<7. General Specifications>
7-55
IM 01C25W01-01EN
5. Direct Mount Flanged Diaphragm Seal (Flush type)
5.1
3-inch (80 mm) / 2-inch (50 mm) Raised face (RF)
F57E.ai
Model
Suffix Codes
Description
C20FW
...............................................................................
Direct mount flanged diaphragm seal (Flush type)
Seal
system
location
-H ...........................................................................
for high pressure side*
2
-P ...........................................................................
for Master side (High pressure side)*
3
-S ...........................................................................
for Slave side (Low pressure side)*
3
Seal fill fluid
□
.........................................................................
Refer to table 5b.
Transmitter
connection type
-S .....................................................................
for general use
--------
N ....................................................................
Always N
Capillary
inside diameter
2 .................................................................
Capillary I.D. 2.03 mm
--------
N ..............................................................
Always N
Stay style
S ............................................................
for general use
L ............................................................
for high temperature use (long type)*
4
Process connection
size*
5
-3 ........................................................
3-inch (80 mm)
-2 ........................................................
2-inch (50 mm)
Sealing face
F ......................................................
Raised face (RF)
Gasket contact surface
1 ....................................................
Serration (ANSI B16.5)
(for ANSI flange with sealing face material C and S)
2 ....................................................
Flat (no serration)
Diaphragm material*
1
S .................................................
316L SST
M .......
Monel
H .................................................
Hastelloy C-276*
9
K ........
Nickel
T .................................................
Tantalum*
11
V ........
316L SST
U .................................................
Titanium
(Thickness: 0.0055 inch (0.14 mm))
J ........
Hastelloy C-276*
9
(Thickness: 0.006 inch (0.15 mm))
Sealing face material*
1
S ..............................................
316L SST
M .......
Monel
H ..............................................
Hastelloy C-276*
9
K ........
Nickel
T ..............................................
Tantalum
Diaphragm diameter
9 ............................................
Diaphragm O.D: 3.54-inch (90 mm)
6 ............................................
Diaphragm O.D: 2.4-inch (61 mm)
Diaphragm option
A .........................................
Gold-plated diaphragm*
7
P .........................................
With platinum plate*
8
N .........................................
None
--------
N ......................................
Always N
Capillary connection
B ...................................
Always B
Flange size*
5
-3 ................................
3-inch (80 mm)
-2 ................................
2-inch (50 mm)
Flange standards
J ..............................
JIS
A ..............................
ANSI
P ..............................
JPI
D ..............................
DIN
Flange pressure rating
1 ...........................
class150
A ............
10K
H ........
PN10/16
2 ...........................
class300
B ............
20K
K ........
PN25/40
4 ...........................
class600
D ............
40K
Flange type
S .........................
for general use
Flange material
A ......................
JIS S25C
B ......................
304 SST*
6
C ......................
316 SST*
6
S ......................
316L SST*
6
Extended outside diameter
-0 ..................
None
Extended length
0 .................
None
--------
N ..............
Always N