ZV75AS4i-R
ZV75AS4i-R Inverter - Air Cooled Mitsui Seiki Air Compressors - Oil Flooded Puchong, Selangor, Kuala Lumpur (KL), Malaysia. Supplier, Suppliers, Supplies, Supply | ST Service & Trading Sdn Bhd / ST M&E Prudence Sdn Bhd
- Inverter control + optimal control of air volume increase.
- The inverter monitors the revolution speed and the increase and decrease of air.
- The optimal load which our customer wants is always considered.

                                     Model ZV75AS4i-R
Items Unit
Power frequency Hz  50 / 60 
Power supply voltage V 200 / 200·220
Free air delivery (0.7MPa)  m3 / min 13.0(14.0)*
Delivered air pressure MPa 0.7
Delivered air pressure MPa  0.54 to 0.93
Presure control method   Constant pressure control by inverter
Intake air pressure & temperature       Atmospheric pressure (0 to 40°C)    
Main motor power kW  75
Motor type     Totally enclosed fan cooled IPM motor
Starter   verter starter
Drive system   Direct coupled motor
Cooling system     Air cooled
Fan motor power kW 3.0 (Inverter control)
Oil filling quantity 60
Cooling water amount  / min -
    Dryer Air dew point at outlet  °C   10 (under increased pressure)*
Refrigerant     R·407C
Discharge pipe diameter  R 2
Dimension,L×W×H (body)  mm 2398 x 1200 x 1630
Total mass (dry)[without dryer]  kg 1630
Noise level [OP1.5m]  dB·A 69
Dimension,LxWxH (Without dryer) mm 1938 x 1200 x 1800

 Note: If you want to know the 0.5MPa specifications, please ask us.
*1: The figure in ( ) is the discharge air volume of the 0.5MPa specifications.


Outside Appearance  




 

Adoption of the latest IPM (internal permanent magnet) motor!
Structural comparison of the permanent magnet motor and the induction motor

By installing the latest IPM motor (internal permanent magnet motor) which contains a permanent magnet in the latest rotor, the compressor is made smaller and the rotation is made faster. If compared with conventional induction motors, the IPM motor does not cause electricity loss or slipping of the rotor, thus drastically enhances the motor efficiency. Combined with Mitsui Seiki's advanced inverter, the total efficiency also overrides that of single induction motors. Heat generation is reduced, leading to further energy saving. Also, the motor direct-coupled driving system eliminates the loss of power, improves the engagement and the machining accuracy of the compressor's main parts, and achieves the efficiency which is much higher than conventional machines.





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