Welded pre-filter PFIW1-175 – 14 bar, G 2 1/2", 28,000 l/min 1 micron sintered stainless steel, welded · 14 bar
Code: PFIW1-175
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Product detailed description
The PFIW1-175 welded process pre-filter traps solid particles larger than 1 µm. It has a G 2 1/2" connection (female pipe thread), a flow of 28,000 l/min at 7 bar and a working pressure of up to 14 bar.
It belongs to the PF process filters, among the PFIW1 welded pre-filters: the housing is the same for all stages, only the element differs.
Specifications
| Parameter | Value |
|---|---|
| Connection | G 2 1/2" (female pipe thread) |
| Flow at 7 bar | 28,000 l/min (1,680 Nm³/h) |
| Working pressure | 14 bar |
| Element temperature | +1.5 to +150 °C |
| Filtration rating | 1 µm |
| Element replacement | at least once every 12 months |
| Element | PFIW1-175V |
| Element material | sintered stainless steel 1.4404 |
| Element design | sintered, welded |
| Housing | stainless steel 1.4404 |
| Height A | 736 mm |
| Width across the connections B | 226 mm |
| Housing diameter C | 139.7 mm |
| Weight | 9.6 kg |
| Condensate drain outlet E | G 1/4" thread in the bottom |
| Condensate drain | ordered separately |
Housing and dimensions
The housing is made of stainless steel 1.4404, or 1.4301 on request, with the outer surface polished to Ra 1.6 and EPDM seals (FKM or silicone on request). It withstands −20 to +150 °C; the actual limit depends on the seals and the element.
According to the manufacturer: height A 736 mm, width across the connections B 226 mm, housing diameter C 139.7 mm. Weight 9.6 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) | 17,640 | 28,000 | 38,640 | 52,640 |
Element and accessories
| For this filter: | |
|---|---|
| Spare element | PFIW1-175V |
| Condensate drain (ordered separately) | AOK20SS |
Where to place it
It goes after the basic mesh, before the PFM fine pre-filter — instead of the PFI1 sintered pre-filter.
You will find other sizes among the filters of the same stage.
Additional parameters
| Category: | PFIW1 welded stainless steel pre-filters up to 14 bar |
|---|---|
| Version: | Dust filter |
| Pressure: | 14 bar |
| Connecting: | 2 1/2" |
| Dimensions: | 736 × 226 × 139.7 mm |
| Filtration: | 1 µm |
| Filter insert: | PFIW1-175V |
| Material: | Stainless steel |
| Condensate discharge: | Without drain |
| Number of inserts: | 1 |
| Working temperature: | +1.5 / +150 °C |
| Flow: | 28,000 l/min |
Product rating
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