... We are a China supplier of woven fire hose with hose coupling. The ID, length and Working Pressure are ... plumbing system.Quality ControlPressure testing the hoseWhile the hose is under pressure, it is inspected for leaks ... that the couplings are firmly attached. After testing the hose is drained, dried, rolled, and shipped to ... 40 mm, 50 mm, 65 mm, 80 mm, 100 mm, 150 mm.Length: 15 meters, 20 meters, 30 ...