • Efficiency Index (EI):

    IE3-91.2

  • Weight (kg):

    0.000

  • Protection:

    IP 54

Construction materials

  • Pump Casing:

    Cast Iron GJS 400-15 EN 1563

  • Lantern bracket:

    Cast iron GJL 200 EN 1561

  • Impeller:

    Cast iron GJL 200 EN 1561

  • Shaft:

    Cr-Ni steel 1.4305 EN 10088 (AISI 303)

  • Mechanical Seal:

    Carbon-Ceramic-NBR

Booster set data

  • Total N° of Pumps:

    1 nr

  • N° of Variable Speed Pumps:

    1 nr

  • Control Panel Voltage:

    400V AC

  • Control Panel Input Phases:

    3

  • riftrgdata:

    6040248000000

  • Motor Voltage:

    400V AC

  • Motor Phases:

    3

  • Type motor:

    132

BOOSTER SET CONSTRUCTION MATERIAL

  • Pressure Transducer:

    Cr-Ni-Mo steel 1.4401 EN 10088 (AISI 316)

Dimensions (mm)

  • a 100.00 mm
  • b 65.00 mm
  • fM 639.00 mm
  • g1 13.00 mm
  • h1 180.00 mm
  • h2 225.00 mm
  • l1 175.00 mm
  • l2 175.00 mm
  • m1 125.00 mm
  • m2 95.00 mm
  • n1 320.00 mm
  • n2 250.00 mm
  • n3 35.00 mm
  • AG 281.00 mm
  • AL 154.00 mm
  • HD 569.00 mm
  • w 397.00 mm
  • de1 165 mm.
  • dk1 125 mm.
  • dn1 50 mm.
  • dn2 32 mm.
  • s1 14 mm.

NM, NMS

Close coupled centrifugal pumps with flanged connections 2- and 4- poles

Construction

NM, NM4 Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 22 kW (15 kW for NM4).
NMS, NMS4 Close-coupled centrifugal pumps, new bracket construction for standard motors (stub-shaft construction) with integrated thrust bearing.
Rated speed of rotation (50 Hz):
NM, NMS ? 2900 rpm.
NM4, NMS4 ? 1450 rpm.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion. (NMS4 80/400).
N 40-250C version with pump casing and lantern bracket in cast iron.
BNM(S), BNM(S)4: version with pump casing and lantern bracket/casing cover in bronze.
The pumps are supplied fully painted.
Version with frequency converter (on request).

Application

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 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 16 bar (10 bar for NM 32/12; NM,NM4 32/16,20; NM,NM4 40/25; NM,NM4 50/20,25; NM4 65/31; NM,NM4
100/25; NM4 100/315,400; NM4 125/250 and bronze version).
Continuous duty

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