Compressed air filters

Compressed air filters remove the different contaminants present in the air. These contaminants appear in solid, liquid or vapor form. For every type of contaminant, there exists a specific compressed air filter.

 

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The compressed air filter: a crucial element of compressed air

Compressed air carries many contaminants which attack any compressed air system. The compressed air filter is a must!

Contaminants appear in 3 different forms:

Liquid contaminants

Mainly condensed water and oil in pipelines. Liquid water is removed by a centrifugal separator, not wit...

The compressed air filter: a crucial element of compressed air

Compressed air carries many contaminants which attack any compressed air system. The compressed air filter is a must!

Contaminants appear in 3 different forms:

Liquid contaminants

Mainly condensed water and oil in pipelines. Liquid water is removed by a centrifugal separator, not with a filter. Oil in fine mist form is removed by coalescing filters and automatic drains.

Solid contaminants

These are aspirated by the compressor (e.g. dust, dirt, pollen) or produced by the compression and distribution system itself (e.g. metallic particles, rust, limescale).

Contaminants in vapor state

Caused by pollution in the ambient air or by chemical reactions in the compression cycle. Hydrocarbon vapors are filtered with activated carbon. Contaminants in vapor state are treated by adsorption or catalysis.

Les classes de qualité ISO

ISO 8573-1 defines the quality classes for the different pollutants. See here the classes for: particles - Oil

To each filter its application.

In the right column you will see a detailed description of each series of filters in our catalog.

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    Centrifugal separators - Grade WS When air is compressed, the rise in its temperature increases its capacity to transport water in the form of steam.It is then saturated with water vapour. As it cools, it loses this holding capacity and the water condenses.It is essential to remove the liquid phases from the air before the other stages of its treatment:...
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    Removal of liquids WS Series Cyclonic separators are built to remove 100% of liquids from the compressed air. The separators are used to protect air treatment equipment (filters, dryers,..) from the harmful presence of non-condensables (oil/water).Build with a unique centrifugal module, the WS series guarantees an optimal separation between 20 and 100% of...
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    >99.99% at 1µ 0.1 ppm at 20°CThe highly efficient FP-SXA series submicronic filters are designed for an extensive filtration of oil and particles carried in the compressed air. A FP-MX1 prefilter must be installed upstream in order to obtain an air quality catering to the most demanding needs.
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    General usage prefilters The PF series, designed for direct interception, filters pollutants up to 1 micron. The scope of the PF grade filters is very large (Air Power (Air puissance), protection of actuators, tools, pneumatic machines…). They are also used as prefilters to avoid the premature saturation of the highly efficient HF series filters.The range...
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    Highly efficient compact filters The DUPLEX series gathers the functionalities of deoiling and filtration with activated carbon in one compact unit.These filters offer a maximal efficiency for minimal clutter. Designed for small flow, they are used for machine protection or sensitive pneumatic systems (3D, laser, metrology, spray, labs…)We recommend an...
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    Long life oil vapor filtration The coalex series adsorbers are designed for applications needing perfectly oil-free air.Their life span is greatly superior to traditional activated carbon filters (with filter cartridges) and have a constant efficiency for at least 10.000 hours.The specifically selected activated carbon offers a “non lubrified”,...
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    Filtration up to 250 ° C A range of stainless steel filters designed for filtering particles in the air compresses up to 250 ° C. These filters are available in 3 filtration grades: - 5 microns, 1 micron and 0.01 micron. The filter elements are specially designed to withstand high temperatures and are fitted with steel cups. The range consists of 8 models...
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    Efficiency greater than 99.9999% A range of filters with sterilizable filter elements whose integrity is 100% tested before shipment. The filter elements, with stainless steel supports and cups, are guaranteed for 100 sterilization cycles at a temperature of 120 ° C. These filters have been designed for filtration efficiency exceeding the requirements of...
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    All filtration grades up to 350 bar 4 series of filters available for filtration at a suitable price. Aluminum ranges 2 ranges available for a maximum pressure of 20 and 50 bars. Stainless steel ranges 3 ranges for pressures of 50, 100 and 350 bars. These ranges include 6 filtration grades: - Cyclonic separator, 25µ, 5µ, 1µ, 0.01µ, activated carbon.
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    All filtration grades up to 350 bar 5 series of filters available for filtration at a suitable price. Aluminum ranges 2 ranges available for a maximum pressure of 20 and 50 bars. Stainless steel ranges 3 ranges for pressures of 50, 100 and 350 bars. These ranges include 6 filtration grades: - Cyclonic separator, 25µ, 5µ, 1µ, 0.01µ, activated carbon.
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    Micra-Steel series Filters in polished 316L stainless steel, for filtration of compressed air or gases up to 350 bar. Elimination of solid particles, oil mists. Efficiency from 95% to 99.9998% Flow rates treated up to 90 m3 / h under 7 bars. Micra-Sorb series Disposable line filters, in nylon, for compressed air. They are intended to eliminate various...
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    For paint booths, varnishes, and other applications requiring high air purity. BBWSP filtration sets combine 3 stages of filtration into 1 compact unit. They remove the liquid water, oil and hydrocarbon vapors carried by the compressed air and which are responsible for finishing defects. They are delivered fully assembled, with pressure regulator and...
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    For food, process, breathable air ... BA-WSP filtration sets combine 4 filtration stages into 1 compact unit. They remove liquid water, oil and hydrocarbon vapors carried by the compressed air. They are delivered fully assembled, with pressure regulator and manometer and are available in a "wall" version or on a self-supporting frame. The range consists...
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    The FPI series filters have been developed for industries where the hazards linked to corrosion of filters in pneumatic circuits represent a high risk for production quality. The filter bodies, entirely made of stainless steel, are designed to accommodate a wide variety of filtration grades - from 25 μ to 0.01 μ - making it possible to meet all...
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    The FSI series filters have been developed for industries requiring sterile filtration of compressed air networks. The filter bodies - made of stainless steel - and their filter elements are designed to be sterilized on the filtration line (sterilization in place), by a co-current or counter-current steam circuit. The integrity of the filter elements is...
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    Boiler filters - Multi-cartridges DELTECH filters are recognized worldwide for their manufacturing quality and filtration efficiency.For large flow air plants, Deltech has designed a range of boiler filters with carefully dimensioned flange connections.
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Foire aux questions

In compressed air circuits, only a dryer (by refrigeration or by adsorption depending on the desired performance) is able to eliminate any risk of condensation in the lines. Filters, if fitted with an automatic drain, can only remove water in liquid form where they are installed. At the outlet of the filter, the compressed air remains 100% saturated with humidity. The filters therefore do not avoid the subsequent condensation caused by the cooling of the compressed air when traveling in pipes.