Data Sheet
ES Valve
D100021X012
Product Bulletin
51.1:ES
December 2012
12
Table 9. Materials and Temperature Limits for All Other Parts
PART MATERIAL
MATERIAL TEMPERATURE CAPABILITIES
_C _F
Minimum Maximum Minimum Maximum
Body-to-bonnet
bolting. See
table 11
for NACE
bolting
materials
and
temperatures
Cast iron body Cap screws Steel SAE Grade 5 -29 232 -20 450
WCC or WC9
body
Studs Steel SA-193-B7
-29 427
(1)
-20 800
(1)
Nuts Steel SA-194-2H
CF8M body
Studs Steel SA-193-B7 (std)
-48 427
(1)
-55 800
(1)
Nuts Steel SA-194-2H (std)
Studs 304 stainless steel SA-320-B8
-198 38 -325 100
Nuts 304 stainless steel SA-194-8
Studs
316 stainless steel SA-193-B8M
(strain-hardened)
-198
(2)
427
(1)
-325
(2)
800
(1)
Nuts 316 stainless steel SA-194-8M
Studs
316 stainless steel SA-194-B8M
(annealed)
-198
(2)
These
materials
not limiting
factors
-325
(2)
These
materials
not limiting
factors
Nuts 316 stainless steel SA-194-8M
LCC body
Studs Steel SA-193-B7
-46 343
(1)
-50 650
(1)
Nuts Steel SA-194-2H
WC9 body
Studs Steel SA-193-B16
-29 566
(1)
-20 1050
(1)
Nuts Steel SA-194-7
Optional disk PTFE -73 204 -100 400
Valve plug stem 316 stainless steel
-198
(2)
593 -325
(2)
1100
Pin (ES or EAS valve only) 316 stainless steel
Load ring (NPS 8 ES valve only)
17-4PH stainless steel -101 316 -150 600
N06600 -254 593 -425 1100
N05500 Nickel Alloy -240 260 -400 500
Restricted trim adaptors
Cast iron -73 232 -100 450
WCC steel -29 427 -20 800
316 stainless steel -198
(2)
593 -325
(2)
1100
Seat ring, bonnet, and cage gaskets
Flexible Graphite (standard) -198 593
(3)
-325 1100
(3)
PTFE-coated N04400 Nickel Alloy -73 149 -100 300
Spiral wound gaskets
N06600 Nickel Alloy 600/graphite
(Flexible Graphite) standard
-198 593
(3)
-325 1100
(3)
N04400 Nickel Alloy/composition -73 232 -100 450
Shim
316 stainless steel These materials not limiting factors
N04400 Nickel Alloy These materials not limiting factors
Packing
(temperatures
shown are
material
temperature
capabilities)
See table 7
for proper
bonnet
selection
PTFE V-ring -40 232 -40 450
PTFE/composition -73 232 -100 450
Graphite ribbon/filament -198 538
(4)
-325 1000
(4)
Graphite ribbon for
high-temperature oxidizing service
371 649 700 1200
Packing flange studs, and nuts when used with
standard bonnet
316 stainless steel -198
(2)
593 -325
(2)
1100
Packing follower and packing spring (single PTFE
V-ring packing) or lantern ring (other packing
arrangements)
316 stainless steel -198
(2)
593 -325
(2)
1100
Packing box ring 316 stainless steel -198
(2)
593 -325
(2)
1100
Extension
bonnet bushing
Trims 1 & 4 416 stainless steel -29 427 -20 800
Other trims 316 stainless steel -198
(2)
593 -325
(2)
1100
1. Lubricated nuts are standard.
2. May be used down to -254_C (-425_F) if manufacturing process includes Charpy impact test.
3. Except 427_C (800_F) on oxidizing s ervice.
4. Except 371_C (700_F) on oxidizing s ervice.










