| 摘要 |
<p>A gate valve seat for a gate valve includes a seat (101) having a stepped outer wall surface, with a spring (102), spacer ring (103), front facing lip seal (104), and a rear facing lip seal (105) disposed about the stepped outer surface of the seat. The spring (102) may be releasably locked into a compressed configuration for installation of the gate of the gate valve.</p> |
