Data Sheet

EH and EHA Valves
D100042X012
Product Bulletin
51.2:EH
April 2015
23
Table 12. Construction Materials and Temperature Capabilities for Parts Other than Body and Trim
(NPS 1-1/2 x 1 through 6 Globe Valves) (continued)
PART MATERIAL
TEMPERATURE CAPABILITIES
Degrees Celsius Degrees Fahrenheit
Packing follower, spring, or
lantern ring
S31600 -254 to 593 -425 to 1100
Packing box ring S31600 -254 to 593 -425 to 1100
Packing flange, studs, or nuts
Steel -29 to 427 -20 to 800
S31600 -29 to 593 -20 to 1100
1. Complies with NACE MR0175-2002, NACE MR0175-2003, NACE MR0103, and NACE MR0175/ISO 15156.
2. Valve body materials with which these bolting materials may be used are shown in parentheses.
3. Class 1 (annealed).
4. Class 2 (strain hardened).
5. For use with all O-ring seat ring constructions without Cavitrol III trim.
6. For use with all O-ring seat ring constructions with Cavitrol III trim.
7. If used with PEEK anti-extrusion rings, PTFE/carbon seal ring may be used up to 316_C (600_F) for non-oxidizing service or up to 260_C (500_F) for oxidizing service.
8. Temperature range per DS52 Group 2.
Table 13. Construction Materials and Temperature Capabilities for Parts Other than Body and Trim
(NPS 8 through 14 Fisher EHD and EHT)
PART MATERIAL
TEMPERATURE CAPABILITIES
_C _F
Standard gasket
construction
Cage gasket
Silver-plated N04400 -254 to 593 -425 to 1100
S31600/Graphite
(1)
-254 to 427 (to 593 for
nonoxidizing service)
-425 to 800 (to 1100 for
nonoxidizing service)
Metal seat ring gasket Graphite filled spiral wound N06600 -254 to 593 -425 to 1100
O-ring seat ring gasket
Nitrile -29 to 107 -20 to 225
Ethylene-propylene -40 to 232 -40 to 450
Fluorocarbon -23 to 204 -10 to 400
Sour service gasket
construction
Cage gasket
Tin-plated N04400 -29 to 149 -20 to 300
S31600/Graphite
(1)
-254 to 427 (to 593 for
nonoxidizing service)
-425 to 800 (to 1100 for
nonoxidizing service)
O-ring seat ring gasket
Nitrile -29 to 107 -20 to 225
Fluorocarbon -23 to 149 -10 to 300
EHD piston ring
Graphite (FMS 17F27)
-46 to 427
(to 482 for nonoxidizing
service
-50 to 800
(to 900 for nonoxidizing
service)
Graphite (FMS 17F39)
-46 to 537
(to 593 for nonoxidizing
service)
-50 to 1000
(to 1100 for
nonoxidizing service)
EHD Bore Seal N07718 -198 to 593 -325 to 1100
EHT seal ring PTFE with N10276 Spring -73 to 232 -100 to 450
EHT seal ring retaining ring S30200 (302 stainless steel) -254 to 593 -425 to 1100
Spring-loaded EHT valve
plug seal
Backup ring S41600 (416 SST) -29 to 427 -20 to 800
Retaining ring S30200 (302 SST) -254 to 593 -425 to 1100
Seal ring R30003 (with glass and moly-filled PTFE) -73 to 232
(3)
-100 to 450
(3)
Anti-extrusion rings PEEK (PolyEtherEtherKetone) -73 to 316 -100 to 600
Packing
PTFE V-ring -46 to 232 -50 to 450
PTFE/composition -73 to 232 -100 to 450
Graphite ribbon filament
-18 to 371 (to 537 for
nonoxidizing service)
0 to 700 (to 1000 for
nonoxidizing service)
Graphite Ribbon
(high temperature oxidizing service)
371 to 649 700 to 1200
HIGH-SEAL (see Bulletin 59.1:061, HIGH-SEAL Packing Systems for Sliding-Stem Valves for information)
Packing follower, spring, or lantern ring S31600 (316 stainless steel) -254 to 593 -425 to 1100
Packing box ring
S17400 -101 to 427 -150 to 800
S31600 -254 to 593 -425 to 1100
-continued-