A high-pressure direct-flow stop valve
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 汉工阀门股份有限公司
- Publication Date
- 2020-03-31
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Abstract
Description
technical field
[0001] The invention relates to the technical field of cut-off valves, in particular to a high-pressure direct-flow cut-off valve. Background technique
[0002] A traditional high-temperature and high-pressure globe valve includes a handle, a worm, a worm nut, a rotating assembly combined with a worm nut lock nut on the upper part of the worm, a valve stem connected to the worm, a valve body, a packing culvert, a valve disc, and a valve seat, among which, Both the inside and outside of the stuffing culvert are equipped with stuffing, and the stuffing outside the stuffing culvert needs to be sealed with the inner wall of the valve body. However, it is difficult to process holes in the valve body, and it is difficult to meet the process requirements. The existing high-voltage direct-flow globe valve cannot automatically The opening and closing of the valve leads to difficulty in opening and closing the valve, and it is impossible to measure the water flow, resu...