| 摘要 |
<p>The present invention relates to a vacuum pressure control valve and, more specifically, to a vacuum pressure control valve capable of controlling the size of vacuum pressure by controlling the air flow amount to control it by steps in a vacuum pressure device providing vacuum pressure to be utilized by the operation of a vacuum pump. The vacuum pressure control valve formed in the vacuum pressure device of the present invention is capable of easily setting the desired vacuum pressure by the rotation of a handle without a separate work to block the air. The use of the present invention is convenient because it can be easily fitted to the vacuum pressure by turning the handle if the correct vacuum pressure required to an operation part is suggested.</p> |
