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Screw compressor units VMW with water injection
Screw Compressors
100 % oil-free compressed air with innovative “Water injection technology”
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Concept/layout
- Efficient compressor stage with bronze casting and stainless steel rotors
- Discharge temperature < 60°C
- Grease-lubricated bearings (some permanently)
- Direct drive, no transmission losses
- “SCD”-motor with protection class IP 55, VFD-duty
- Frequency inverter optional
- Integrated refrigeration dryer with pressure dew point down to + 3°C
- Closed water loop with efficient separator, water filter and sacrificial anode
- Powerful cooler (water- or air cooled)
- Flexible control: control, monitor & capture data
The advantages of the water-injected compression technology are obvious:
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low investment costs:
few components, compact design, a refrigeration dryer is already integrated; no particle filters necessary, all the control- and regulating tasks can be monitored and managed already by the integrated control system for the entire compressed air station -
low operating costs:
integrated frequency converter, direct drive, increased energy efficiency due to low compression temperatures of 55° C -
high operating safety:
the injection water "exchanges" itself once a day. The fresh water is generated from the refrigeration dryer in form of pure condensate, therefore no forming of germs and bacteria. -
high reliability:
the simple and stable concept has proven on the market in more than 500 plants already, especially in sensible fields such as foodstuff industry, medical technology and the electronic industry.