Technology without compromise:
Oil-free VPT screw compressors in use
Oil-free screw compressors operate on the same compression principle as oil-injected screw compressors.
A synchronizing gear maintains a gap between the rotors and the housing, allowing for contact-free operation and thus compression without oil lubrication. Various sealing systems prevent the ingress of lubricating oil into the compression chamber.
With variable speed drive motors, the volume flow can be regulated in a range of approximately 40 to 100%.
The compressors are suitable for the compression of air, natural gas, and all gases occurring in the chemical and petrochemical industries. They are used in power plants, breweries, wastewater treatment plants, steel mills, refineries, etc.
These compressors are manufactured from high-quality steel and cast material, depending on the aggressiveness of the gases.
Oil-free VPT screw compressors are used both as individually manufactured process gas compressors and as standard air and inert gas compressor systems.
Process Gas Compressors
These compressors have proven effective due to the possibility of liquid injection during the compression of dirt- and dust-laden gases, as well as gases prone to polymerization.
Production is carried out in accordance with manufacturer, customer, and international standards (e.g., API, ANSI, ASME, etc.).
The compressors are offered and supplied as complete systems with spur gears, electric motors, oil supply and injection systems, as well as with the associated piping.
Performance Data
- Flow rate of approx. 250 to 80,000 m³/h
- Vacuum < up to 100 mbar possible
- Max. final pressure in multi-stage design up to 55 bar (a)
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