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YW under-water sewage pumps


 product class:Sewage pump series
 product name:YW under-water sewage pumps




 Range of capacity      1.8~1450m³/h 
Range of head  ≤133m
Medium temperature  -10℃~120℃
Ambient temperature   Up to 40℃
Maximum working pressure suction pressure+head of pump≤1.6MPa
Motor data

Supporting power


Voltage  380V
Frequency  50HZ
Rotating speed  2900r/min,1450r/min,970r/min
Protection class  IP44/IP54
Insulation class  B/F
Material pump body , pump cover,impeller  cast iron
Pump shaft  45 steel /stainless stell 3Crl3
Mechanical seal  silicon carbide,graphite,tungsten carbide,hard alloy and etc.

  • overview
  • feature
  • purpose
  • Model significance
  • Show case
  • data behavioral
  • Application area

   The impeller adopts particular large channel structure, so the drain capacity has been improved greatly, it can effectively pass the solid grain whose diameter is about 50% of the pump caliber.
    The unit takes a vertical underwater structure to different underwater mounting Depth as requested by users.
    The balanced rotor part and the proper bearing arrangement have effectively balanced the radial and axial load of pump. So it ensures the unit to run long and steadily with little vibration and low noise.
    This type pump can adopt different installation forms according to the consumer’s requirements: single-pipe or double-pipe.
    Mechanical seal adopts the latest material and is made with extra care, so its life is over 8000hours.
    The pump can be equipped with liquid-level automatic control cabinet according to the consumer’s requirements. The whole machine can be stared and stopped automatically according to the changes of level. It doesn’t need special person to guard, so the application is quite convenient and it is easy to realize automatic management. 

Head scope: 3~45(m) ;
Rated speed: 1450~2900(r/min)  
System pressure: ≦06.MPa
Medium temperature:-15℃~60℃ 
Medium PH scope:5~9
Motor protection class:IP44/IP54
Motor insulation class: B、F级 B、F grade;
Rotation:clockwise rotation viewed from motor.
Medium consistency: ≦1.3×103(kg/m3);Capacity scope: 2~850(m3/h).



1、sewage system of municipal works
2、sewage discharging of living plot
3、waste water discharging of public facility
4、sewage system in factory and mine corporation
5、other transportation of non-corrosive and diluted medium
6、various water-discharging system

100-Pump outlet caliber
YW-Under-water sewage pump
100-Capacity of designed point
15-Head of designed point
7.5-Motor power

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