Data Sheet
EW Valve
D100023X012
Product Bulletin
51.1:EW
August 2012
22
Figure 16. Typical Trim Used in Fisher EWD-1 Valves with Whisper Trim III Cages (see table 19)
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.
MAY BE U SED DOWN TO -101C (-150F) WITH LEVEL A, B, OR C CAGE, OR WITH LEVEL D CAGE THAT H AS AN 18-8 SST BAFFLE.
2
PRESSURE DROP, PSI
PRESSURE DROP, BAR
FLUID TEMPERATURE, F
FLUID TEMPERATURE, C
PRESSURE DROP, PSI
PRESSURE DROP, BAR
FLUID TEMPERATURE, F
FLUID TEMPERATU RE, C
WITH STEEL OR CHROME MOLY STEEL VALVE
WITH CF8M (316 SST) VALVE
11
B1484-1
I, II
IV
Table 19. Fisher EWD-1andEWT-1 Metal Trim Part Combinations for Valves with Whisper Trim III Cages
Trim Designation Valve Plug Cage Seat Ring
I Heat-treated CA6NM
(1)
CB7CU-1(17-4PH SST) with
H1025 heat-treat condition
Heat-treated CA6NM
II
S31600 (316 SST) with seat and
guide hard faced with CoCr-A
CB7CU-1 w ith H1025
heat-treat condition
N06600 with seat
hard faced with CoCr-A
IV
CF8M (316 SST) with seat and
guide hard faced with
CoCr-A
CB7CU-1 w ith H0125
heat-treat condition
CF8M with seat
hard faced with CoCr-A
1. CA6NM is similar to 410 SST.