Gas sampling filter
model GEF 26
- Process gas extraction for gas analyzers
- Inlying dust filter
- Less space requirement
- „Easy-Filter-Change-System“ by Tri-Clamp technique
- Self-cleaning via back purging
- Made in Germany 
- Certificates: 3.1 material certificate, ATEX 2014/34/EU
Functional description:
The gas sampling filter model GEF 26 is used for gas sampling in process gas analysis. The construction allows a small footprint. The in-process filter can be installed using various connection techniques. Various filter elements / pore sizes are available. The immersion depth of the filter element can be varied over several extensions (option). For the internal filter a dust deflector (option, item STAWGEF26) is available.
Schematische Darstellung:
The sample gas is pre-cleaned via the gas sampling filter (model GEF 26). The filter (model PC1410 E) supplements the filter sequence. The Water-Trap (model WT 20.5R) is used for fine filtration and at the same time as protection against possible condensate break-in (police filter).
Technical specifications:
Operating temperature:
| Scope of delivery: | Filter housing with retaining screw for filter element, Tri-Clamp with wing nut, Tri-Clamp seal FKM (Viton), weld-in nozzle, filter elements (optional) PTFE porous or stainless steel mesh 1.4404 |
| Materials used: | Stainless steel type 1.4301 (SS304), FKM (Viton), PTFE (filter element) |
| Operating pressure: | -0,5 - 6 bar |
| Compressed air for back purging: | 1 - 6 bar |
| Gas flow: | 0 - 1000 l air/h |
| Pressure drop at 200 l air/h: | approx. 10 mbar |
| Dust loading: | 0 - 10 mg/m³* |
| Operating temperature: | -20°C - +150°C |
| Housing volume: | 35 ml |
| Effective filter area: | 70 cm2 |
| Gas connections: | ¼“ NPT- inside thread, (¼“ G- inside thread on request) |
| Housing dimensions: | Diameter mounting clamp 135 mm, total length 120 mm |
| Immersion depth filter element: | 35 mm |
| Dipping length dust deflector: | 65 mm (short), 115 mm (long) |
| Installation with weld-in nozzle: | Weld-in nozzle DN 50, DIN 32676, Reihe B lang, diameter 60,5 mm |
| (Alternative) | |
| Installation with circular flange plate: | Circular flange plate DN 50 PN 6, material: stainless steel (1.4301),diameter 60,5 mm Dimensions: outside diameter 140 mm, bolt circle 110 mm, number 4, whole diameter 14 mm, material thickness 3 mm |
| Gas explosion proof ATEX: | EX II 2G Ex h IIC Gb -20°C ≤ Ta ≤ +150°C attestation EPS 19 ATEX 2 178 U |
| Dust explosion proof ATEX: | EX II 2D Ex h IIIC Db -20°C ≤ Ta ≤ +150°C attestation EPS 19 ATEX 2 178 U |
| Language operating instructions: | German and English (included in the scope of delivery) |
| Spanish, Italian, French, Russian upon request | |
| Certificates/attestations: | 3.1 material quality certificate, NACE-MR0175-98, certificate of conformity ATEX 2014/34/EU |
For operation in potentially explosive ambience:
The products can be used in explosive ambience of Zone 1, Zone 2, and Zone 21 und 22.
Allowed the explosion classes IIA, IIB und IIC.
The products have no self-heating during intended operation and can be used in dependency of the maximum permissible media temperature for gases of the temperature class T6.
Article numbers:
| Article | Article number |
|---|---|
| Filter housing, with retaining screw for filter element, Tri-Clamp technique with butterfly nut, sealing FKM (Viton), without filter element, with weld-in nozzlent | GEF26 |
| Filter housing, with retaining screw for filter element, Tri-Clamp technique with butterfly nut, sealing FKM (Viton), without filter element, with circular flange plate | GEF26FLPL |
 |
|
| Filter elements: | |
| Article | Item number |
| Filter elements made of PTFE: | |
| 1 unit of filter element for particle filtration, Material PTFE-porous, pore size 1 μm | FEPTFE1GEF26 |
| 1 unit of filter element for particle filtration, Material PTFE-porous, pore size 10 μm | FEPTFE10GEF26 |
| 1 unit of filter element for particle filtration, Material PTFE-porous, pore size 25 μm | FEPTFE25GEF26 |
| 1 unit of filter element for particle filtration, Material PTFE-porous, pore size 50 μm | FEPTFE50GEF26 |
| 1 unit of filter element for particle filtration, Material PTFE-porous, pore size 100 μm | FEPTFE100GEF26 |
|
Filter elements made of stainless steel: |
|
| 1 unit of filter element for particle filtration, material stainless steel 14404, pore size 1 μm | FESS1GEF26 |
| 1 unit of filter element for particle filtration, material stainless steel 14404, pore size 10 μm | FESS10GEF26 |
| 1 unit of filter element for particle filtration, material stainless steel 14404, pore size 25 μm | FESS25GEF26 |
| Options and spare parts: | |
| Dust deflector for filter element, material stainless steel (1.4301). Fits the standard length GEF26 | STAWGEF26 |
| Adapter for filter element length of 50 mm for extending the depth of filter element | ADAP50GEF26 |
| Heating sleeve made of stainless steel (1.4301) for gas sampling filter GEF 26, 230VAC, 200 Watt, thermocouple PT100, cable length 300 mm, temparature max. 120°C | HEIMAGEF26 |
| 1 unit Tri-Clamp gasket FKM (Viton), color black | DITCGEF26FKM |
| 1 unit Tri-Clamp gasket PTFE, color white | DITCGEF26PTFE |
Optionen:
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