Fire Extinguishers Services

Fire extinguisher need to work straight away when needed, so it is vital they are regularly checked and serviced. Fire extinguishers are pressurized vessels that can burst when corroded or damaged and have been known to cause serious injury and even death. The Regulatory Fire Reform (Fire Safety Order) states that firefighting equipment “ must be subject to a suitable system of maintenance and are maintained in an efficient state, in efficient working order and in good repair,” There are two types of maintenance procedures. Visual inspection by the user and maintenance by a competent person.

Every five years most fire extinguishers need an extended service. This means completely discharging the extinguisher, checking for internal corrosion, refilling and repress rising, ABC Dry Powder, Clean Agent, Carbon Dioxide (CO2), AFFF, DCP (Dry Chemichal Powder) and Water Type extinguishers need an extended service every 1 and 5 years. This involves a hydro static pressure test to comply with pressure vessel legislation and a new valve, Most fire extinguisher servicing engineers will supply a ‘ service exchange ’ (refurbished) unit due to the onerous requirements of this process. It can be cheaper to purchase a new extinguisher.

The substances in Dry Chemical Powder Extinguishers can stop this process, ... Sodium bicarbonate, regular or ordinary used on class B and C fires, was the first of the Dry chemical agents developed. In the heat of a fire, it releases a cloud of carbon dioxide that smothers the fire.

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Generally, the agents applied are Water Type, Chemical Foam, Dry powder, Clean Agent, or Carbon Dioxide (CO2), Unfortunately no one agent is effective in fighting all types (classes) of fires. The type and environment of the combustible material determines the type of extinguisher to be kept nearby.

Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish.