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Pump Selector

booster set

Model (16970) NR4 EI 65/125D/A
Family NR
Code I70MB1061001
Speed Variable speed
VSD type I-MAT 5.2TT-A
P2 0.55 kW
Pump Casing Cast iron GJL 200 EN 1561
Max Flow Rate 33,0 m³/h
H max 5,0 m

mc/h
m
 
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NR4 EI 65/125D/A 1309 gruppo_
I70MB1061001

 

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Pump and motor datasheet

  • n (rpm):

    1450

  • N. of impellers:

    1

  • H max (m):

    5.00

  • H min (m):

    2.40

  • Q min (mc/h):

    10.80

  • Q max (mc/h):

    33.00

  • Pn (kW):

    0.55

  • Pn (HP):

    0.75

  • Impeller diameter (mm):

    136.00

  • 2° Impeller diameter (mm):

    0.00

  • Motor type:

    IM

  • Motor phases:

    3~

  • Un (V):

    230/400

  • fn (Hz):

    50

  • Motor poles:

    4

  • In (A):

    2.6 / 1.5

  • Insulation class:

    F

  • Service:

    S1

  • Min liquid temperature (°C):

    -10.00 °C

  • Efficiency Index (EI):

    IE2-77.1

  • la/In:

    3.90

  • Weight (kg):

    39.300

  • Protection:

    IP 54

Construction materials

  • Pump Casing:

    Cast iron GJL 200 EN 1561

  • 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

  • Counterflanges:

    Steel S235JR 1.0038 EN 10025-2

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:

    70MB106100000

  • Motor Voltage:

    400V AC

  • Motor Phases:

    3

  • Type motor:

    80

BOOSTER SET CONSTRUCTION MATERIAL

  • Pressure Transducer:

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

Dimensions (mm)

  • a 340.00 mm
  • fM 454.00 mm
  • h1 105.00 mm
  • h2 170.00 mm
  • h6 349.00 mm
  • l1 121.00 mm
  • l2 145.00 mm
  • AD 285.00 mm
  • AG 190.00 mm
  • AL 105.00 mm
  • x 95.00 mm
  • dn1 65 mm.
  • dn2 65 mm.

NR

In-line pumps

Construction

Close-coupled, single-impeller, centrifugal pumps; electricmotor with extended shaft directly connected to the pump.

NR, NR4 series: Single head electropumps.
NRD, NRD4: Twin head pump with built-in automatic switching valve. The two head can operate singularly or in parallel.
Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line).
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 heating, air-conditioning, cooling and circulation plants.
For civil and industrial applications.
When low noise operation is required (n ? 1450 rpm).

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.
Continuous duty.

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