Invention Grant
- Patent Title: Valve trim apparatus for use with control valves
-
Application No.: US16117907Application Date: 2018-08-30
-
Publication No.: US11339897B2Publication Date: 2022-05-24
- Inventor: Thomas Nelson Gabriel , Jason Gene Olberding , Daniel James Eilers , Kimball Ralph Barron , Raymond W. Micheel
- Applicant: Fisher Controls International LLC
- Applicant Address: US IA Marshalltown
- Assignee: Fisher Controls International LLC
- Current Assignee: Fisher Controls International LLC
- Current Assignee Address: US IA Marshalltown
- Agency: Hanley, Flight & Zimmerman, LLC
- Main IPC: F16K47/08
- IPC: F16K47/08 ; F16K3/24 ; F16K47/02 ; F16K47/04 ; E21B34/02 ; F16K3/34

Abstract:
Methods, apparatus, systems and articles of manufacture for valve trim apparatus for use with control valves are disclosed. An example valve trim apparatus for use with a fluid valve includes a cage positioned in a fluid flow passageway of a valve body, the cage including a primary valve seat and a secondary valve seat. The valve trim apparatus includes a valve plug slidably positioned within the cage, the valve plug including a primary sealing surface to sealingly engage the primary valve seat and a secondary sealing surface to sealingly engage the secondary valve seat, the primary sealing surface adjacent to a first end of the valve plug and the secondary sealing surface spaced away from the primary sealing surface along a longitudinal axis of the valve plug toward a second end of the valve plug.
Public/Granted literature
- US20200072383A1 VALVE TRIM APPARATUS FOR USE WITH CONTROL VALVES Public/Granted day:2020-03-05
Information query