发明名称 |
SNELWERKENDE AFSLUITER VOOR HET REGELEN VAN EEN FLUIDUMSTROOM. |
摘要 |
<p>A quick-acting isolating valve including a valve body having a fixed seat defining an opening through which fluid may flow and co-acting therewith a movable head carried on a stem which is provided with a piston reciprocable in a piston chamber formed in the valve body, there being a fluid outlet from the chamber permitting discharge of fluid from the chamber upon movement of the piston within the chamber when the movable head moves toward or away from its fixed seat and means for effecting progressive restriction of fluid flow through the outlet as the movable head approaches the position of abutment with the fixed seat.</p> |
申请公布号 |
NL177144(B) |
申请公布日期 |
1985.03.01 |
申请号 |
NL19740003670 |
申请日期 |
1974.03.19 |
申请人 |
DEWRANCE & CO. LIMITED TE SKELMERSDALE, GROOT-BRITTANNIE. |
发明人 |
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分类号 |
F16K31/143;F16K31/363;F16K31/383;(IPC1-7):F16K31/363 |
主分类号 |
F16K31/143 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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