| 摘要 |
<p>A valve module, specially for undersea petroleum wells, of the type consisting of a central block inside which are provided first and second flow lines fitted with valves; from the first line a production line fitted with a valve leaves the block, and from the second line also to outside the block, leaves a control line fitted with a valve, the referred production and control lines being interconnected by a connecting line outside of the block and which is also fitted with a valve. The central block (B) has two valves (2, 3) in tandem in its first line (L1); the production line (LP) leaves from a section of said first line (L1) located between these two valves (2, 3), the second line (L2) of the central block (B) being fitted with a valve (1), from under which leaves the control line (LC), and outside the central block (B), the control line (LC) is fitted with a valve (5) between the central block (B) and the take-off from the interconnecting line (LI).</p> |
