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General Description

Type EOV and EOS seals have a PTFE-FEP jacket with a minimum wall thickness of .008 inches. This is infinitely superior to a coating. Table EO-1 shows wall thickness in realtion to seal cross section. The PTFE-FEP jacket is chemically inert and resistant to most chemicals, except molten alkali metals, flourine at elevated temperatures, and certain complex halogenated compounds.
Table EO-1
O-ring cross section
(inches)
Wall thickness
(inches)
.070
.008
.103
.010
.139
.012
.210
.015
.275
.020


Table EO-2
Cross Section
I.D.
I.D.
(mm)
(inches)
(mm)
(inches)
1.6
0.063
7.64
.301
1.78
0.070
7.64
.301
2
0.078
7.64
.301
2.4
0.095
9.19
.362
2.5
0.098
9.19
.362
2.62
0.103
9.19
.362
3
0.118
12
.472
3.53
0.139
13.1
..515
4
0.158
18
.708
4.5
0.177
23.1
.911
5
0.197
23.1
.911
5.33
0.210
23.1
.911
5.7
0.224
50
1.968
6
0.236
50
1.968
6.3
0.248
50
1.968
6.99
0.275
50
1.968
7.5
0.295
50
1.968
8
0.315
50
1.968
9
0.354
101.6
4.000
9.5
0.374
127.0
5.000
10
0.394
127.0
5.000
11
0.433
127.0
5.000
12
0.472
152.4
6.000
Type EOV

Construction: Viton® fluoroelastomer core with PTFE FEP jacket.

Services: Resistant to most chemicals except molten alkali metals, fluorine at elevated temperatures and some complex halogens. Particularly suitable for oils and solvents.

Temperature: -40°C to +205°C.


Type EOS

Construction: Silicone rubber core with PTFE FEP jacket.

Services: Particularly suitable for cryogenic applications, general chemicals, and any application requiring a slightly more resilient seal.

Temperature: -73°C to +205°C.

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