| 摘要 |
<p>A safety shut off valve (14) automatically shuts off in response to seismic or other shock wave forces. The shut off assembly (14) includes a housing (12) having a mass spring system (40, 42, 44) mounted therein for translating lateral forces exerted against the housing (12) to an axially movable magnet (37) for decoupling a valve member (54).</p> |
