发明名称 |
GATE VALVE |
摘要 |
<p>The slanted closing rim of a valve plate includes a cylindrical portion at the rear side, having a diameter D1 which corresponds to the width of the plate and slightly exceeds the diameter D3 of the passage throat. A groove in the casing guides the narrow sides of the valve plate and accomodates a seal strip. The grooves partly closed at the front side by a guide strip which in the bottom zone of the passage throat is a semicircularly extending strip. The inside diameter D4 of this cylindrical strip approximately corresponds to that of the valve plate and its axis a extends at a level which is higher by half the difference between diameters D1 and D3 than that of the axis b of the throat passage. A slanted closing rim of the valve plate is provided with shear arcs on its frontal points on each of the side edges. The two shear arcs form a kind of a plowshare deflecting the medium from the seal.</p> |
申请公布号 |
GB2142122(B) |
申请公布日期 |
1986.05.08 |
申请号 |
GB19840015209 |
申请日期 |
1984.06.14 |
申请人 |
* SISTAG MASCHINENFABRIK SIDLER STALDER AG |
发明人 |
HANS * STALDER;HANS * SIDLER |
分类号 |
F16K3/02;F16K3/314;(IPC1-7):F16K3/314 |
主分类号 |
F16K3/02 |
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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