Data Sheet

Large ET and ED Valves
D103554X012
Product Bulletin
51.1:ET/ED (Large)
March 2015
8
Table 4. Construction Materials (CD3MN and CD3MWCuN Valves)
PART MATERIAL
TEMPERATURE
_C _F
Valve Body and Bonnet
CD3MN Duplex Stainless Steel
CD3MWCuN Super-Duplex Stainless Steel
-51 to 316
-51 to 316
-60 to 600
-60 to 600
Valve St em S32760 Not a Limiting Factor
Valve Body-to-Bonnet Bolting
SA-193-B7 Studs, SA-194-2H Nuts -46 to 427 -50 to 800
S32760 Studs and Nuts Not a Limiting Factor
SA-193-B7/Zinc HDG Studs,
SA-194-2H/Zinc HDG Nuts
-46 to 200 -50 to 400
Seat R ing Cap Screws N07718 Not a Limiting Factor
Bonnet, Seat Ring, and Cage Gaskets N06600/Graphite
Oxidizing
Not a Limiting Factor
Non-Oxidizing
ED Piston Ring or Lower Graphite Piston Ring
(254 mm [10 inch] port only)
Graphite (Fisher
Designation FMS 17F27)
Oxidizing
Not a Limiting Factor
Non-Oxidizing
Graphite (Fisher
Designation FMS 17F39)
Oxidizing
Not a Limiting Factor
Non-Oxidizing
ET Seat Ring Seal Ring and Plug Seal Ring Glass and Moly-Filled PTFE with N10276 spring -73 to 232 -100 to 450
ET HTS1 Seal
Anti-extrusion Ring PEEK (poly ether ether ketone)
Not a Limiting Factor Not a Limiting FactorBackup Ring
S41000
S31600
Retaining Ring 18-8
Seat Ring Seal Ring
Plug Seal Ring
PTFE/graphite with R30003 spring 232 to 316 450 to 600
Packing (Temperatures shown are in-body
temperatures with Style 1 extension bonnet.)
PTFE V-Ring -46 to 232 -50 to 450
PTFE Composition -46 to 232 -50 to 450
Graphite
Ribbon/Filament
Oxidizing
Not a Limiting Factor
Non-Oxidizing
Packing Flange, Studs, and Nuts S31600 Not a Limiting Factor
Packing Follower,
Lantern Ring, and Box
Ring
CD3MN Valve S31803 Not a Limiting Factor
CD3MWCuN Valve S32760 Not a Limiting Factor