According to the fire protection law, fire hydrants should be inspected at least once a year and fire extinguishers should be inspected once every six months to ensure that they are in good condition and effective. Inspection records shall be complete and accurate, and kept on file for future reference. If the fire extinguisher is found abnormal, it should be replaced or sent to the fire fighting unit for filling.

note:

1, portable and cart-type121fire extinguishers, portable and cart-type dry powder fire extinguishers and portable and cart-type carbon dioxide fire extinguishers have expired for five years, and then they must be tested by water pressure test every two years.

2, portable and cart mechanical foam extinguisher, portable water fire extinguisher is valid for three years, after every two years, to carry out water pressure test.

3, portable and cart chemical foam extinguisher, portable acid-base fire extinguisher is valid for two years, after every other year, to carry out water pressure test.

Extended data:

Matters needing attention in the use of fire hydrant

1, connected to fire water supply system or water supply system, with on-off valve and one or more outlets for supplying water to fire hoses or fire engines. ?

2、? The number of outdoor fire hydrants should be determined by comprehensive calculation according to the protection radius of fire hydrants and the fire water consumption of outdoor fire hydrants. The water output of each outdoor hydrant is calculated as 15L/s, and municipal hydrants with a distance of 5 ~ 40m from the protected object can be included in the number of outdoor hydrants. ?

3, dry fire hydrant system water filling time should not be greater than 3 minutes. ?

4. When the indoor and outdoor fire hydrants are directly supplied with water by municipal water supply pipes and an independent fire water supply system is adopted, a backflow preventer shall be set at the interface with the municipal water supply pipe network.

5. Outdoor fire hydrants should be evenly arranged around high-rise buildings and should not be concentrated on one side of the building. The number of outdoor fire hydrants on one side of high-rise buildings should not be less than 2. ?

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