Data Sheet

EW Valve
D100023X012
Product Bulletin
51.1:EW
August 2012
19
W9038
BACKUP
RING
SEAL RING
CAGE
Figure 13. Fisher EWT Metal-Seat Valve with Whisper
Trim I Cage
Figure 14. NPS 8x6 Fisher EWD Valve with Whisper
Trim III Cage (shown with optional drain plug)
OPTIONAL TRIPLE PISTON
RINGS USED TO OBTAIN
CLASS IV SHUTOFF (THIS
OPTIONAL SHUTOFF ALSO
AVAILABLE IN OTHER
EWD SIZES AND
CONSTRUCTIONS)
CAGE
RETAINER
BONNET
SPACER
BAFFLE
W9039
Figure 15. Typical Trim Used in Fisher EWD, EWS, and EWT Valves with Whisper Trim III Cages (see table 17)
1
NOTE:
DO NOT EXCEED THE MAXIMUM PRESSURE AND TEMPERATURE FOR THE CLASS RATING OF THE BODY MATERIAL USED, EVEN THOUGH THE TRIMS SHOWN MAY
HAVE HIGHER CAPABILITIES.
PRESSURE DROP, PSI
PRESSURE DROP, BAR
FLUID TEMPERATURE, F
FLUID TEMPERATURE, C
FLUID TEMPERATURE, C
PRESSURE DROP, BAR
PRESSURE DROP, PSI
FLUID TEMPERATURE, F
A6334
WITH CL600 WCC STEEL OR
WC9 CHROME MOLY VALVE
WITH CL600
CF8M (316SST) VALVE
1 1
1050
301,
317,
318
317