Dimensions of the Installation space for O-rings

     
     
 
Cross Section
C (mm)
Groove Depth t(mm)
t±0,05
Without back-up ring (mm)
b+0,25
One back-up ring (mm)
b1+ 0,25
Two back-up ring (mm)
b2+ 0,25
Recommended
back-up ring
Width (mm)
1, 50
1, 78
2, 00
1, 10
1, 35
1, 56
2, 1
2, 5
2, 7
3, 1
3, 5
4, 2
4, 1
4, 5
5, 7
1, 0
1, 0
1, 5
2, 50
2, 62
3, 00
2, 05
2, 18
2, 52
3, 3
3, 5
3, 9
4, 8
5, 0
5, 4
6, 3
6, 5
6, 9
1, 5
1, 5
1, 5
3, 50
3, 53
4, 00
3, 00
3, 00
3, 40
4, 4
4, 4
5, 0
5, 9
5, 9
6, 7
7, 4
7, 4
8, 4
1, 5
1, 5
1, 7
5, 00
5, 33
5, 70
4, 25
4, 53
4, 85
6, 3
6, 7
7, 1
8, 0
8, 4
9, 1
9, 7
10, 1
11, 1
1, 7
1, 7
2, 0
6, 00
6, 99
7, 00
5, 10
5, 94
5, 95
7, 5
8, 8
8, 8
9, 5
10, 8
10, 8
11, 5
12, 8
12, 8
2, 0
2, 0
2, 0
8, 00
10,00
6, 80
8, 50
10, 0
12, 5
12, 5
15, 0
15, 0
17, 5
2, 5
2,5