Working pressure: The test pressure of the rubber joint is 5 times of the working pressure, and the bursting pressure is 3 times of the working pressure.
Vacuum resistance: the rubber joint with a nominal inner diameter of 300mm or less and a working pressure of 1.6Mpa or more, the vacuum resistance is not less than 100Kpa, and the rubber of other specifications will be defined by the agreement between the supplier and the buyer.
