Graphite/metal valve seal assembly for high temperature control valves
A sliding stem control valve (10) includes a valve body (12), a seat ring (22) located within the valve body and a valve plug (20) slidably mounted within the valve body, the valve plug and the valve seat cooperating to control fluid flow through the control valve. A seal assembly (30) is located be...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | A sliding stem control valve (10) includes a valve body (12), a seat ring (22) located within the valve body and a valve plug (20) slidably mounted within the valve body, the valve plug and the valve seat cooperating to control fluid flow through the control valve. A seal assembly (30) is located between the valve plug and the valve seat, the seal assembly including a metal/graphite seal ring (34) located between a first backup ring (60) and a second backup ring (62). A biasing element (64) is located adjacent the second backup ring and a retainer ring (70) is located adjacent the biasing element to maintain the biasing element adjacent the second backup ring. |
---|