IHP4S stainless high-pressure microfilters up to 420 bar
The IHP4S microfilter is the finest mechanical stage of the range. The borosilicate microfibre element traps particles larger than 0.01 µm and removes oil down to a residual content below 0.01 mg/m³ — class 1-x-1 according to ISO 8573-1.
The IHP4S filter comes in 8 sizes with G 1/4" to G 2" threads and flows of 667 to 11,917 l/min at 7 bar; working pressure up to 420 bar. It is one of the stages of the IHP4 stainless steel filters — the housing is the same for all stages, only the element differs.
IHP4S filters by size
The size determines the thread and the flow. Each size has its own spare element.
| IHP4S filters and spare elements by size | ||||||
|---|---|---|---|---|---|---|
| Filter | Thread | l/min at 7 bar | Nm³/h at 7 bar | Height A × width C | Weight | Spare element |
| IHP4S-003 | G 1/4" | 667 | 40 | 182 × 104 mm | 7.9 kg | IHPS-003V |
| IHP4S-005 | G 3/8" | 1,167 | 70 | 182 × 104 mm | 7.9 kg | IHPS-005V |
| IHP4S-007 | G 1/2" | 2,167 | 130 | 230 × 129 mm | 15.7 kg | IHPS-007V |
| IHP4S-010 | G 3/4" | 3,250 | 195 | 254 × 129 mm | 16.6 kg | IHPS-010V |
| IHP4S-018 | G 1" | 4,583 | 275 | 276 × 158 mm | 27.3 kg | IHPS-018V |
| IHP4S-030 | G 1 1/4" | 6,333 | 380 | 328 × 158 mm | 29.6 kg | IHPS-030V |
| IHP4S-047 | G 1 1/2" | 8,250 | 495 | 385 × 216 mm | 67.8 kg | IHPS-047V |
| IHP4S-094 | G 2" | 11,917 | 715 | 460 × 216 mm | 73.5 kg | IHPS-094V |
The flows apply to a pressure of 7 bar and a temperature of +20 °C. Dimensions and weights according to the manufacturer; you will find further data on the product page of each filter.
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When to use it
The microfilter S suits all applications where the air must be very clean of particles and oil. It is also the mandatory stage before activated carbon A — only with it does its solid particle class 1 apply.
The fine pre-filter M, which traps particles and oil down to 0.1 µm, goes before the microfilter S — the microfilter element then lasts longer.
Where to place it
After the IHP4M fine pre-filter, before the IHP4A activated carbon filter.
Flow by pressure
The catalogue flows apply to a pressure of 7 bar and a temperature of +20 °C. At a higher pressure the filter passes more air: from 100 bar, 12 times as much as at 7 bar.
| IHP4S filter flow in l/min by pressure | |||||||
|---|---|---|---|---|---|---|---|
| Size (thread) | 7 bar | 25 bar | 40 bar | 64 bar | 100 bar | 250 bar | 420 bar |
| 003 (G 1/4") | 667 | 2,001 | 3,335 | 5,336 | 8,004 | 8,004 | 8,004 |
| 005 (G 3/8") | 1,167 | 3,501 | 5,835 | 9,336 | 14,004 | 14,004 | 14,004 |
| 007 (G 1/2") | 2,167 | 6,501 | 10,835 | 17,336 | 26,004 | 26,004 | 26,004 |
| 010 (G 3/4") | 3,250 | 9,750 | 16,250 | 26,000 | 39,000 | 39,000 | 39,000 |
| 018 (G 1") | 4,583 | 13,749 | 22,915 | 36,664 | 54,996 | 54,996 | 54,996 |
| 030 (G 1 1/4") | 6,333 | 18,999 | 31,665 | 50,664 | 75,996 | 75,996 | 75,996 |
| 047 (G 1 1/2") | 8,250 | 24,750 | 41,250 | 66,000 | 99,000 | 99,000 | 99,000 |
| 094 (G 2") | 11,917 | 35,751 | 59,585 | 95,336 | 143,004 | 143,004 | 143,004 |
Element, drain and maintenance
The housing holds a single element, a different one for each size — for example IHPS-007V for the IHP4S-007. The same element also fits IHPS filters for a different pressure. Working temperature +1.5 to +65 °C.
The filter is supplied without a condensate drain. The TD420M timed drain up to 420 bar is suitable; it is connected to the G 1/4" opening in the bottom.
Replace the element at a pressure drop of 350 mbar, at least once every 12 months.
Accessories for IHP4S filters
The same stage for a different pressure
Stage S also comes in the IHP1S filters up to 100 bar and IHP2S filters up to 250 bar; in the nickel-plated carbon steel version, there are the CHP4S filters.
Ventilek’s tip
A microfilter needs a fine pre-filter. Install the fine pre-filter M before the microfilter S. Activated carbon can then follow the microfilter and only deals with vapours and odours.
- What purity does the IHP4S microfilter provide?
- Particles down to 0.01 µm and residual oil below 0.01 mg/m³, class 1-x-1 according to ISO 8573-1.
- What goes before the microfilter?
- The fine pre-filter M, so that the microfilter element does not clog so quickly.
- Does it have to go before activated carbon?
- Yes. Solid particle class 1 for activated carbon A only applies when an S microfilter is installed before it.
Product sorting
List of products
Spare element IHPS-003V for the IHP1S-003, IHP2S-003 and IHP4S-003 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
Spare element IHPS-005V for the IHP1S-005, IHP2S-005 and IHP4S-005 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
Spare element IHPS-007V for the IHP1S-007, IHP2S-007 and IHP4S-007 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
Spare element IHPS-010V for the IHP1S-010, IHP2S-010 and IHP4S-010 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
Spare element IHPS-018V for the IHP1S-018, IHP2S-018 and IHP4S-018 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
Spare element IHPS-030V for the IHP1S-030, IHP2S-030 and IHP4S-030 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
Spare element IHPS-047V for the IHP1S-047, IHP2S-047 and IHP4S-047 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
Spare element IHPS-094V for the IHP1S-094, IHP2S-094 and IHP4S-094 microfilters — borosilicate microfibres. Replace the element at a pressure drop of 350 mbar, at least once...
With a G 1/4" thread and a flow of 667 l/min at 7 bar, the IHP4S-003 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01...
With a G 3/8" thread and a flow of 1,167 l/min at 7 bar, the IHP4S-005 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01...
With a G 1/2" thread and a flow of 2,167 l/min at 7 bar, the IHP4S-007 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01...
With a G 3/4" thread and a flow of 3,250 l/min at 7 bar, the IHP4S-010 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01...
With a G 1" thread and a flow of 4,583 l/min at 7 bar, the IHP4S-018 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01...
With a G 1 1/4" thread and a flow of 6,333 l/min at 7 bar, the IHP4S-030 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below...
With a G 1 1/2" thread and a flow of 8,250 l/min at 7 bar, the IHP4S-047 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below...
With a G 2" thread and a flow of 11,917 l/min at 7 bar, the IHP4S-094 stainless steel microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01...