The powder extinguisher consists of salt compounds that can quickly suffocate the fire.
And ‘the most widely used due to its universality and versatility. It can be applied on live electrical equipment, flammable liquids and materials such as wood, textiles, paper, plastics, etc.
COMPOSITION
The fire extinguisher is composed of:
– Tank: designed to contain the fire extinguishing and / or the propellant;
– Valve: to intercept and regulate the flow of the extinguishant;
– Hoses: hose to direct the flow of the extinguishing (can be omitted in fire extinguishers small).
GUIDE
Pull the safety tab from the handle. The tab is located on the top of the extinguisher. When thou hast removed, release the locking mechanism,
allowing me to discharge the extinguisher.
Tip of the mouth towards the base of the fire extinguisher. As explained, it will serve to remove the point of origin or the fuel of the fire. Stay low. Press the lever or the handle slowly to release the agent. Leave the handle will stop the download, so keep it pressed. The fire sweeps from right to left, approximately 15 cm above the origin uses up to switching it off. The movement to sweep help extinguish the fire. You’re at a safe distance from the fire extinguishers are designed to be used at a distance. So that the fire can be extinguished in a short time is crucial direct the jet of powder extinguisher at the base of the flames and not above it. The powder extinguisher is downloaded in seconds, according to its capacity and its weight.
CHARACTERISTICS
Depending on the weight extinguisher has its own characteristics and behaviors.
Normally all types of powder extinguishers have a length of jet of about 6 meters.
3kg-> The discharge time is 6 seconds.
6kg-> The discharge time is 9 seconds.
10kg-> The discharge time is 12 seconds.
+ 10kg-> The discharge time is about 15 seconds.
MAINTENANCE
The maintenance of a powder extinguisher is divided into 4 phases:
-Sorveglianza: Generally performed every month.
-control: Eff. every six month.
-revision Eff. every 3 years.
-Collaudo: Eff. every 6 years.