SPF stainless steel filters up to 14 bar – mesh to sterile element
SPF filters from the manufacturer Omega Air are stainless steel housings for the process industry, where there is a risk of corrosion in the compressed air line. The housing is made of stainless steel 1.4404 with the outer surface polished to Ra 0.8 and EPDM seals. They work up to 14 bar.
The range has 12 sizes with G 1/4" to G 3" threads and flows of 1,250 to 60,000 l/min at 7 bar. It is one of the sterile stainless steel filters.
Filtration stages
Each tile leads to a stage with a table of sizes and spare elements. The SPFSF sterile filters are in the table of all filters below.
SPFSF sterile filters
The 0.01 µm sterile element also traps microorganisms, class 1.
Stages at a glance
The ISO 8573-1 class is written as solid particles – water – oil.
| SPF filtration stages | |||||
|---|---|---|---|---|---|
| Stage | Filtration rating | ISO 8573-1 class | Residual oil | Element material | Temperature |
| N25 – coarse filter | 25 µm | – | – | stainless steel mesh 1.4301 | +1.5 to +150 °C |
| N5 – basic filter | 5 µm | – | – | stainless steel mesh 1.4301 | +1.5 to +150 °C |
| I1 – sintered pre-filter | 1 µm | – | – | sintered stainless steel 1.4404 | +1.5 to +150 °C |
| M – fine pre-filter | 0.1 µm | 2-x-2 | < 0.1 mg/m³ | borosilicate microfibres | +1.5 to +120 °C |
| S – microfilter | 0.01 µm | 1-x-1 | < 0.01 mg/m³ | borosilicate microfibres | +1.5 to +120 °C |
| SF – sterile filter | 0.01 µm | 1-x-x | – | borosilicate microfibres | −20 to +150 °C |
The manufacturer does not state a class for the stainless steel meshes and sintered elements. The temperature is the limit of the element; the housing withstands +150 °C.
All filters in the range
Each row is a size with its connection, each column a filtration stage. The code leads to the product page of the filter.
| SPF filters by size and stage | ||||||
|---|---|---|---|---|---|---|
| Size (connection) | N25 | N5 | I1 | M | S | SF |
| 005 (G 1/4") | SPFN25-005 | SPFN5-005 | SPFI1-005 | SPFM-005 | SPFS-005 | SPFSF-005 |
| 007 (G 3/8") | SPFN25-007 | SPFN5-007 | SPFI1-007 | SPFM-007 | SPFS-007 | SPFSF-007 |
| 010 (G 1/2") | SPFN25-010 | SPFN5-010 | SPFI1-010 | SPFM-010 | SPFS-010 | SPFSF-010 |
| 018 (G 3/4") | SPFN25-018 | SPFN5-018 | SPFI1-018 | SPFM-018 | SPFS-018 | SPFSF-018 |
| 030 (G 1") | SPFN25-030 | SPFN5-030 | SPFI1-030 | SPFM-030 | SPFS-030 | SPFSF-030 |
| 047 (G 1 1/4") | SPFN25-047 | SPFN5-047 | SPFI1-047 | SPFM-047 | SPFS-047 | SPFSF-047 |
| 070 (G 1 1/2") | SPFN25-070 | SPFN5-070 | SPFI1-070 | SPFM-070 | SPFS-070 | SPFSF-070 |
| 094 (G 2") | SPFN25-094 | SPFN5-094 | SPFI1-094 | SPFM-094 | SPFS-094 | SPFSF-094 |
| 150 (G 2") | SPFN25-150 | SPFN5-150 | SPFI1-150 | SPFM-150 | SPFS-150 | SPFSF-150 |
| 175 (G 2 1/2") | SPFN25-175 | SPFN5-175 | SPFI1-175 | SPFM-175 | SPFS-175 | SPFSF-175 |
| 200 (G 3") | SPFN25-200 | SPFN5-200 | SPFI1-200 | SPFM-200 | SPFS-200 | SPFSF-200 |
| 240 (G 3") | SPFN25-240 | SPFN5-240 | SPFI1-240 | SPFM-240 | SPFS-240 | SPFSF-240 |
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How to put the filtration together
The stages are arranged from coarse to fine in the direction of flow. Each stage protects the finer stages after it, so their elements last longer.
The fine pre-filter M goes before the microfilter S and protects its element. The sterile element SF is at the end of the filtration, after the microfilter.
Sizes and dimensions
The size determines the connection, the flow and the housing dimensions. All stages of the same size have the same housing; only the element differs. Each size has one PF range element with the same size number.
Height A is 225 to 1,029 mm, the weight 1.9 to 18 kg.
| SPF filter sizes | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Connection | Pressure | Nm³/h at 7 bar | l/min at 7 bar | A | B | C | Weight |
| 005 | G 1/4" | 14 bar | 75 | 1,250 | 225 mm | 120 mm | 76.1 mm | 1.9 kg |
| 007 | G 3/8" | 14 bar | 105 | 1,750 | 251 mm | 120 mm | 76.1 mm | 2 kg |
| 010 | G 1/2" | 14 bar | 150 | 2,500 | 258 mm | 121 mm | 76.1 mm | 2.1 kg |
| 018 | G 3/4" | 14 bar | 225 | 3,750 | 282 mm | 121 mm | 76.1 mm | 2.3 kg |
| 030 | G 1" | 14 bar | 315 | 5,250 | 299 mm | 136 mm | 88.9 mm | 3.1 kg |
| 047 | G 1 1/4" | 14 bar | 420 | 7,000 | 359 mm | 155 mm | 88.9 mm | 3.4 kg |
| 070 | G 1 1/2" | 14 bar | 600 | 10,000 | 395 mm | 180 mm | 114.3 mm | 4.7 kg |
| 094 | G 2" | 14 bar | 900 | 15,000 | 464 mm | 180 mm | 114.3 mm | 5.3 kg |
| 150 | G 2" | 14 bar | 1,260 | 21,000 | 592 mm | 180 mm | 114.3 mm | 6 kg |
| 175 | G 2 1/2" | 14 bar | 1,680 | 28,000 | 743 mm | 226 mm | 139.7 mm | 11.4 kg |
| 200 | G 3" | 14 bar | 2,400 | 40,000 | 995 mm | 226 mm | 139.7 mm | 12 kg |
| 240 | G 3" | 14 bar | 3,600 | 60,000 | 1,029 mm | 256 mm | 168.3 mm | 18 kg |
A height, B width across the connections, C housing diameter. Dimensions and weights according to the manufacturer.
Flow at a different pressure
The 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, 0.63 at 4 bar.
| SPF 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 |
Housing and connection
Housing: stainless steel 1.4404, 1.4301 on request, EPDM seals (FKM or silicone on request), outer surface polished to Ra 0.8. It withstands up to +150 °C; the actual limit depends on the element.
For oil separation, a coalescing element — the fine pre-filter M or the microfilter S — is fitted in the housing, and the air flows through it from the inside out. The drain is in the bottom with a G 1/8" thread, G 1/4" from size 070.
Elements and other ranges
Element replacement
Replace the element at least once every 12 months. Once a year, also check the housing for visible damage.
The filter is supplied with an element, without a condensate drain.
Ventilek’s tip
One housing, six stages. All stages of the same size have the same housing; only the PF range element differs. The sterile element SF goes after the fine pre-filter M and the microfilter S, right at the end.
- What pressure are SPF filters rated for?
- Up to 14 bar in all sizes. The housing withstands up to +150 °C; the elements have their own temperature limit.
- Which elements fit SPF filters?
- PF range elements of the same stage and size — for example, the PFM-010V for the SPFM-010 filter. The PF, HPF, WFIT and WFIF process filters also take the same elements.
- What is the housing made of?
- Stainless steel 1.4404, or 1.4301 on request. The outer surface is polished to Ra 0.8; the seals are made of EPDM, or FKM or silicone on request.
- How do I choose the size?
- By the flow at your pressure. The flows apply to 7 bar; at a different pressure, multiply them by the correction factor — at 14 bar it is 1.88.
- How often should the elements be replaced?
- At least once every 12 months. Once a year, also check the housing for visible damage.
Product sorting
List of products
With a G 3" connection and a flow of 40,000 l/min at 7 bar, the SPFSF-200 sterile filter has a 0.01 µm sterile element (solid particle class 1) for the end of the filtration....
