| 摘要 |
<p>1,174,106. Valves. ARCA PREMONCONTROLE S.A. 8 March, 1967 [21 March, 1966], No. 10832/67. Heading F2V. A valve comprises an inlet chamber with opposed seats 3 and 4 leading to an outlet chamber, a cylindrical closure member 1, having at least one V-shaped aperture 5, cooperating with the seat 3, connected to a closure member 2 of parabolic shape co-operating with the seat 4, and a control rod 6 to move the members 1 and 2 axially.</p> |
