Data Sheet

EH and EHA Valves
D100042X012
Product Bulletin
51.2:EH
April 2015
21
Table 11. Trim Material Combinations (NPS 8 through 14 Fisher EHD and EHT)
TRIM
DESIGNATION
VALVE PLUG
VALVE PLUG
STEM
CAGE SEAT RING
SEAT RING CAP
SCREWS
VALVE BODY
MATERIAL
(5)
OPERATING
TEMPERATURE RANGE
_C _F
EHD and EHT Valve with Standard Cage
75
S42000
(420 SST)
S20910 CA6NM
S17400
H1075 heat-treated
S17400 WCC, WC9 -29 to 427 -20 to 800
77
S31600
with CoCr-A (alloy 6)
seat and guide
S20910
S31600
chrome coat
S31600
with CoCr-A seat
S66286
(660 SST)
CF8M -198 to 593 -325 to 1100
79
S31600 with CoCr-A
seat and guide
S20910
CA6NM
chrome coat
N06600
with CoCr-A seat
N07718
WCC -29 to 427 -20 to 800
WC9 -29 to 566 -20 to 1050
EHD and EHT Valve with Standard Cage for Sour Service
82
(1)
S31600 with CoCr-A
seat and guide
S20910
S31600
ENC
N06600
with CoCr-A seat
N07718
WCC, WC9 -29 to 204 -20 to 400
CF8M -198 to 343 -325 to 650
All Valves with Whisper Trim III Cages
95
(3)
F22 with CoCr-A
seat and guide
S41000
heat treated
(2)
WC9/
nitrided
F22
with CoCr-A seat
N07718
WCC 315 to 427 600 to 800
WC9 315 to 593 600 to 1100
96
S17400 with CoCr-A
seat and guide
S17400
H1150D
CB7CU-1
H1075
S17400
with CoCr-A seat
S17400 WCC, WC9 -29 to 427 -20 to 800
All Valves with Whisper Trim III Cages for Sour Service
(4)
97
S17400 with CoCr-A
seat and guide
S17400
H1150D dbl
S17400
H1150D ENC
S17400
with CoCr-A seat
S17400 WCC -29 to 343 -20 to 650
1. Limit to 149_C (300_F) when using N04400 gasket material.
2. S41000 is limited to 538_C (1000_F). For temperatures greater than 538_C (1000_F), an S42200 stem is used.
3. This trim is for use in EHD constructions only.
4. Trim 97 complies with NACE MR0175/2002 and is not NACE MR0175/ISO15156 or NACE MR0103 compliant.
5. If using valve body/trim combinations other than those listed, consult your Emerson Process Management sales office.
.