How to select a high pressure PVC hose
Fire fighting is an important part of our daily life. While the layflat fire hose is the main part for fire fighting. However, a lot of people don’t know much about the attack hose. Then next, let me introduce you something about the fire hose.
What is the function of lay flat fire hose
Fire hoses are the hoses to transport high pressure water or fire retardant liquids such as foam. Fire hoses have a rubber or PVC lining. Then there is polyester wrap the inner tube.
The functions of fire hydrant hose
1. For shooting water. The fire truck is filled with water. When it stops, it is still a certain distance away from the fire scene. At this time, you need to connect a water hose to the fire truck. Then connect the other end of the fire hose to a water gun. When the water pump of the fire truck starting, it will spray out the water to put out the fire.
2. Used to absorb water. When the water in the fire truck is used up, you need to fill water through the attack hose. Advanced fire hoses adopt polymer materials such as PU. Besides, there are metal joints at both ends of the fire hose. Then you can connect it to another hose to extend the distance. Or you can connect it a nozzle to increase the liquid spray pressure.
Types and features of fire hoses
From the structure, fire hose has lined layflat fire hose and unlined hose. But in fact, the lined fire hose is much better. Because the lining hose can bear high pressure. Besides, it is resistant to wear, mildew and rot. In addition, it is not easy to leak. What’s more, smooth inner wall makes the water flows with high efficiency. Moreover, it is much more durable. It can also be bent and folded at will and moved at will. It is easy to use and is suitable for laying in external fire places.
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