O-RINGS - Wall 1.78mm
| Viton |
A
linear copolymer of vinylidene fluoride and hexafluoro-propylene;
good chemical resistance |
| Silicone |
Elastomer with high-temperature and ozone resistance |
| FETFE
|
Fluoroelastomer
with TFE additives and high chemical resistance |
| CAPFE |
A
resilient rubber core encapsulated in non-porous FEP |
 |
O-ring measurement
- Measure the i.d. and wall thickness (mm)
of the existing O-ring.
- Locate a replacement in the tables that follow.
- Ace Glass part numbers are provided for convenience.
|
Wall 1.78mm
|
I.d. (mm)
|
Viton
Catalog Number
|
Ace #
|
Silicone
Catalog Number
|
Ace #
|
|
2.9
|
|
7855-01
|
|
7855-201
|
|
3.7
|
|
7855-02
|
|
7855-202
|
|
4.5
|
|
7855-04
|
|
7855-204
|
|
5.3
|
|
7855-07
|
|
7855-207
|
|
6.1
|
|
7855-05
|
|
7855-205
|
|
7.6
|
|
7855-06
|
|
7855-206
|
|
9.2
|
|
7855-08
|
|
7855-208
|
|
10.8
|
|
7855-10
|
|
7855-210
|
|
12.4
|
|
7855-12
|
|
7855-212
|
|
13.9
|
|
7855-13
|
|
7855-213
|
|
15.6
|
|
7855-14
|
|
7855-214
|
|
18.8
|
|
7855-15
|
|
7855-215
|
|
23.5
|
|
7855-19
|
|
7855-219
|
|
25.1
|
|
7855-17
|
|
7855-217
|
|
I.d. (mm)
|
FETFE
Catalog Number
|
Ace #
|
CAPFE
Catalog Number
|
Ace #
|
|
2.9
|
|
7855-701
|
|
-
|
|
3.7
|
|
7855-702
|
-
|
-
|
|
4.5
|
|
7855-704
|
-
|
-
|
|
5.3
|
|
7855-707
|
-
|
-
|
|
6.1
|
|
7855-705
|
|
7855-805
|
|
7.6
|
|
7855-706
|
|
7855-806
|
|
9.2
|
|
7855-708
|
|
7855-808
|
|
10.8
|
|
7855-710
|
|
7855-810
|
|
12.4
|
|
7855-712
|
-
|
-
|
|
13.9
|
|
7855-713
|
|
7855-813
|
|
15.6
|
|
7855-714
|
-
|
-
|
|
18.8
|
|
7855-715
|
|
7855-815
|
|
23.5
|
|
7855-719
|
|
7855-819
|
|
25.1
|
|
7855-717
|
|
7855-817
|
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