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Combined filter B2-P3
 STN EN 141, STN EN 143
Dimensions:
- diameter 110 mm
- height 82 mm
Weight:
Application: As part of a protective mask for protection of respiratory organs. Filters are designed for protection of people from effects of gases and vapours of inorganic substances, e.g.: chlorine, hydrogen monosulphide, prussic acid, phosgene; from solid or liquid aerosols of dangerous chemical substances, radioactive and biological dust.
Service SLZ CHEMIA, a.s. Hnusta
- filter replacement,
- gauge of functional filter qualities.
Technical parameters:
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| Pressure loss at flow 30 l/min. |
max. 150 Pa |
| Pressure loss at flow 95 l/min. |
max. 800 Pa |
| Coefficient of oil mist penetration in %, at flow 30 l/min. |
1.10-4 |
| Sealing |
sealing test at inner overpressure of 17,3 kPa |
| Dynamic sorption capacity (DSC) in g |
| - prussic acid (HCN) |
min. 4,2 |
| - sulphone (H2S) |
min. 8,5 |
| - chlorine (Cl2) |
min. 9,0 |
| - sulphur dioxide (SO2) |
min. 1,6 |
| - phosgene |
min. 8,0 |
 Characteristics:
The filter catches harmful gases and vapours, liquid and solid aerosols through physical sorption or chemical sorption on specially treated charcoal. The product is working at relative humidity 30 - 90 % and within the temperature range from - 30 °C to + 40 °C.
The filter type is designed for catching the group substances according to the European norms EN 141, EN 134 and DIN 3181, the said being respected by the colour marking with a stripe around the filter perimeter.
Product compatibility:
Connecting knuckle filter thread Rd 40x1/7".
Packing:
The filter is hermetically packed in a special aluphane foil with respect to the requirement of the customer.
Warranty terms:
The product warranty period in original packing is 5 years.
Storage period:
In original packing 10 years at temperatures - 10 °C to + 25 °C and relative humidity 65 ± 5 %.
Product safety:
The product is made of the material harmless to health, which causes neither irritation of the respiratory truct nor that of the skin and meets the terms for mechanical strength, non-flammability, recycling, resistance to aggressive substances of a different kind (incl. organophosphates, yperite), coldness and weather effects.
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