Hi Hydraulic Pump

 
 
Hydraulic pump unit with inverter (vvvf)

Description


 
Wittur Center of competence for hydraulics presents pump unit HI.
Ideal for new installations and modernizations (SNEL), Wittur HI secures a
reduction of electricity consuption up to 48.8% compared to traditional
pump units.
Thanks to highly innovative content, the HI pump unit is the best in class
for comfort and energy save. Designed, tested and garanteed by Wittur,
pump unit HI is easy to be installed; thanks to integrated hand terminal
the setting of parameters is fast and simple.
 
  • New block HI with integrated hand pump
  • Up and Down travel managed by inverter
  • Open loop system without encoder
  • Up to 1 m/s speed
  • Floor approach is precise not depending on the load
  • Exclusive software
  • Inspection and re-livelling speed are adjustable
  • Intermediate floors with specific speed
  • Ready for HDU: the new device in conformity with EN81-2:1998+a3
  • Available with pumps from 55 to 380 l/min and motors from 3.3 to 36.8 kW

Technical information


 
Pump unit technology   U. HM HE HI nominal
fixed speed
HI nominal
fixed power
Lift rated load   kg 330
Single travel' s lenght   m 8
Cylinder rod diameter   mm 90
Pump unit oil tank volume   l 110
Pump unit oil delivery   l/min 125
Pump unit motor power   kW  5.9   5.9   5.9   4.7 
Pump unit plate Cos φ       0.8   0.8   0.98   0.98 
Starting current   A 90  89   17   14 
Pump unit oil cooler optional     Not installed
Consecutive up&down travels   <110 <140 <180 >200
Rated current
Empty A  17   17.3   17   14 
Full A 23  22  23   18 
Uptravel speed Empty m/s  0.6   0.63  0.63  0.63 
Full m/s  0.6  0.62 0.62  0.5* 
Downtravel speed Empty  m/s  0.63   0.63  0.63  0.63 
Full m/s  0.63  0.63  0.63  0.63
Noise Up dB  58   65   58   58
Down dB  58   67  56   56 
 Travel energy (100 travels)   kWh 6 5.4 4.2   4.2 

* Uptravel speed: 1 person 0.52 m/s; 2 people 0.50 m/s; 3 people 0.45 m/s; 4 people 0.40 m/s;

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