| 摘要 |
<p>A floor gully is formed by a fundamental hollow body (26) having in bottom portion an outlet and being in its upper portion provided with an insulation plate. Inside said fundamental hollow body (26) there is mounted within a removable holder (13) a gully trap (28). Said removable holder (13) consists of a cylindrical shank (27) divided by a shoulder (31) to a bottom open section, that is provided with at least two external peripheral grooves (32), and an upper section terminated by a circumferential frame (23) for seating an outlet grate (18). The gully trap (28) consists of a body (1) having the form of a hollow cylinder that is provided in its upper portion with a flange (12) confining an inlet aperture (5). Below the flange (12), the body (1) is provided with through-flow apertures (9) and in its lower section it is closed by a removable lid (2).</p> |
