| 摘要 |
<p>The fitting has a support sleeve (1) and a connection section (11a) that is provided at one end. Another connection section (11b) is provided at opposite end, where the former connection section is formed to attach a pipe section. A central section (12) is arranged between the connection sections, and includes fixing elements (32, 34) partially running around the support sleeve. A separable ring element is attached on the support sleeve and held in a fixed position in the central section by the fixing element. The support sleeve is made of metal alloy, plastic and metal plastic composite material. The ring element is made of metal, plastic and metal plastic composite material.</p> |
