MP-21/1 Half - mask
MP-21/1 Half - mask
The MP-21/1 Half Mask connected with respective gas filters or air line system is designed for protection of human breathing system against toxic gases, vapours, fumes and dust. The half mask is provided with DIN threaded connector Rd 40x 1/7", 2 exhalation valves and voice transmitter.
The MP-21/1 Half Mask is available in two sizes - the S/M - smaller and the M/L -bigger; made from rubber or silicone as well. The head harness is fixed to the face piece by yoke assembly provided with adjusting buckles.
The MP-21/1 Half Mask meets requirements of EN-140 Standard.
The MP-21/1 Half Mask is available in two sizes - the S/M - smaller and the M/L -bigger; made from rubber or silicone as well. The head harness is fixed to the face piece by yoke assembly provided with adjusting buckles.
The MP-21/1 Half Mask meets requirements of EN-140 Standard.
Specification
| FEATURE | Value permissible to EN-140 Std. | Test value obtained |
| Mass of half mask (grams) | < 300 | 155 |
| Inhalation resistance (Pa): - flow rate 30 dm³/min - flow rate 95 dm³/min | < 50 < 130 | < 15 < 90 |
| Exhalation resistance (Pa): - flow rate 160 dm³/min | < 300 | < 130 |
| Average leak index (%) | < 2 | < 2 |