Data Sheet

EW Valve
D100023X012
Product Bulletin
51.1:EW
August 2012
17
Figure 9. Typical Trim Used in Fisher EWD, EWS, and EWT NPS 8x6 CL900 Valves with Standard Cages and EWD-1,
EWS-1, and EWT-1 NPS 12x8 CL900 Va lves with Standard Cages (see table 14)
NOTE:
DONOTEXCEEDTHEMAXIMUMPRESSUREANDTEMPERATUREFORTHECLASSRATINGOFTHEBODYMATERIALUSED,EVENTHOUGHTHE
TRIMS SHOWN MAY HAVE HIGHER CAPABILITIES.
PRESSURE DROP, PSI
PRESSURE DROP, BAR
FLUID TEMPERATURE, F
FLUID TEMPERATURE, C FLUID TEMPERATURE, C
PRESSURE DROP, PSI
PRESSURE DROP, BAR
FLUID TEMPERAT URE, F
A6334-1
WITH WCC STEEL BODY
WITH WC9 CHROME MOLY STEEL BODY
1
1
1
Figure 10. Typical Trim Used in NPS 8x6 CL900 Fisher
EWD, EWS, EWT and NPS 12x8 CL900 EWD-1,
EWS-1, and EWT-1 Valves with Standard Cages (see
table 14)
NOTE:
DO NOT EXCEED THE MAXIMUM PRESSURE AND TEMPERATURE
FOR THE CLASS RATING OF THEBODY MATERIALUSED,EVEN THOUGHTHE
TRIMS SHOWN MAY HAVE HIGHER CAPABILITIES.
1
FLUID TEMPERATURE, C
PRESSURE DROP, PSI
PRESSURE DROP, BAR
FLUID TEMPERATURE, F
WITH CF8M (316 SST) BODY
A6334-1
1
Table 14. NPS 8x6 CL900 Fisher EWD, EWS, EWT
and NPS 12x8 CL900 EWD-1, EWS-1, and EWT-1
Metal Trim Part Combinations Except for Valves with
Whisper Trim III Cages
Trim
Designation
Valve Plug Cage Seat Ring
1
S41600
(416 SST)
heat
treated
CB7CU-1
(17-4PH SST)
with H900
heat-treat
condition
Heat-treated
CA6NM
(1)
27
316 SST with
seat and guide
hard-faced
with CoCr-A
316 SST with
electroless
nickel coating
(ENC)
316 SST with
seat
hard-faced
with CoCr-A
37 and 37H
(2)
S31600 with
seat and guide
hard-faced
with CoCr-A
CB7CU-1with
H900
heat-treat
condition
S31600 with
seat
hard-faced
with CoCr-A
1. CA6NM is similar to 410 SST.
2. Trim 37H has clearances for high-temperature service.