Fire hose is a hose used to transport high-pressure water or foam and other flame-retardant liquids. The traditional fire hose is lined with rubber, and the outer appearance is wrapped with flax braid. Advanced fire hoses are made of polymer materials such as polyurethane. There are metal discussions in the middle of the fire hose. You can connect another hose to extend the interval or connect a nozzle to increase the liquid emission pressure.

The characteristics of 　　 fire hose are as follows:

1. The fabric layer of the fire hose should be evenly woven and neat in appearance; no double warp, broken double warp, weft jump or scratches.

2. The thickness of the fire hose lining (or cover layer) should be even, and the appearance should be smooth and smooth, without wrinkles or other defects.

3. The nominal size of the inner diameter of the fire hose and the public service shall comply with the rules.

4. The length and size of the fire hose should comply with the rules.

5. The planned task pressure and pressure resistance value of the fire hose should not be lower than the rules.