What level of fire extinguisher is CO2 fire extinguisher?
Fire rating (1), fire rating rules fire extinguisher fire rating shall be borne by the numbers and letters, numbers should be said the fire rating of the size of the letters (A or B) should be said fire rating units and application of fire fighting. At present, the world fire extinguisher standard only A and B two types of fire extinguishing level, of which "3A" refers to the fire extinguisher to extinguish a class of minimum fire extinguishing level, "1B" refers to fire extinguishers to extinguish B class fire minimum fire extinguishing level. There are 3A, 5A, 8A, 13A and 21A in our current standard series specifications...... 55A and 1B, 2B, 3B, 4B, 5B...... 120B two series, respectively marked in the specifications of fire extinguishers on the nameplate. The design and calculation of fire extinguisher configuration using fire extinguishing level is an advanced scientific method commonly adopted by all developed countries in the world, and also conforms to the actual needs of fire fighting. Table 5-5-2-1 lists at home: all standard fire extinguisher fire rating, choose to design calculation of fire extinguisher configuration design.
The concept of specifications usually have two kinds of specifications of fire extinguisher representation, and had concept of dimension. 1), fire extinguishing dosage specification. A specification for a fire extinguisher represented by a fire extinguishing dose filled in a fire extinguisher barrel. Among them, water (water, acid and alkali) fire extinguishers and foam (chemical foam fire extinguisher L), such as MP6 6, refers to the fire extinguisher dose, specifications for 6 liters. Other types of fire extinguishers are expressed in kilograms (KG). For example, the MT5 5 means the fire extinguisher dose of the CO2 extinguisher, which is 5 kg.
