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Home » Industry » Plastic & Rubber »
Category 01 of 5 · Air & Thermal Control
CompressedAir FilterOil, Moisture & Particulate Removal
A properly staged compressed air filter for plastic industry lines protects everything downstream, from blow-molding nozzles to injection actuators, from oil carryover, condensate, and fine particulate. Built as a compressed air filter for rubber manufacturing plant, the same staged filtration keeps mold surfaces, hoses, and pneumatic valves clean shot after shot. We specify, supply, and commission industrial compressed air treatment for plastic and rubber facilities across Thailand, matched to the exact air quality class each process line actually needs.
✓ ISO 8573-1 Air Quality Classes ✓ Coalescing & Particulate Stages ✓ ASME-Compliant Vessel Options ✓ Correct-Fit Replacement Elements
Compressed Air Filtration Stage Map
Bulk & Particulate Removal Stage 01–02
Pre-FilterBulk particulate & rust, down to ~5 micron
CoalescingOil aerosol & fine particulate, down to 0.01 micron
Moisture & Vapour Control Stage 03–04
Moisture SeparatorBulk condensate removed ahead of drying
Activated CarbonResidual oil vapour, for direct-contact air
Chat On LINE Matched to ISO 8573-1 class per process
99.9%
Coalescing stage efficiency, removes oil aerosol down to 0.01 micron
Cl.1–4
ISO 8573-1 oil & particle class, selected per process
CS/SS
Carbon steel or 304/316 stainless, ASME Section VIII compliant
1μm
Fine particulate capture, protects valves, nozzles & mold surfaces
Product Overview
Compressed Air Filtration for Plastic & Rubber Production Lines
Every compressor pulls in ambient air carrying moisture, dust, and traces of atmospheric oil, and an oil-lubricated screw compressor adds its own lubricant vapour on top of that. Left untreated, this mixture travels straight down the pipework to the nozzle, actuator, or mold surface where it matters most. An oil removal filter for compressed air system installations strips out both the coarse aerosol and the sub-micron mist before it ever reaches the process, while a high efficiency particulate filter for compressed air stage catches rust, pipe scale, and compressor wear particles that would otherwise abrade seals and valve seats.
Filtration is staged rather than single-pass, because no single element is efficient at removing bulk particulate, oil aerosol, and vapour all at once. A typical line runs a coarse pre-filter first to protect the finer coalescing element downstream, then adds a moisture removal filter for rubber factory circuits ahead of drying, so the compressed air dryer receives air that is already free of bulk condensate and works within its rated capacity instead of fighting liquid carryover.
Domnick Thailand specifies each stage against the actual ISO 8573-1 class the process requires, rather than defaulting to the highest available grade, so plants pay for the filtration their product and equipment genuinely need.
- Compressed air filter for plastic industry blow molding and injection lines
- Compressed air filter for rubber manufacturing mold and press circuits
- Industrial air filtration system for injection molding pneumatics
- Oil removal filter for compressed air system coalescing stages
- Air dryer and filter for plastic production line moisture control
- High efficiency particulate filter for compressed air valve protection
- Compressed air purification system for blow molding direct-contact air
- Inline compressed air filter for extrusion process control circuits
Filtration Stage Ruler, Pre-Filter To Final Polish
01
Pre-FilterBulk particulate & rust, ~5 micron
02
CoalescingOil aerosol & fine particulate, 0.01 micron
03
Moisture SeparatorBulk condensate, ahead of drying
04
Activated CarbonResidual oil vapour, direct-contact air
Where It's Used
Filtration Across Every Plastic & Rubber Process
The same compressed air header often feeds several very different processes on one line. Each one puts a different demand on filtration.
Highest Stakes · Direct Product Contact 🍶
Blow Molding: Air That Touches The Product
In blow molding, the compressed air that inflates the parison is inside the finished container, not just powering a cylinder. A compressed air purification system for blow molding lines has to remove oil aerosol and particulate to a much stricter class than general plant air, because any carryover ends up as a visible mark or an odour inside the container itself. This is the one application on the line where filtration failure is immediately visible to the end customer.
