Because mono ammonium phosphate itsself is a excellent fire retardant, that is very it is used in the DCP fire extinguisher.
basically in DCP (dry chemical powder) fire extinguishers mono ammoniumphosphate is used. but some more chemicals compound are also used e.g. sodium bicarbonate, potassium bicarbonate, pottasium chloride etc.
In a 5 kg DCP cartridge type extinguisher .the co2 cartridge pressure becomes 7 kg/cm2.
basically in DCP (dry chemical powder) fire extinguishers mono ammoniumphosphate is used. but some more chemicals compound are also used e.g. sodium bicarbonate, potassium bicarbonate, pottasium chloride etc. Yousaf Imran. Pakistan.
ABC is the acronym for an extinguisher certified for A, B, and C type fires. A is common fuels like wood, B is for flammable liquids, and C is for charged electrical fires. DCP stands for Dry Chemical Powder, which is inside the extinguisher and is the actual fire suppressant. Basically, DCP is a type of ABC Extinguisher. You can also get extinguishers for Type D (combustible metals), Type K (kitchen), and other specialized extinguishing agents (i.e. Halon). Or you can get a Type A extinguisher, AB, B, BC, ABC, and others even!
The expiry time of a DCP fire extinguisher is usually around seven years. After this, the powder should be replaced. Additionally, these extinguishers should be checked yearly to ensure all parts are present and that the seals are intact.
Since petroleum is a flammable liquid, a Class B fire extinguisher would be used.
Nytrogen gas
tell me what kind of fire extingting ushers should not be used on ???
To extinguish a plastic material fire, use a Class A, B, or C fire extinguisher as appropriate. For small fires, you can also smother the flames by covering them with a fire blanket or using water to cool the material. Avoid using water on electrical or grease fires involving plastic materials.
It depends upon the type of chemical that is burning, but frequently it is safe to use a dry-chemical powder (DCP), or an ABC type of extinguisher. However, boiling grease fires may need a Class K extinguisher and flammable metals (aluminum, magnesium, lithium, etc) may need a Class D extinguisher.
when the standard dcp would be difficult to remove