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Page 7 of 18 Report No. 20(04)0336P
EN 149:2001+A1:2009
Clause Requirement + Test Result - Remark Verdict
If an exhalation valve is provided it shall be N
protected against or be resistant to dirt and
mechanical damage and may be shrouded or
may include any other device
Exhalation valve(s) shall continue to operate N
correctly after a continuous exhalation flow of
300 l/min over a period of 30 s.
Exhalation valve housing is attached to the N
faceblank, and withstand axially a tensile force
of 10 N applied for 10 s.
7.16 Breathing resistance P
The breathing resistances apply to valved and See 8.9 P
valveless and shall meet the requirements
7.17 Clogging P
7.17.1 General P
For single-use devices clogging test is an Single-use device P
optional test.
Devices designed to be resistant to P
clogging, shown by a slow increase
The specified breathing resistances shall not be P
exceeded before the required dust load of 833
3
mg·h/m .
7.17.2 Breathing resistance P
7.17.2.1 Valved particle filtering half masks N
7.17.2.2 Valveless particle filtering half masks See 8.9 P
After clogging the inhalation and exhalation Measured less than 4mbar P
resistances shall not exceed Meet the requirement of FFP2
- FFP1: 3 mbar
- FFP2: 4 mbar
- FFP3: 5 mbar
at 95 l/min continuous flow. P
7.17.3 Penetration of filter materia P
All types claimed to meet the clogging P
requirement shall also meet the penetration
requirements given in 7.9.2 after the treatment.
7.18 Demountable parts No any such part N
All demountable parts (if fitted) shall be readily N
connected and secured, where possible by
hand.
8 Testing P
8.1 General P
TRF No. EN 149_1A