| 摘要 |
<p>A retaining angle valve with gravity closure comprises a main body formed by a valve with a single cast receiving body which projects inwards, forming a communicating chamber with an outlet positioned at 90° in relation to the axis of the entry, is externally coupled to a chromium seat, while internally the chamber is equipped with a chromium counter-seat for closure and grinding attached to a longitudinal control shaft which slides inside the cavity of the centring bushing, one end of which is inserted into the interior of the communicating chamber, while the opposite end has a plug which projects beyond the external face of the cover; the internal face receives a sealing unit which is seated on the receiving body, the cover being attached with screws, while the seat is also equipped with a sealing unit.</p> |
