| 摘要 |
<p>The invention relates to a delivery pipeline system of several pipeline sections (1) comprising an inner pipe (11) and an outer pipe (10), an insulating material (30) being arranged in an annular space (3) between the inner pipe (11) and the outer pipe (10) and the pipeline sections (1) being connected to each other by means of a pipe connector (2). The ends of the inner and outer pipes (11, 10) have threads (110, 100) which are configured at the pipe connector (2) to correspond to receiving threads (21, 20). The pipe connector (2) comprises tubular receiving devices (210, 200) which are arranged concentrically to one another. The invention further relates to a corresponding delivery pipe (1) and a pipe connector (2).</p> |
