What is a water-based fire extinguisher? Water-based fire extinguisher standards

A water-based fire extinguisher is a fire extinguisher internally filled with nitrogen and AFFF water-based film-forming foam. It injects the foam generated by the incineration of nitrogen and AFFF water into the surface layer of the fuel. The formed water film isolates the fuel and the air. As a result, fire extingu Under the national regulations, the use of water-based fire extinguishers has a period of six years, and the use of fire extinguishers may not be so effective.

Water-based fire extinguisher standards

The standard setting of water-based fire extinguishers is revised in accordance with GB 4398-1984 "Hand-held water fire extinguisher" and is based on GB 4351-1997 "General technical conditions for portable water-based fire extinguishers" and ISO/DIS. 7162-1995 "Fire-fighting portable water-based fire extinguisher performance and structural requirements" as the basis for the provisions of the water-based fire extinguishers technical requirements, signs and inspection rules.

1. Technical requirements

Water-based fire extinguishers are available in three sizes: 3L, 6L, and 9L, and fire extinguishers have a temperature range of -10 to 55 degrees Celsius and 5 to 55 degrees Celsius. Within this range, the fire extinguisher has a remaining injection rate of less than 10%. The jet lag time is less than 5 seconds;

2. Sign

The fire extinguisher must be packaged in accordance with the requirements for storage and transportation. The name, model, and specification of the product must be included on the package; the quantity and dimensions of the interior (length, width, and height); the date of manufacture and its serial number; the marking 'Preventing moisture' or 'Forbidden' Sun exposure' and other words;

3. Test methods

Fire extinguishers sampling methods and results assessment should be carried out in accordance with the provisions of GA 90-1994.

PTFE

Ptfe Slide Plate,Plastic Sheet,Ptfe Plate Highway Bearing,Ptfe Sheet Etched

SHENZHOU YUHUA POLYMERS CO.,LTD , https://www.yhpolymers.com