Data Sheet

ET Valve
D100022X012
Product Bulletin
51.1:ET
December 2012
17
Table 9. Materials and T emperature Limits for Other Parts
PART MATERIAL
TEMPERATURE CAPABILITIES
_C _F
Minimum Maximum Minimum Maximum
Body-to-bonnet
bolting. See
table 18 for
NACE bolting
materials and
temperature
limits
Cast iron body Cap screws Steel SAE Grade 5 -29 232 -20 450
WCC body
Studs Steel SA-193-B7
-29
---
(5)
-20
---
(5)
Nuts Steel SA-194-2H
LCC body
Studs Steel SA-193-B7
-46 -50
Nuts Steel SA-194-2H
CF8M
(316 stainless
steel) body
Studs
Steel SA-193-B7 (std) (NACE [non-exposed
bolting])
-48 ---
(5)
-55 ---
(5)
Nuts
Steel SA-194-2H (std) (NACE [non-exposed
bolting])
-46 ---
(5)
-50 ---
(5)
Studs S30400 stainless steel SA-320-B8
---
(5)
38 ---
(5)
100
Nuts S30400 stainless steel SA-194-8
Studs
S31600 stainless steel SA -193-B8M
(strain-hardened) or
S31600 stainless steel SA -193-B8M
---
(5)
---
(5)
---
(5)
---
(5)
Nuts S31600 stainless steel SA-194-8M
Disk PTFE -73 204 -100 400
2-piece valve plug seal (standard for
NPS 1 thru 6 valves except those with
Cavitrol III cage)
Backup ring
Fluorocarbon
(1)
-18 204 0 400
Ethylene-propylene
(2)
-40 232 -40 450
Nitrile
(3)
For use with air and
hydrocarbons
-40 71 -40 160
For use with other
compatible fluids
-40 82 -40 180
Seal ring Carbon-filled PTFE -73 232 -100 450
Spring-loaded valve plug seal
(7)
Backup
ring
(4)
S41600 stainless steel -29 ---
(5)
-20 ---
(5)
S31600 stainless steel
---
(5)
---
(5)
---
(5)
---
(5)
Retaining
ring
(4)
S30200 stainless steel (N07750, NACE Std)
Seal ring PTFE with N10276 spring -73 232 -100 450
For applications using PEEK
Anti-Extrusion Rings: Spring-loaded
valve plug seal
Backup
ring
(4)
S41600 stainless steel -29 ---
(5)
-20 ---
(5)
S31600 stainless steel
---
(5)
---
(5)
---
(5)
---
(5)
Retaining
ring
(4)
S30200 stainless steel
Seal ring PTFE/graphite with R30003spring 232 316
(6)
450 600
(6)
Anti-extru-
sion rings
PEEK (PolyEtherEtherKetone) ---
(5)
---
(5)
Valve plug stem S31600 (S20910, NACE Std.)
---
(5)
---
(5)
---
(5)
---
(5)
Load ring (NPS 8 ET valve only)
S17400 or
optional N06600 or N05500
Restricted trim adaptors
Cast iron -73 232 -100 450
WCC steel -29 ---
(5)
-20 ---
(5)
S31600 stainless steel ---
(5)
---
(5)
Seat ring, bonnet and cage gaskets
FGM (standard) ---
(5)
---
(5)
PTFE-coated N04400 ---
(5)
149 ---
(5)
300
Spiral wound gasket
N06600/graphite (FGM-standard) ---
(5)
---
(5)
N04400/PTFE -73 149 -100 300
Shim
S31600 stainless steel
---
(5)
---
(5)
---
(5)
---
(5)
N04400
Packing
(temperatures
shown are material
temperature
capabilities)
See table
11 for
proper
bonnet
selection
PTFE V-ring -40 232 -40 450
PTFE/composition -73 232 -100 450
Graphite ribbon/filament ---
(5)
---
(5)
-continued-