Fire extinguishers
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Carbon dioxide fire extinguishers
designed for Class B fires (flammable liquid fires), fires on electric railroads and urban transportation , museums, picture galleries and archives, electrical installations of less than 10000 Volts, and electronics. These kinds of extinguishers are not designed for extinguishing fires of various substances burning without access of air (cotton, pyroxylin, nitrocellulose and others).

Parameter Rating value
U-2 U-3 U-5
Type of extinguishing media Low temperature liquid carbon dioxide, high or first sort according to GOST 8050-85
Cylinder volume, l 2 +- 0.1 3 +- 0.015 5 +- 0.25
Weight of extinguishing substance, kg 1.4 +- 0.07 2 +- 0.1 3.5 +- 0.1
Fire extinguishing power in tB class, m2 13 B 13 B 21 B
Activation endurance, s, not more than 5 5 5
Weight, charged (without holder), kg, not more than 6 8 15
Operating temperature span, - 20 - +50
Working pressure in the cylinder at temperature of 20C, MPa (kgf/sq.sm) 15(150) 15(150) 15(150)
Jet-length of extinguishing substance at temperature of 20+5C, m, no less than 1.5 1.5 1.5
Certificate U-2 U-3 U-5

Dry powder fire extinguishers
perfect for fighting fires occurred at industrial and farming objects, garages and vehicles. Also used at sea and river vessels as the first fire fighting mean for class A fires (solid substances), class B fires (liquids) and class C fires (gas), at electrical installations of less than 10000 Volts, flats etc.
Parameter Value
P-9 P-5 P-2
Type of extinguishing substance Extinguishing powder
Cylinder volume, l 11 +- 0.3 6.5 +- 0.3 2.5 +- 0.1
Weight of extinguishing substance, kg 9.0 +- 0.18 5.0 +- 0.1 2.0 +- 0.06
Discharge time, s, not more than 5 5 5
Weight, charged (without holder), kg, not more than 16 11 6
Operating temperature span, - 20 - +50
Working pressure in the cylinder, MPa (kgf/sq.sm) 14 +- 2 14 +- 2 14 +- 2
Minimum jet-length of extinguishing substance, m 4.5 3.5 3
The minimum ejection duration of extinguishing, sec 14 13 8
Weight of remaining powder after the usage, %, not more than 15 15 15
Weight of plasma-forming gas: Air, g
2, g

70 +- 5
145 +- 15

48 +- 5
95 +- 25

20 +- 5
35 +- 10
Service life, year 10 10 10
Certificate P-9 P-6 P-2