In many commercial, industrial and even residential structures, there is a possibility of any type of fire. Water is one of the most important fire extinguishing materials in firefighting systems, some of the reasons for which are: availability, lack of environmental effects. No danger to human life, no expiration date or expiration date, absorption of high thermal energy in order to change the phase from liquid to vapor. Therefore, for these reasons, this material is widely used in fire fighting systems. This system is mainly used for fire extinguishing of class A materials, cooling system of equipment and storage tanks, transformers, Ayman Fidar Erwin Company operates in this field.