Data Sheet

8510/8510B Valve
D100066X012
Product Bulletin
51.6:edisc (EMA)
February 2013
7
Figure 5. Action of Bidirectional P TFE Seal RIng (Top) and Metal Seat Ring (Bottom)
Note:
Arrow indicates disc position with no pressure.
1
B1558-3
DISC CLOSING OR OPENING AND NOT
IN CONTACT WITH SEAL RING
DISC CLOSED AND IN
CONTACT WITH SEAL RING
ACTION OF SEAL RING WITH PRESSURE
APPLIED FROM BOTH DIRECTIONS
STANDARD
FLOW DIRECTION
STANDARD
FLOW DIRECTION
VALVE BODY
SEAL
RETAINER
SEAL RING
SPRING
DISC
DISC
VALVE BODY
SEAL
RETAINER
SEAL RING
DIRECTION OF
PRESSURE
DIRECTION
OF PRESSURE