With a G 1/4" connection and a flow of 1,250 l/min at 7 bar, the SPFN5-005 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 3/8" connection and a flow of 1,750 l/min at 7 bar, the SPFN5-007 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 1/2" connection and a flow of 2,500 l/min at 7 bar, the SPFN5-010 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 3/4" connection and a flow of 3,750 l/min at 7 bar, the SPFN5-018 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 1" connection and a flow of 5,250 l/min at 7 bar, the SPFN5-030 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 1 1/4" connection and a flow of 7,000 l/min at 7 bar, the SPFN5-047 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 1 1/2" connection and a flow of 10,000 l/min at 7 bar, the SPFN5-070 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 2" connection and a flow of 15,000 l/min at 7 bar, the SPFN5-094 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 2" connection and a flow of 21,000 l/min at 7 bar, the SPFN5-150 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 2 1/2" connection and a flow of 28,000 l/min at 7 bar, the SPFN5-175 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 3" connection and a flow of 40,000 l/min at 7 bar, the SPFN5-200 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 3" connection and a flow of 60,000 l/min at 7 bar, the SPFN5-240 basic filter traps solid contaminants larger than 5 µm. Working pressure up to 14 bar, polished...
With a G 1/4" connection and a flow of 1,250 l/min at 7 bar, the SPFN25-005 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 3/8" connection and a flow of 1,750 l/min at 7 bar, the SPFN25-007 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 1/2" connection and a flow of 2,500 l/min at 7 bar, the SPFN25-010 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 3/4" connection and a flow of 3,750 l/min at 7 bar, the SPFN25-018 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 1" connection and a flow of 5,250 l/min at 7 bar, the SPFN25-030 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after it....
With a G 1 1/4" connection and a flow of 7,000 l/min at 7 bar, the SPFN25-047 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 1 1/2" connection and a flow of 10,000 l/min at 7 bar, the SPFN25-070 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages...
With a G 2" connection and a flow of 15,000 l/min at 7 bar, the SPFN25-094 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 2" connection and a flow of 21,000 l/min at 7 bar, the SPFN25-150 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 2 1/2" connection and a flow of 28,000 l/min at 7 bar, the SPFN25-175 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages...
With a G 3" connection and a flow of 40,000 l/min at 7 bar, the SPFN25-200 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 3" connection and a flow of 60,000 l/min at 7 bar, the SPFN25-240 coarse filter traps coarse solid contaminants larger than 25 µm and protects the finer stages after...
With a G 1/4" connection and a flow of 1,250 l/min at 7 bar, the SPFM-005 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 3/8" connection and a flow of 1,750 l/min at 7 bar, the SPFM-007 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 1/2" connection and a flow of 2,500 l/min at 7 bar, the SPFM-010 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 3/4" connection and a flow of 3,750 l/min at 7 bar, the SPFM-018 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 1" connection and a flow of 5,250 l/min at 7 bar, the SPFM-030 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 1 1/4" connection and a flow of 7,000 l/min at 7 bar, the SPFM-047 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 1 1/2" connection and a flow of 10,000 l/min at 7 bar, the SPFM-070 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil...
With a G 2" connection and a flow of 15,000 l/min at 7 bar, the SPFM-094 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 2" connection and a flow of 21,000 l/min at 7 bar, the SPFM-150 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 2 1/2" connection and a flow of 28,000 l/min at 7 bar, the SPFM-175 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil...
With a G 3" connection and a flow of 40,000 l/min at 7 bar, the SPFM-200 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 3" connection and a flow of 60,000 l/min at 7 bar, the SPFM-240 fine pre-filter traps fine solid particles larger than 0.1 µm, water and oil aerosol; residual oil is...
With a G 1/4" connection and a flow of 1,250 l/min at 7 bar, the SPFS-005 microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01 mg/m³....
With a G 3/8" connection and a flow of 1,750 l/min at 7 bar, the SPFS-007 microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01 mg/m³....
With a G 1/2" connection and a flow of 2,500 l/min at 7 bar, the SPFS-010 microfilter traps particles larger than 0.01 µm, water and oil; residual oil is below 0.01 mg/m³....