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Injection Molding Pneumatics
An industrial air filtration system for injection molding presses protects clamping cylinders, core pulls, and ejector valves from oil and particulate that would otherwise cause sticking and erratic cycle timing.
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Extrusion Process Control
An inline compressed air filter for extrusion process lines keeps pilot air and sizing sleeve control circuits free of contamination that would otherwise show up as inconsistent wall thickness.
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Rubber Factory General Air
A moisture removal filter for rubber factory headers stops condensate from reaching press cylinders and mold-release spray systems across the plant.
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Plastic Production Line Drying
An air dryer and filter for plastic production line hopper and resin drying circuits removes bulk moisture ahead of desiccant beds, protecting bead life and dew point performance.
Filter Vessel Construction
Cartridge And Bag Housing Options, Built To Code
The filter element does the filtering, but the vessel around it determines flow capacity, service access, and pressure rating. Two housing types cover most plastic and rubber plant requirements.
Multi-Cartridge Vessels
Multiple cartridge elements sit in parallel inside a single shell, giving high flow capacity in a compact footprint. This is the standard choice for main header filtration ahead of the dryer, where flow volume is high and space around the compressor room is limited.
- ConstructionCarbon steel or 304/316 stainless steel
- Design codeASME Section VIII pressure vessel
- Best fitMain header, high flow volume
- Service accessQuick-opening closure for element change
Bag Filter Vessels
A bag-style element offers larger dirt-holding capacity per housing than an equivalent cartridge, which extends service intervals on lines carrying a heavier particulate or condensate load, such as plant air feeding grinding and pelletizing areas.
- ConstructionCarbon steel or 304/316 stainless steel
- Design codeASME Section VIII pressure vessel
- Best fitHeavier particulate or condensate loading
- Service accessTop or side-entry bag change
Material selection: carbon steel vessels suit dry, non-corrosive plant air at lower cost, while 304 or 316 stainless steel is specified where condensate chemistry, washdown areas, or coastal humidity make corrosion resistance the priority. Both constructions are available to ASME Section VIII code for pressure-rated compressed air and gas service.
Why It Matters
The Real Cost Of Skipping Element Replacement
A filter housing lasts for years, but the elements inside it have a service life. Three things go wrong when replacement is delayed or the wrong element is fitted.
01 ⚡ Pressure Drop Risk
Rising Differential Pressure Costs Money Before It Costs Quality
As a filter element loads with captured contaminant, the pressure drop across it climbs, and the compressor works harder to deliver the same flow at the point of use. This shows up as higher electricity draw long before the element is fully spent. A differential pressure gauge across each housing gives a clear, objective replacement trigger, rather than a fixed calendar interval that wastes serviceable life or leaves a saturated element in service too long.
02 💧 Contamination Risk
A Saturated Element Can Release What It Has Already Captured
Past its rated capacity, a coalescing element does not simply stop working, it can shed previously captured oil back into the airstream in slugs, which is worse than running with no filter at all because the failure is intermittent and hard to trace. Scheduled replacement based on differential pressure keeps a compressed air filter for rubber manufacturing line performing at its rated efficiency throughout the service interval.
03 🔧 Wrong-Fit Risk
A Correctly Matched Element Is Part Of The Rating, Not An Accessory
A housing's rated efficiency assumes an element that seats and seals exactly as designed. A replacement that is close in size but not a correct match can leave a gap at the seal face, letting unfiltered air bypass the element entirely. Confirming the correct specification against the housing model keeps a compressed air filter for plastic industry installation performing at its rated micron and oil-carryover figures.
Standards & Compliance
ISO 8573-1 Air Quality Classes ASME Section VIII Vessel Code ISO 9001 Quality ISO 14001 Environmental Thailand Industrial Safety
Never Let Contaminated Air Touch The Product
Our engineers assess your existing header, recommend the right filtration stages against the ISO 8573-1 class each process needs, and support commissioning for industrial compressed air treatment for plastic and rubber plants across Thailand.
Get expert guidance when you need it. Our support team is here to provide you with the right solutions.
