Data Sheet

EU Valve
D102004X012
Product Bulletin
51.1:EU
September 2014
7
Table 1. Construction Materials
PART MATERIAL
TEMPERATURE
_C _F
Valve Body and Bonnet
WCC Steel
WC9 Steel
CF8M (316 Stainless Steel)
LCC
-29 to 427
-29 to 593
-198 to 593
-46 to 343
-20 to 800
-20 to 1100
-325 to 1000
-50 to 650
Cage, Seat Ring, and Valve Plug See tables 2 and 3 See figures 6 and 7
Soft Metal Seat (with trim 233 in EUT-2andEWT-2
valves only)
CF8M See figures 6 and 7
Valve Stem S20910 SST Not a Limiting Factor
Valve-to-Bonnet
Bolting
WCC Valve
SA-193-B7 Studs
-29 to 427 -20 to 800
SA-194-2H Nuts
LCC Valve
SA-193-B7 Studs
-46 to 343 -50 to 650
SA-194-2H Nuts
WC9 Valve
SA-193-B7 Studs
-29 to 427 -20 to 800
SA-194-2H Nuts
CF8M Valve
S20910 CrCt Studs
-198 to 538 -325 to 1000
S20910 Nuts
B8M Class 2 studs
-198 to 427 -325 to 800
8M nuts
SA-193-B7 Studs
-29 to 427 -20 to 800
SA-194-2H Nuts
Seat Ring Cap Screws
S17400
N07718
-29 to 354
-198 to 593
-20 to 700
-325 to 1100
Bonnet, Seat Ring, and Cage Gaskets N06600/Graphite
Oxidizing -198 to 427 -325 to 800
Non-Oxidizing -198 to 593 -325 to 1100
EUD and EWD Piston Ring or Lower Graphite
Piston Ring (254 mm [10 inch] port only)
Graphite (Fisher
Designation FMS
17F27)
Oxidizing -198 to 427 -325 to 800
Non-Oxidizing -198 to 482 -325 to 900
Graphite (Fisher
Designation FMS
17F39)
Oxidizing -198 to 538 -325 to 1000
Non-Oxidizing -198 to 593 -325 to 1100
EUD and EWD Bore Seal N07718 -198 to 593 -325 to 1100
EUT-2andEWT-2SeatRingSealRing
andPlugSealRing
N10276/Glass and Moly-Filled PTFE -73 to 232 -100 to 450
EUT and EWT valves
with PEEK
anti-extrusion rings
Backup ring
S41000
Not a Limiting Factor Not a Limiting Factor
S31600
Retaining ring 18-8
Seal ring PTFE/graphite with N10276 spring 232 to 316 450 to 600
For applications using a
lower metal piston ring
Lower metal piston ring Iron / N07750 -73 to 427 -100 to 800
Packing (Temperatures shown are in-body
temperatures with plain bonnet.)
PTFE V-Ring -46 to 232 -50 to 450
PTFE Composition -46 to 232 -50 to 450
Graphite
Ribbon/Filament
Oxidizing -198 to 354 -325 to 700
Non-Oxidizing -198 to 538 -325 to 1000
Packing Flange, Studs, and Nuts
Steel -29 to 427 -20 to 800
S31600 (316 Stainless Steel) -198 to 593 -325 to 1100
Packing Follower, Spring (PTFE V-Ring Packing), or
Lantern Ring
S31600 Not a Limiting Factor
Packing Box Ring
S17400 -101 to 427 -150 to 800
S31600 -198 to 593 -325 to 1100