Replaceable Seat Pocket Assembly
AssigneeAWC Frac Valves Inc.
InventorScott Linder
Life of this patent
Estimating the term…
Abstract
A replaceable seat pocket assembly (10) for a gate valve body, the valve body comprises a recess (13) forming a seat pocket interface around the flow bore (B) by the gate opening, the seat pocket assembly (10) is arranged to be replaceable and comprises a ring shaped replaceable seat face ring (1), an energizing retaining collar (3) provided with threads. The invention also comprises a tool (1000) for replacing the replaceable seat pocket assembly, and also a kit and a method for installation of the replaceable seat pocket assembly.
Claims25
A replaceable seat pocket assembly for a gate valve that comprises a gate valve body comprising a recess forming a replaceable seat pocket interface, said recess having a rear wall and an inward facing circumferential side wall with a threaded portion;
- said replaceable seat pocket assembly comprising:
- a replaceable seat face ring adapted for engagement with said rear wall and said inward facing circumferential side wall;
- a seal ring arranged between the replaceable seat face ring and the rear wall of said recess;
- and
- an energizing retaining collar for arrangement onto said replaceable seat face ring, said energizing retaining collar having a threaded outer circumferential wall to interact with said threaded portion;
- wherein said replaceable seat pocket assembly comprises an interface between a valve seat and said gate valve body.
Dependencies are inferred from the claim text.