Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2014
Patent Application Number
13079874
Date Filed
April 5, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A gate valve includes a floating gate valve seat that effects a seal between a gate of a gate valve and a gate valve body using a metal seal. The gate valve includes a floating gate valve seat interposed between a gate and a gate valve body. The gate valve seat has a spring member with a cylindrical portion secured to the gave valve seat. The spring member has a leg that exerts a spring force against the gate valve body to maintain a seal between the floating gate valve seat and the gate. A metal-to-metal seal seals between the cylindrical portion of the spring member and a cylindrical portion of the gate valve seat.
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