The SR 77-3 Escape Hood is a respiratory protective equipment combined with a hood designed to save lives in emergencies such as fires or chemical accidents. This hood is Sundström silicone half mask based. Materials used in this hood are flame-resistant. Nassguard is the best supplier of respiratory protection equipment in Qatar. The hoods are vacuum-packed in aluminum bags. The hood can worn quickly and easily without prior adjustment. The Escape Hood is available in two sizes. It is the best fit for both adults and teenagers. The hood has gas filter SR 331-2, ABEK1-CO, and particle filter SR 510, P3. It provides short-term protection against carbon monoxide and other toxic gases and particles that may radiate in a fire or a chemical emission accident. Nassguard is the best supplier of respiratory equipment in Qatar.

SR 77-3 Escape Hood Technical Specification

Weight ≈ 700 g ≤ 1,000 g –
Package dimension 210 x 160 x 150 mm – –
Contingency bag 150 x 130 x 190 mm – –
Shelf life 10 years – –
Temperature range -20 – +55 °C, < 90 %RH – –
Filtration efficiency, Sodium Chloride NaCl > 99.997 % ≥ 94 % ≥ 99.95 %
Filtration efficiency, Paraffin oil > 99.997 % – ≥ 99.95 %
Resistance time
Carbon Monoxide CO, 0.25 %–1.0 % > 30 min ≥ 15 min –
Akrolein C3H4O, 100 ppm > 100 min ≥ 15 min –
Hydrogen Chloride HCl, 1,000 ppm > 36 min ≥ 15 min –
Hydrogen Cyanide HCN, 400 ppm > 25 min ≥ 15 min –
A1, Cyclohexane C6H12, 1,000 ppm > 110 min – ≥ 70 min
B1, Chlorine Cl2, 1,000 ppm > 130 min – ≥ 20 min
B1, Hydrogen Cyanide HCN, 1,000 ppm > 40 min – ≥ 25 min
B1, Hydrogen Sulphide H2S,1,000 ppm > 210 min – ≥ 40 min
E1, Sulphur Dioxide SO2, 1,000 ppm > 130 min – ≥ 20 min
K1, Ammonia NH3, 1,000 ppm > 130 min – ≥ 50 min
Approvals EN 403:2004 M/S,
EN 14387:2004 + A1:2008