How to use fire hydrant diagram of correct use method of fire hydrant
4hw.com.cn: fire hydrants are our necessary fire prevention tools, but there are still many friends who don't know how to use them. Let's take a look at how to use fire hydrants.
1. Open the fire hydrant door:
2. One person connects the gun head and hose and runs to the fire point:
3. Another person shall connect the water hose and valve door:
4. Turn the hand wheel of the fire hydrant counterclockwise to spray fire.
Note: be sure to cut off the power supply when the electrical appliance is on fire. Lay water hose towards the fire site to avoid twisting.