The importance of seals in safety valves
The function of the seal is to protect the safety valve from being in the normal position, to prevent someone from mistakenly closing the valve, so that the safety valve is not safe. In addition, the purpose of the safety valve plus hand valve is: if your safety valve needs to be calibrated, your handle valve is closed and the safety valve is isolated and corrected, so that it does not affect the production. Therefore, it is necessary to add a hand valve in front of the safety valve. The hand valve of the safety valve is sealed to prevent the operation of the handle valve from opening.
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