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Make sure that the mouth of the discharge pipe of the safety valve of the underground storage tank is 2.5 meters above the ground, and install an elbow or BB at the top of the discharge pipe or mixing discharge pipe so that water does not collect. inside the pipe.
Make sure that the mouth of the discharge pipe of the safety valve of the underground storage tank is 2.5 meters above the ground, and install an elbow or BB at the top of the discharge pipe or mixing discharge pipe so that water does not collect. inside the pipe. Safety valve manufacturers must obtain the relevant special equipment manufacturing license. In addition, the factory must have a safety valve certificate. Also, the relevant medium of the certificate must be liquefied petroleum gas. Safety valves are inspected once a year. If more than one safety valve is installed on the storage tank, the opening pressure of both safety valves must not exceed the design pressure. In addition, the opening pressure of the remaining safety valve can be appropriately increased. However, it should not exceed 1.05 times the design pressure of the storage tank. Lead Seal After Passing