U140555W-R / U140556W-R
U140555W-R / U140556W-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."

Items Unit Details
Power frequency Hz 50 (u-140555W-R)
60 (u-140556W-R)
Power supply voltage 50/60Hz,V 200 / 380 / 400 / 415 (u-140555W-R)
200 / 220 / 380 / 400 / 440 (u-140556W-R)
Free air delivery (0.7MPa) m3/min 9.5
Delivered air pressure MPa 0.7
Pressure control method - Saving energy A.U.C.S & auto. Start & stop selection
Intake air pressure & temperature - Atmospheric pressure (2 to 40°C)
Main motor power kW 55
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
Lubrication water amount 100
Dryer Air dew point at outlet °C 10 (Under applicatuon of pressure)
Refrigerant - R·407C
Discharge pipe diameter R 2
Total mass(dry state) kg 1500 [1395]
Noise level [OP1.5m] dB·A 63
Dimension,L×W×H (body)[without dryer] mm 2300 [1860] × 1200 × 1500

§ 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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