发明名称 |
Stop gate valve with two stop plates - has chamber contg.inner wedge mechanism with wedge-shaped compression pieces and ball |
摘要 |
The valve comprises two stop plates (15,16) which are held in the closed position by two wedge-shaped pieces (4) attached to a spindle (7). The wedges are separated by a free floating ball (8). The wedge mechanism and upper chamber (24) are sealed from the outer area by bellows (23). The spindle is sealed by a second bellows (21) which joins the first bellows, but is separated from the upper chamber. USE/ADVANTAGE - For so called wedge-in-wedge slide valves,with protection from dirt and sediments for good efficiency.
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申请公布号 |
DE4218877(C1) |
申请公布日期 |
1993.05.27 |
申请号 |
DE19924218877 |
申请日期 |
1992.06.09 |
申请人 |
ZIMMERMANN & JANSEN GMBH, 5160 DUEREN, DE |
发明人 |
VIESS, PETER, DIPL.-ING., 5166 KREUZAU, DE |
分类号 |
F16K3/14 |
主分类号 |
F16K3/14 |
代理机构 |
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主权项 |
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