The following briefly demonstrated the whole life cost savings of a Northey Oil-free machine in the utilities market, using information gathered by one of our customers who wished to reduce their man hours involvement with regards to servicing and regular maintenance.
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Oil Free
- Oil free working environment
- No contamination of process gas from lubricating oil
- Non contact rotors - no wear or contamination of process gas
- Minimal maintenance requirements
- No ongoing oil costs
- Less site personnel involvement
- No need for sump tank
- No requirement for oil separators in the discharge line
- Auto drain capability
- Robust build and design - Wet and dirty gas is not a problem
- Clean working area
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Oil lubricated
- Potential Health and Safety and Environmental issues arising from oil spillage and trip/slip hazards
- High Risk of foaming from oil contamination
- High Maintenance to check and replenish oil tanks
- High and continuous oil costs - Please see figures below
- High service intervals to replace vanes
- Oil separators an recovery vessels required
- High risk of ground contamination
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| Oil Free Installation |
Oil Lubricated Installation |
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