WS 18-75 Series Stationary Oil Flooded Screw Air Compressor

WS 18-75 Series Stationary Oil Flooded Screw Air Compressor

WS series are reliable by using Sullair practical compressor technology and advanced features to support customer’s applications.

WS series also provides not only the higher air flow but also the energy saving by its spiral valve technology.


380V-415V/50Hz as standard

IP55 IE3 motor for standard fixed speed application.

Water cooled model: only 45-75kW

Low noise centrifugal fan used(air cooled model)

5-year warranty for air end(original spare parts shall be used and Sullair maintenance plan shall be followed)

Inlet valve with inlet modulation.

8000h Sullube lubricants

Sullair standard non-touch screen controller

Zero loss floating ball type separator(18~75kW only)

Performance Parameters

18-75 kW

7.6-12.6 bar

0.7-14.8 m3/min

Optional Configuration

Mechanical spiral valve flow adjustment equipment(only WS45-75P models)

VSD application

Ultra-efficient IE4 motor

24KT maintenance-free lubricant +10 years warranty of air end

Motor RTD and space heater

Other brand inverter, motor

Other power supplies



Hitachi Asia Ltd. / Industrial Components & Equipment Group

Office Address:20 Pasir Panjang Road, #05-21 Mapletree Business City, Singapore 117439

Tel:+65 6305 7400

Fax:+65 6305 7401

Contact us in South East Asia:Hitachi Industrial Components & Equipment

Taiwan Hitachi Asia Pacific Co., Ltd.

Add: 3F, No.167,Tun Hwa N. Road, Hung-Kuo Building, Taipei City 105, Taiwan

Tel: +866 2 2718-3666

Fax: +886 2 2718-8180

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