Fibre pre-filter WFITP-018 – 14 bar, G 3/4", 3,750 l/min 3 microns · class 6-x-x · 14 bar
Code: WFITP-018Related products
Product detailed description
The WFITP-018 fibre process pre-filter traps solid particles and dust larger than 3 µm, solid particle class 6 according to ISO 8573-1. It has a G 3/4" connection (female pipe thread), a flow of 3,750 l/min at 7 bar and a working pressure of up to 14 bar.
It belongs to the WFIT process filters, among the WFITP fibre pre-filters: the housing is the same for all stages, only the element differs.
Specifications
| Parameter | Value |
|---|---|
| Connection | G 3/4" (female pipe thread) |
| Flow at 7 bar | 3,750 l/min (225 Nm³/h) |
| Working pressure | 14 bar |
| Element temperature | +1.5 to +65 °C |
| Filtration rating | 3 µm |
| ISO 8573-1 class | 6-x-x |
| Element replacement | at least once every 12 months |
| Element | PFP-018V |
| Element material | acrylic fibres and cellulose |
| Element design | pleated |
| Housing | welded stainless steel 1.4404 |
| Height A | 263 mm |
| Width across the connections B | 121 mm |
| Housing diameter C | 76.1 mm |
| Weight | 2.3 kg |
| Condensate drain outlet E | G 1/2" thread in the bottom |
| Condensate drain | ordered separately |
Housing and dimensions

The welded housing is made of stainless steel 1.4404, or 1.4301 on request, with FKM seals (EPDM or silicone on request) and female pipe threads. It withstands −20 to +150 °C; the actual limit depends on the seals and the element.
Dimensions according to the manufacturer: height A 263 mm, width across the connections B 121 mm, housing diameter C 76.1 mm. Weight 2.3 kg.
Flow by pressure
The flow applies to a pressure of 7 bar and a temperature of +20 °C. At a different pressure, it is multiplied by the correction factor; at 14 bar it is 1.88:
| Pressure (bar) | 4 | 7 | 10 | 14 |
|---|---|---|---|---|
| Flow (l/min) | 2,363 | 3,750 | 5,175 | 7,050 |
Element and accessories
Where to place it

It goes after the WFITN5 basic filter, before the WFITR dust filter or the WFITM fine pre-filter.
You will find other sizes among the filters of the same stage.
Additional parameters
| Category: | WFITP fibre pre-filters for dust up to 14 bar |
|---|---|
| Pressure: | 14 bar |
| Connecting: | 3/4" |
| Dimensions: | 263 × 121 × 76.1 mm |
| Filtration: | 3 µm |
| Filter insert: | PFP-018V |
| Material: | Stainless steel |
| Number of inserts: | 1 |
| Working temperature: | +1.5 / +65°C |
| Flow: | 3,750 l/min |
| Product type: | Complete filter |
| Quality class - solid impurities: | 6 |
| Filtration stage: | Basic filter 3–5 µm |
| Connection type: | Female thread |
Product rating
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What Omega Air produces:
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