Title: Flexible hoose.pdf
A sample Model ASH15-2025 flexible sprinkler hose in a length of 20 in. (500 mm), considered representative of all sprinkler hose discussed in this Report, was subjected to a vacuum of 26 in. Hg (0.88 bar) for a period of five minutes. Following the test, the hose was hydrostatically pressurized to 700 psi (4830 kPa) and maintained for a period of five minutes. There was no visible damage or leakage observed. This result was deemed satisfactory.FRICTION LOSS TEST