Designed for suction and discharge of air, water, oil, abrasion, chemical, heavy acid, etc. at working pressure of 100 psi, 150 psi, 200 psi, and 300 psi. These hoses are factory coupled, and there is no hose band used. Neither leakage nor flange separation will occur. The hose details as to construction, flange, and usage are described as follows.