Data Sheet

Cavitrol III Trims
D100196X012
Product Bulletin
80.2:030
March 2012
9
Table 5. Trim Material and Temperature Limit
VALVE
DESIGN
VALVE
RATING
TRIM
DESIGNATION
VALVE PLUG CAGE SEAT RING VALVE STEM
BONNET
SPACER
(6, 7)
MAXIMUM
TEMPERATURE
_C _F
ET CL600 76
Heat-treated
S42000
(420 SST)
S17400 (17-4PH SST)
with H900 heat-treat
condition
S31600
(1)
S17400 stainless
steel with H900
heat-treat
condition
S31600 stainless
steel (316 SST)
S31600 stainless
steel (316 SST)
See
figure
7
See
figure
7
EWT
CL600
and 900
76
Heat-treated
S42000
S17400 stainless steel
with H900 heat-treat
condition
S31600
(1)
S17400 stainless
steel with H900
heat-treat
condition
S31600 stainless
steel
S31600 stainless
steel
EHT CL2500
58
Heat-treated
S44004 (440C
SST)
CB7CU-1 (17-4PH SST)
with H1075 heat-treat
condition
S44004
S17400
H1150 chrome
coat
(2)
S31600 stainless
steel
None
59
S31600 with
CoCr-A seat and
guide
CB7CU-1 with H1150
heat-treat condition
CoCr-A
S17400
H1150 chrome
coat
(2)
S31600 stainless
steel
None
HPS,
HPAS,
HPT, and
HPAT
CL900
and 1500
205A
Heat-treated
S44004
S17400 stainless steel
with H1075 heat-treat
condition
S44004
S20910 stainless
steel
Same as body /
bonnet material
232
(5)
450
(5)
205B
Heat-treated
S44004
S17400 stainless steel
with H1075 heat-treat
condition
S44004
S31600 stainless
steel
Same as body /
bonnet material
206 (NACE)
(3,4)
S31600 with
CoCr-A seat and
guide
S17400 stainless steel
with double H1150
heat-treat condition
S31600/
CoCr-A
S20910 stainless
steel
Same as body /
bonnet material
1. Second material shown is cage retainer.
2. Second material shown is seat ring retainer.
3. If using valve body/trim combinations other than those listed, consult your Emerson Process Management sales office.
4. NACE MR0175-2002.
5. NPS 1 2 stage and NPS 2 3 stage HPS can be used at temperatures up to 343_C(650_F).
6. Bonnet spacer is not used with easy-e™ and EW series one-stage trims or with EH Series valves.
7. Bonnet spacer is used only with 2-stage trims in NPS 2 HPT/HPAT valves.