Control moisture and dew point
Use a refrigerated dryer for general industrial air or adsorption drying where low pressure dew points protect sensitive products, instruments or outdoor pipework.
Explore drying systems →Compressed air treatment
Clean, dry compressed air—engineered as one system
BERG configures compressed air dryers, filters, water separators, condensate drains, oil-water separators and air receivers around your flow, pressure, pressure dew point and ISO 8573-1 air-quality target. Compare the treatment routes below, then send the operating data needed for a technically matched proposal.
+3°CTypical refrigerated-dryer pressure dew point
−40 / −70°CAdsorption-dryer pressure dew point options
9 groupsOne coordinated treatment portfolio
ISO 8573-1Particles, water and oil specified separately
Start with the air-quality target
Treat the contaminant that threatens the process
A reliable system is selected from the required outlet quality backwards. Water, particles and oil need different treatment stages, and every stage adds pressure drop, maintenance and life-cycle cost.
Build the filtration train
Match general, fine, superfine and activated-carbon stages to the inlet contamination and the particle and oil classes required at the point of use.
Explore compressed air filters →Drain, separate and stabilise
Remove bulk liquid, discharge condensate with minimal air loss, treat oil-contaminated condensate and size the receiver for stable demand and control.
View supporting equipment →Treatment portfolio
Build the compressed air treatment package
Open the relevant product family for detailed models and technical data. BERG can combine the components into a coordinated treatment line rather than a collection of isolated pressure-drop points.
Drying
Refrigerated air dryers
Efficient +3°C pressure-dew-point treatment for general industrial compressed air.
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Drying
Adsorption dryers & carbon tower
Low-dew-point drying, including compact AD and oil-free AD-CT packages.
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Drying
Heat-regenerated dryers
High-flow adsorption drying engineered to avoid conventional purge-air loss.
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Oil control
Oil-free air packages
Activated-carbon towers and coordinated filters for oil-sensitive process air.
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Bulk liquid
Water separators
Remove bulk liquid water upstream of dryers and filters to reduce downstream load.
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Filtration
Compressed air filters
General, fine, superfine, activated-carbon and specialist filter stages.
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Drainage
Condensate drains
Level-controlled condensate discharge designed to minimise compressed-air loss.
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Condensate
Oil-water separators
Treat oil-contaminated compressor condensate before compliant disposal.
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Storage
Compressed air receivers
Buffer demand, stabilise pressure and support effective compressor control.
Open category →Dryer selection
Choose the dryer from duty, not nameplate flow alone
| Drying route | Published PDP | Best fit | Main design check |
|---|---|---|---|
| Refrigerated | +3°C | General industrial air | Ambient and inlet temperature |
| Heatless adsorption | −40 / −70°C | Critical low-dew-point duty | Purge-air consumption |
| Heat-regenerated adsorption | −40 to −70°C | Large continuous flows | Heating, cooling and controls |
The complete treatment chain
Control water, particles, oil and pressure as one sequence
The final arrangement depends on air quality, compressor type, environment and point-of-use risk. BERG coordinates component capacity, pressure drop, drainage and controls across the physical treatment line.
01Air compressor
02Bulk water separation
03Air receiver
04Prefiltration
05Air dryer
06Final filtration
Condensate from separators, receivers, filters and dryers should be drained and routed to the appropriate oil-water treatment system. Exact component order must be confirmed for the selected dryer and process.
Compressed air treatment guide
Select each treatment stage by the result it must deliver
A category page should help define the system—not replace final engineering. This guide connects common operating risks to the relevant BERG treatment stage and the information required for correct selection.
| Operating requirement | Relevant treatment stage | Primary selection data | Engineering objective |
|---|---|---|---|
| Remove bulk liquid water | Water separator + zero-loss drain | Flow, pressure and liquid load | Protect downstream filters and dryers |
| General industrial dry air | Refrigerated dryer | Flow, pressure, inlet and ambient temperature | Stable +3°C pressure dew point |
| Low-dew-point process air | Adsorption dryer | Target PDP, duty cycle and purge-energy cost | Reliable −40°C or −70°C duty |
| Reduce particles and aerosols | General, fine and superfine filters | ISO 8573-1 target and allowable pressure drop | Protect process quality with efficient filtration |
| Control oil vapour and odour | Activated-carbon stage or oil-free package | Inlet oil risk and required outlet quality | Protect oil-sensitive applications |
| Manage condensate responsibly | Condensate drains + oil-water separator | Compressor type, condensate volume and oil type | Minimise air loss and simplify disposal |
| Stabilise pressure and demand | Compressed air receiver | Demand peaks, control band and compressor capacity | Reduce cycling and support system control |
Final system sizing must evaluate the combined pressure drop and capacity of every component at the same corrected operating conditions.
ISO 8573-1 planning
Specify particles, water and oil separately
“Clean compressed air” is not a measurable specification. Define the required ISO 8573-1 class for each contaminant at the point where the air affects product, equipment or people.
Particles
Define permissible particle concentration and size, then select the filtration grade and monitor differential pressure.
Water
Define the pressure dew point and minimum site temperature, then select and correctly size the dryer.
Oil
Define total oil risk—including aerosol and vapour—and match coalescing, activated-carbon or conversion technology.
Applications
Connect air quality to the process risk
Treatment requirements change when compressed air contacts product, operates outdoors, feeds analytical equipment or protects precision manufacturing.
Sizing checklist
Send the data needed for a treatment proposal
Nominal compressor capacity is only the start. Include the worst simultaneous operating conditions and the air-quality requirement at the point of use.
- 01Maximum flow and demand profile
- 02Minimum and maximum operating pressure
- 03Maximum compressed-air inlet temperature
- 04Ambient temperature and installation location
- 05Required pressure dew point
- 06ISO 8573-1 particle, water and oil classes
- 07Allowable system pressure drop
- 08Condensate type, drainage and disposal route
- 09Redundancy, controls and monitoring requirement
- 10Electrical, cooling-water and space constraints
For final sizing, BERG should confirm correction factors, pressure drop, drain capacity, filtration sequence, receiver volume and any process-specific quality validation.
Technical FAQ
Questions before selecting compressed air treatment
What is compressed air treatment?
Compressed air treatment removes or controls liquid water, water vapour, particles, oil aerosols, oil vapour and condensate. A complete system can include separators, receivers, filters, dryers, drains and condensate treatment selected around the application.
Should I choose a refrigerated or adsorption dryer?
Choose from the required pressure dew point and operating environment. A refrigerated dryer is generally suitable when +3°C pressure dew point meets the need. Adsorption drying is used where −40°C or −70°C duty is required.
Which data is needed to size a compressed air dryer?
Provide maximum flow, operating pressure, maximum inlet temperature, ambient temperature, target pressure dew point and installation conditions. These values determine the correction factors applied to nominal dryer capacity.
Which compressed air filter combination do I need?
The combination depends on inlet contamination and the required ISO 8573-1 particle and oil classes. General and fine filters suit many industrial systems; higher-purity duties can require superfine and activated-carbon stages.
Why use a zero-loss condensate drain?
An electronically level-controlled drain discharges accumulated condensate only when needed, helping avoid the continuous compressed-air loss associated with an incorrectly set timed drain.
Can BERG supply the complete air treatment line?
Yes. BERG can coordinate dryers, separators, filters, drains, oil-water separators, receivers and controls with the compressor and downstream air-quality requirement.