| Original document(7 pages) 中文版 |
The up-sealed downstream sealed valve has improved up-sealed structure and thus improved sealing performance when the valve is opened, and long service life. The sealed valve includes valve body, valve cap, valve core, valve rod and hand wheel. There are one conic cavity formed by the valve wall and one cone matching the conic cavity in the lower part of the valve rod. There are double conic and planar sealing or triple conic, planar and beveled sealing. The present invention may be used widely in various fluid controlling fields of different pressure, different temperature and different pH value. |
Application Number
申请号 |
01122771 |
Application Date
申请日 |
2001.07.22 |
| Title 名称 |
Up-sealed downstream sealed valve |
Publication Number
公开号 |
1399086 |
Publication Date
公开日 |
2003.02.26 |
| Approval Pub. Date |
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Granted Pub. Date |
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| International Classification 分类号 |
F16K1/00,F16K41/14 |
Applicant(s) Name
申请人 |
Sun Dexuan |
| Address 地址 |
317605 |
| Inventor(s) Name 发明人 |
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| Attorney & Agent 代理人 |
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| More information 更 多 信 息 |
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