A force application mechanism allowing the valve plug to closely cling to the flat plate is arranged in the valve body.
阀体内设有一个使阀塞与该平板紧密地贴靠在一起的施力机构。
A new technique is described for safety-valve on-line testing in which out-source gas is introduced into the cavity enclosed by the valve plug and rupture disk.
介绍了一种利用外接气源,向安全阀瓣与爆破片形成的隔离腔内直接充压,对安全阀进行在线检测的方法。
The reversing driving device of the valve plug has the advantages of reasonable structure, good stopping property, high precision, easy to process, and suitable for the multi-channel conversion valve.