During normal use of the valve and verify, due to the design, manufacture or improper use can cause a variety of failures. These failures are not promptly removed, will affect the efficacy and safety valve life A40Y-C valve, serious but also endanger the lives and safety of the user. 1, the valve leaks. Valves and valve seat sealing surface took place more than allowed levels of leakage, causes and solutions: a, because there is leakage between the valve and seat stolen sealing surface can be washed down several times to open the valve on the line . b, the sealing surface damage, the extent of damage can be repaired using abrasive grinding or turning method. c, curved stem, tilt Den. Should be re-assembly or a replacement items must be kept clean safety valve to prevent the valve springs are full of grease dirt or corrosion stalks safety valve to prevent gas safety valve discharge pipe is clogged oil or other foreign matter; always check lead seal is intact Weifang A40Y-C valve, safety valve to prevent the lever hammer loose or moved against the spring-loaded safety valve adjustment screw is free to twist. Second, the safety valve after cleaning, you must re-commissioning. Third, the class should be used to clean light oil safety valve. Fourth, after the beginning of the operational phase of commissioning, should be carefully observed the operation of the safety valve. Weifang valves, valve model Everbright, safety valve provided by Shandong China Everbright Limited valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) strong, credible, Shandong Weifang ball industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Everbright valve into the brilliant and you work for a better future!