Pump Selector v3.1.0
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NR4 50/250A/A
70MB0981000

 

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PUMP AND MOTOR DATA

MATERIALS

  • Mechanical Seal




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PUMP AND MOTOR DATA

n (rpm): 1450
H max (m): 21.90
H min (m): 11.00
Q min (mc/h): 5.40
Q max (mc/h): 30.00
Pn (kW): 3.00
Pn (HP): 4.00
Impeller diameter (mm): 251.00
Motor type: IM
Motor phase: 3~
Un (V): 230/400
fn (Hz): 50
Poles: 4
In (A): 11.1 / 6.4
PF: 0.79
Insulation class: F
Duty: S1
Min liquid temperature (°C): -10.00 °C
IE: IE3-87.7
ingress protection (IP): IP 54

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: Chrome steel 1.4105 EN 10088 (AISI 430F)
Mechanical Seal: Carbon-Ceramic-NBR
Counter Flanges: Steel S235JR 1.0038 EN 10025-2
dn1: 50
dn2: 50
a: 440.00 mm
fM: 577.00 mm
s1: M10
l1: 175.00 mm
l2: 175.00 mm
h1: 100.00 mm
h2: 220.00 mm
h6: 477.00 mm
j1: 45.00 mm
j2: 40.00 mm
j3: 79.00 mm
AD: 167.00 mm
x: 85.00 mm
Dimensions (mm)

Technical datasheet

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