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LEN

  • Application
    Water supply systems
    Pressure boosting
    Heating systems for commercial buildings and district heating
    Cooling plants for industrial processing and air-conditioning units
    General transport for industrial processes
    Fire fighting system
  • Pump
    Liquid PH value:4-10
    Liquid temperature:0°C-90°C
    Max head: 36.5m
    Max operation pressure: 16 bar
    Altitude: up to 1000 m
  • Motor
    Insulation class:F
    Protection class: IP 55
    IE 2 motor as standard.IE 3 motor is available on request
  • Flange
    EN 1092 and DIN 2576 standard
  • Ambient Temperature
    Max. Ambient temperature:+40°C.Ambient temperature above40°C,or
    installation at altitude of more than 1000 m above sea level, require the
    use of an oversize motor. Because of low air density and poor cooling
    effects, the motor output power P2 will be decreased. See the picture.
    For example, when the pump is installed at altitude of more than 3500 m
    above sea level,P2 will be decrease to 88%.when the ambient
    temperature is 70°C,P2 will be decreased to 78%.
  • Description
  • Technical Data
  • Dimensions
  • Materials Table
  • Ambient & Liquid Temperature

Description

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Model Power
(kW)
Rated Flow
Q(m3/h)
Rated Head
(m)
Max.Flow
Q(m3/h)
Min.Flow
Q(m3/h)
NPSHc
(m)
LEN125-80-200 5.5 100 14.5 120 70 2
LEN125-100-200 7.5 150 13.5 180 105 2.8
Model DN1 a a1 h4 L l1 l2 l3 DN2 Ss Sd h2 h3 h d b1 b3 b2 k
LEN125-80-200 125 125 100 468 1128 1120 190 740 80 8-ɸ18 8-ɸ18 250 280 100 4-ɸ24 380 440 490 R3/8
LEN125-100-200 125 125 100 488 1166 1120 190 740 100 8-ɸ18 8-ɸ18 280 300 100 4-ɸ24 380 440 490 R3/8
No. Part Material
1 Pump body Cast iron
2 Impeller Cast iron
3 Mechanical seal Carbon / Silicon carbide
4 Pump cover Cast iron
5 Bearing base Cast iron
6 Pump shaft Steel / AISI 304
7 Coupling
8 Motor
9 Base plate Iron

Max. Ambient temperature: +40°C
Max. Liquid temperature: 0°C - 90°C