| 摘要 |
Electromagnetic flame safety gas valve of the type that is incorporated into a housing (6) of a domestic gas supply tap, that comprises an electromagnet (2) with a core (3) and a movable armature (4) attracted by the core (3) of the electromagnet (2) when it is switched on thereby opening a valve seat (20), a valve sealing member (9) connected to said movable armature (4) in order to move it, a protective casing (10) that houses the electromagnet (2) by enclosing it and a return spring (8) of the sealing member (9) in a rest position when the valve seat is closed. The protective casing (10) is extendable axially and comprises at least one moving element (12) that is moved in conjunction with the sealing member (9) and the movable armature (4), and the return spring (8) is housed in said protective casing (10). |
