Spring-loaded safety valve common faults and precautions

One of the faults, sealing surface leakage. The reasons are: â‘  between the sealing surface debris; â‘¡ sealing surface damage. This failure to rely on regular maintenance to prevent. Fault two, the sensitivity is not high. The reasons are: â‘  spring fatigue; â‘¡ spring improper use. Spring fatigue, no doubt should be replaced. Spring misuse, the user does not pay attention to a nominal pressure spring-loaded safety valve, there are several pressure sections, each pressure section has a corresponding spring. Such as the nominal pressure of 16 kg / square centimeter of the safety valve, the use of pressure is 2.5-4 kg / cm2 of the pressure section, the installation of 10-16 kg / cm2 spring, although also can make improvable open, but the ups and downs Very insensitive.

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