| 摘要 |
<p>Fitting for connection of smooth tubes (6) to threaded tubes or threaded guide tubes (5), preferably in water installations wherein the connection consist of a nut (1), elastomeric packing ring (2), support disc (3) and retaining ring (4), and to avoid a risk for leakage the nut (1 ) is provided with an internal recess (7) that is extended roughly outward to the nut threads' maximum diameter and executed with a sloped wall (8) that terminates the recess (7) in the nut (1 ) and the same recess (7) is placed where the elastomeric packing ring (2) is placed inside the nut (1 ) and the recess (7), and the width of the elastomeric packing ring (2) is adjusted to the width of the recess (7) in the nut (1 ).</p> |
