Enclosure 6N Pressure Switches
Page 11
Wetted Material 8 for Model 122P
“Wetted Material 8” allows various material combinations. The part number of this
Model contains a series of 3 numbers following the miscellaneous options; these numbers
define the individual wetted materials:
Example: 122P82C6MN443
1
st
Number (4) is Pressure Port Material:
4
UNS 31600 CRES
8
Monel
5
UNS 31600 CRES
*
9
Monel
***
7
Hastelloy C
**
2
nd
Number (4) is Diaphragm Material:
1
Polyimide (Kapton)
7
Hastelloy C
4
UNS 31600 CRES
9
Inconel
6
Tantalum
3
rd
Number (3) is O-ring Material:
0
Welded
None Required
5
EPR
2
Kalrez
8
Nitrile
3
Viton
*
For welded 316 CRES diaphragm, add 40
**
For welded Hastelloy diaphragm, add 70
***
For welded Inconel diaphragm, add 90
Pressure Ratings - Model 130P
All Ranges (1 through 7):
Maximum Operating Pressure 600 psig (41.37 bar)
Proof Pressure 1000 psig (68.95 bar)
Pressure Ratings - Model 131P
All Ranges (2 through 6):
Maximum Operating Pressure 1000 psig (68.95 bar)
Proof Pressure 2000 psig (137.9 bar)