WFITA stainless steel activated carbon filters up to 14 bar
The WFITA activated carbon filter removes oil vapours, hydrocarbons and odours that the mechanical stages do not trap. The wrapped element is made of borosilicate microfibres with activated carbon and works up to +45 °C.
The WFITA filter comes in 12 sizes (G 1/4" to 3") with flows of 1,250 to 60,000 l/min at 7 bar; working pressure up to 14 bar. It is one of the stages of the WFIT filters — the housing is the same for all stages, only the element differs.
WFITA filters by size
The size determines the connection and the flow. Each size has its own PF range spare element.
| WFITA filters and spare elements by size | ||||||
|---|---|---|---|---|---|---|
| Filter | Connection | l/min at 7 bar | Nm³/h at 7 bar | Height A × diameter C | Weight | Spare element |
| WFITA-005 | G 1/4" | 1,250 | 75 | 204 × 76.1 mm | 1.9 kg | PFA-005V |
| WFITA-007 | G 3/8" | 1,750 | 105 | 235 × 76.1 mm | 2.1 kg | PFA-007V |
| WFITA-010 | G 1/2" | 2,500 | 150 | 239 × 76.1 mm | 2.2 kg | PFA-010V |
| WFITA-018 | G 3/4" | 3,750 | 225 | 263 × 76.1 mm | 2.3 kg | PFA-018V |
| WFITA-030 | G 1" | 5,250 | 315 | 278 × 88.9 mm | 3.1 kg | PFA-030V |
| WFITA-047 | G 1 1/4" | 7,000 | 420 | 348 × 88.9 mm | 3.4 kg | PFA-047V |
| WFITA-070 | G 1 1/2" | 10,000 | 600 | 376 × 114.3 mm | 4.6 kg | PFA-070V |
| WFITA-094 | G 2" | 15,000 | 900 | 458 × 114.3 mm | 5.4 kg | PFA-094V |
| WFITA-150 | G 2" | 21,000 | 1,260 | 571 × 114.3 mm | 6.1 kg | PFA-150V |
| WFITA-175 | G 2 1/2" | 28,000 | 1,680 | 722 × 139.7 mm | 11.4 kg | PFA-175V |
| WFITA-200 | G 3" | 40,000 | 2,400 | 1,004 × 139.7 mm | 12 kg | PFA-200V |
| WFITA-240 | G 3" | 60,000 | 3,600 | 1,029 × 168.3 mm | 16 kg | PFA-240V |
The flows apply to a pressure of 7 bar and a temperature of +20 °C. Dimensions according to the manufacturer’s technical data sheet; you will find further data on the product page of each filter.
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When to use it
Activated carbon is suitable where oil vapours and odours that a microfilter does not trap are also a problem. It works up to +45 °C and must not be used in an oil-saturated environment.
Class 1 for solid particles and oil only applies when a microfilter S is installed before it.
Where to place it
After the WFITM fine pre-filter and the WFITS microfilter — it is the last stage of the range.
Flow by pressure
The catalogue flows apply to a pressure of 7 bar and a temperature of +20 °C. At a different pressure, they are multiplied by the correction factor: 1.88 at 14 bar.
| WFITA filter flow in l/min by pressure | ||||
|---|---|---|---|---|
| Size (connection) | 4 bar | 7 bar | 10 bar | 14 bar |
| 005 (G 1/4") | 788 | 1,250 | 1,725 | 2,350 |
| 007 (G 3/8") | 1,103 | 1,750 | 2,415 | 3,290 |
| 010 (G 1/2") | 1,575 | 2,500 | 3,450 | 4,700 |
| 018 (G 3/4") | 2,363 | 3,750 | 5,175 | 7,050 |
| 030 (G 1") | 3,308 | 5,250 | 7,245 | 9,870 |
| 047 (G 1 1/4") | 4,410 | 7,000 | 9,660 | 13,160 |
| 070 (G 1 1/2") | 6,300 | 10,000 | 13,800 | 18,800 |
| 094 (G 2") | 9,450 | 15,000 | 20,700 | 28,200 |
| 150 (G 2") | 13,230 | 21,000 | 28,980 | 39,480 |
| 175 (G 2 1/2") | 17,640 | 28,000 | 38,640 | 52,640 |
| 200 (G 3") | 25,200 | 40,000 | 55,200 | 75,200 |
| 240 (G 3") | 37,800 | 60,000 | 82,800 | 112,800 |
Element, condensate drainage and maintenance
A PF range element is fitted in the housing — for example, the PFA-010V for the WFITA-010. The same element also fits the PFA-010, HPFA-010, WFIFA-010, WFIWA-010 and WHFITA-010. Element working temperature +1.5 to +45 °C.
The filter is supplied with an element, without a condensate drain. For WFIT filters, the manufacturer offers the AOK20SS stainless steel float drain up to 20 bar and +65 °C and, for the head, the MDHI 50-K differential pressure gauge. The drain outlet in the bottom has a G 1/2" thread.
Replace the element at least once every 12 months. Once a year, also check the housing for visible damage.
Accessories for WFITA filters
MDHI 50-K gauge
Differential pressure gauge with connecting tubes; it shows how clogged the element is.
The same stage in other ranges
Stage A also comes in the PFA filters up to 14 bar, HPFA filters up to 50 bar, WFIFA filters up to 14 bar, WFIWA filters up to 14 bar and WHFITA filters up to 50 bar. The elements are the same for all ranges.
Ventilek’s tip
Carbon only up to +45 °C. The housing withstands +150 °C, but the activated carbon element only +45 °C — warmer air must first be cooled before it.
- What does the activated carbon filter remove?
- Oil vapours, hydrocarbons and odours that the mechanical stages do not trap.
- Why must a microfilter be installed before it?
- Activated carbon must not work in an oil-saturated environment. The microfilter S traps oil droplets, and only with it does solid particle class 1 apply.
- What temperature does it withstand?
- From +1.5 to +45 °C.
- When should the element be replaced?
- At least once every 12 months.
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List of products
With a G 1/4" connection and a flow of 1,250 l/min at 7 bar, the WFITA-005 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 3/8" connection and a flow of 1,750 l/min at 7 bar, the WFITA-007 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 1/2" connection and a flow of 2,500 l/min at 7 bar, the WFITA-010 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 3/4" connection and a flow of 3,750 l/min at 7 bar, the WFITA-018 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 1" connection and a flow of 5,250 l/min at 7 bar, the WFITA-030 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 1 1/4" connection and a flow of 7,000 l/min at 7 bar, the WFITA-047 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 1 1/2" connection and a flow of 10,000 l/min at 7 bar, the WFITA-070 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14...
With a G 2" connection and a flow of 15,000 l/min at 7 bar, the WFITA-094 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 2" connection and a flow of 21,000 l/min at 7 bar, the WFITA-150 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 2 1/2" connection and a flow of 28,000 l/min at 7 bar, the WFITA-175 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14...
With a G 3" connection and a flow of 40,000 l/min at 7 bar, the WFITA-200 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...
With a G 3" connection and a flow of 60,000 l/min at 7 bar, the WFITA-240 activated carbon filter removes oil vapours, hydrocarbons and odours. Working pressure up to 14 bar,...