U140755W-R / U140756W-R
U140755W-R / U140756W-R Basic - Water Cooled Mitsui Seiki Air Compressors - Oil Free Puchong, Selangor, Kuala Lumpur (KL), Malaysia. Supplier, Suppliers, Supplies, Supply | ST Service & Trading Sdn Bhd / ST M&E Prudence Sdn Bhd
- Since there is no oil usage it is an enveronmentally friendly water lubrication compressor suitable for ISO 14000 certification.
- Direct-coupling , water lubrication , sealing , and cooling are the best in the class and high efficiency achieves lower maintenance work.
- Inverters for air-cooling fan motors are loaded as well. Capable of showing power Up enegy saving and the superior low noise property.
- "The newly adopted IT touch panel enables smooth operation and control."

Model u-140755W-R u-140756W-R
Items Unit
Power frequency Hz 50 60
Power supply voltage 50/60Hz,V 200/380/400/415 200/220/380/400/440
Free air delivery (0.7Mpa)  m³/ min 13
Delivered air pressure MPa 0.7
Pressure control method   Saving energy A.U.C.S & auto.  Start 7 stop selection
Intake air pressure & temperature   Atmospheric pressure (2 to 40°C)
Main motor power kW  75
Motor type   3-phase squirrel cage 2P totally enclosed external fan
Starter   3 contactors , star delta start
Drive system  

Direct coupled motor

Cooling system   Water-cooling
Fan motor power kW  0.15 / 0.22
Lubricant water amount 100
Dryer Air dew point at outlet °C 10 (under application of pressure)
Refrigerant   R·470C
Discharge pipe diameter R 2
Dimension,L×W×H (body)[without dryer] mm 2600[1860] x 1200 x 1500
Total mass (dry state) kg 1850 [1620]
Noise level [OP1.5m] dB·A 65

§ Noise level is measured at 1.5m (5') front of the machine and 1m (3') high with load 60 to 100% in anechoic status. (at 0.7MPa)
§ Water cooling type : Cooling water capacity : 150 / min (cooler inlet temperature 32°C)

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