User Guide

easy-e Valves
Product Flier
PF51.1:E
July 2008
9
Valve Plug, Seat Ring, and Cage (Trim) Materials
VALVE TYPE BODY MATERIAL SEAT TYPE
MATERIALS
FISHER TRIM
NUMBER
(2)
NOTES
Valve Plug Seat Ring Cage
ED, ES, EWD,
EWS through
DN 300 x 200
(1)
(NPS 12 x 8
sizes)
Standard for all body
materials except
CF8M (316 stainless
steel)
Metal
S41600 (416
stainless
steel)
hardened to
38 HRC
Depending on size,
S41600 or CA15 (410
stainless steel) both
hardened to 38 HRC
S17400
(17-4PH
stainless
steel)
hardened to
40 HRC
1
Trims with
alloy 6
hardfacing
also are
available. For
optional ES,
EWS soft
seat, use trim
29 or 57
CF8M Metal
S31600 (316
stainless
steel)
S31600
S31600 with
electroless
nickel coating
(ENC)
29
ET, EWT
through DN
300 x 200
(NPS 12 x 8)
Standard for all body
materials except
CF8M (316 stainless
steel)
Soft
S41600 (416
stainless
steel)
hardened to
38 HRC
S31600
S17400
(17-4PH
stainless
steel)
hardened to
40 HRC
57
Trims with
alloy 6
hardfacing
also are
available. For
optional metal
seats, use
trim1 or 29
CF8M Soft S31600 S31600
S31600 or
CF8M with
electroless
nickel coating
(ENC)
29
EZ
Cast iron and steel Metal
S41600
hardened
S41600 hardened
seat ring with
CB7Cu-1 (17-4PH
stainless steel) seat
ring retainer
- - - 101
Trims with
alloy 6
hardfacing
also are
available.
CF8M Metal S31600
S31600 with CF8M
seat ring retainer
- - - 129 - - -
1. End connection size x nominal trim size.
2. Refer to the following pages for pressure and temperature limits of the trim.
Bonnets
Bonnet Style Valve Type or Size Packing Material
In-Body Process
Temperature Range, _C
Notes
Plain All types and sizes
PTFE V-Ring -18 to 232
These in-body process
temperatures assume an
ambient temperature of
21_C. When using any
packing at low process
temperatures, an extension
bonnet might be needed to
prevent valve stem frost.
Frost can damage the
packing.
PTFE/composition -18 to 232
Graphite ribbon/filament
18 to maximum limit
shown in other tables
Style 1 extension
Globe and angle only; not
available for EUD, EUT or
16 x 12 or larger
EW
PTFE V-ring
46 to 18 and above 232
PTFE/Composition
Graphite ribbon/filament
Style 2 extension
Globe and angle only; not
available for EUD, EUT,
EWN, or 16 x 12 or larger
EW
PTFE V-ring
101 to 18 and above 232
PTFE/Composition
Graphite ribbon/filament
ENVIRO-SEAL bellows seal
bonnet
Available only on globe and
angle valves through DN
100 and DN 200 x 100
(NPS 4 and 8 x 4)
For exceptional stem
sealing capabilities with
PTFE or graphite standard
packing or with
ENVIRO-SEAL packing
system
Contact your nearest sales
office