| 摘要 |
<p>A valve module, specially for undersea petroleum wells, of the type consisting of a central block, in the interior of which are first and second flow lines; from the first line, a production line fitted with a valve comes out of the block, and from the second line, also to outside the block, leaves a control line fitted with a valve, the first line (L1) of the central block (B) is fitted with only one valve (3) and is sealed at its upper end by a removable cap (9); the production line (LP), fitted with a valve (8), leaves from a stretch of the first line (L1) located above the valve (3) of this line (L1), the control line (LC) being fitted with at least one valve (5).</p> |
