Enclosure 6N Pressure Switches
Page 10
Part Number
The part number contains information about which configurations and options are
included in your Adjustable Pressure Switch. To determine the pressure range, electrical
rating, and options, compare the part number of your unit with the information in Figure
3 the following tables.
Figure 3. Part Number Breakdown
NOTE:
Part number format varies for specials.
Wetted Materials
Table 1
No
Description
1
Aluminum alloy port, teflon-coated polyimide (Kapton) diaphragm and nitrile O-ring
(Models 125P, 130P, 131P, 181P)
1
Aluminum alloy port and piston, Teflon seal, and nitrile O-ring (Models 225P and 231P)
4
UNS S31600 CRES port, teflon coated polyimide diaphragm and nitrile O-ring.
(Models 125P, 130P, 131P, 132P, 181P)
4
300-series CRES port and piston, Teflon seal, and nitrile O-ring (Models 231P and
232P)
5
UNS S31600 CRES port and diaphragm, heliarc welded (Models 123P and 132P).
7
Hastelloy C diaphragm, heliarc welded (Model 132P only)