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The NBC-17 SOF 40mm NATO filter canister, in combination with a full face gas mask, mouthpiece assembly, TAPR, or PAPR, reliably protects air passages against a wide range of harmful substances including CBRN agents.
The CBRN gas mask filters are produced with standard NATO 40mm round threads according to STANAG 4155 (EN 148- 1)- Rd 40x1/7". The CBRN filter components are made of hard plastic. This results in a very robust product that is extremely durable against shock and impact damage in operational use.
IMPORTANT NOTE: Due to the shorter threads, the NBC-17 SOF 40mm NATO Filter is NOT compatible with the MB-90 PAPR unit.
| Parameter | Specification |
|---|---|
| Diameter | 90 mm |
| Height | 85 mm |
| Weight | 205 g ± 5% |
| Storage Time | 10 years (factory-sealed) |
| Breathing Resistance |
@ 30 L/min (EN 14387 + A1 using NBC-17 SOF 260): < 200 Pa
@ 95 L/min (EN 14387 + A1 using NBC-17 SOF 980): < 800 Pa
|
| Category | Code | What It Filters / Designation | EN 14387 + A1 Efficiency @ 95 L/min | NBC-17 SOF Efficiency @ 95 L/min |
|---|---|---|---|---|
| Gas/Vapor | A2 | Organic gases and vapors | — | — |
| Gas/Vapor | B1 | Inorganic gases and vapors | — | — |
| Gas/Vapor | E1 | Acid gases and vapors | — | — |
| Gas/Vapor | K1 | Ammonia and amines | — | — |
| Particle | P3 | Particles | NaCl: 99.95 % / Paraffin Oil: 99.95 % | > 99.999 % |
| Particle | D | Dust | NaCl: 99.95 % / Paraffin Oil: 99.95 % | > 99.999 % |
| Particle | R | Reusable | NaCl: 99.95 % / Paraffin Oil: 99.95 % | > 99.999 % |
Note:
1) Standard EN 14387+A1
2) The filter was tested on dolomite dust clogging
| TESTING GAS | CONCENTRATION OF TESTING GAS | BREAKTHROUGH TIME IN MINUTES EN | NBC-17 SOF | DAC IN GRAMS NBC-17 SOF | |
|---|---|---|---|---|---|
| PPM | MG/l | ||||
| A2 Cyclohexane C6H12 | 5000 | 17.5 | 35 | 37 | 19.425 |
| B1 Chlorine Cl2 | 1000 | 15 | 20 | > 30 | > 2.700 |
| B1 Hydrogen Sulphide H2S | 1000 | 7.1 | 40 | > 60 | > 2.520 |
| B1 Hydrogen Cyanide HCN | 1000 | 5.6 | 25 | > 60 | > 5.820 |
| E1 Sulphur Dioxide SO2 | 1000 | 13.3 | 20 | > 30 | > 2.430 |
| K1 Ammonia NH3 | 1000 | 3.5 | 40 | > 60 | > 1.260 |
Breakthrough time of a gas mask filter is tested according to EN 14387+A1 at humidity 70% and flow rate 30 l/min, which is equivalent to the volume of air per minute used by an average person carrying out medium heavy work. The approximate lifetime (usage time) of a filter may, under normal conditions, calculated by comparing the concentration at the workplace and the minimum Dynamic Adsorption Capacity (DAC) for the filter.
Each NBC-17 SOF gas mask filter is sealed in a plastic bag by the manufacturer. Store the filters unopened in a clean place at even temperature, most appropriate at -5 to +30°C and relative humidity below 80%. Sealed filters tolerate also conditions of -30 to +50°C and RH below 95%. The storage period (month and year) for filters is marked on the filter label. Do not try to regenerate the gas mask filters. Never clean the CBRN filters with compressed air or compressed water.
After use, CBRN gas mask filters are considered special refuse. Make sure that they are disposed of according to the filtered substance (gases or particles) in accordance with current waste treatment regulations. If the product is to be disposed of, it should be dismantled from the respirator and disposed of as solid waste. Please see local authority regulations for disposal advice and locations.
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