Back Ring S07

DESCRIPTION

Back-up rings are supporting elements with no sealing functions. They have tight fit in the housing and therefore protect installed sealing elements from extrusions into sealing gap.

The S07 back ring extends O-ring life and allows O-rings to perform in high pressure applications. It also has a high resistance to applied media, is easy to install and is available in non-standard sizes.

APPLICATION
Support element for preventing extrusion to the radial sealing gap. All applications over wide temperature range from -70 ˚C to +260 ˚C (valid for PTFE material).

MATERIAL

Standard material
Material base Compound Hardness
Shore D		 Elongation
at Break, %		 Material code
PTFE Polythetrafluoroethylene Virgin 58 370 T1001
Bronze filled 60 170 T1014
Carbon fiber filled 61 210 T1030

Alternate materials
For applications that may require alternative materials or for
verification current availability of tools and part numbers, contact us.

OPERATING CONDITIONS

Pressure
Working pressure for material T1001 Up to 21 Mpa
Working pressure for material T1014 Up to 35 Mpa
Working pressure for material T1030 Up to 55 Mpa

DESIGN RECOMMENDATION

Groove dimension, Radial Installation, mm
O-Ring, d2 S L1 R1
1,60 1.20 + 0.05 3.5 + 0.25 0,3
1,78 1.40 + 0.05 3.8 + 0.25 0,3
2,00 1.60 + 0.05 4 + 0.25 0,3
2,40 1.90 + 0.05 4.7 + 0.25 0,3
2,62 2.10 + 0.05 5 + 0.25 0,3
3,00 2.40 + 0.05 5.4 + 0.25 0,4
3,53 2.80 + 0.05 6.2 + 0.25 0,4
5,33 4.30 + 0.05 9 + 0.25 0,6
5,70 4.60 + 0.05 9.6 + 0.25 0,6
6,99 5.80 + 0.05 12.3 +0.25 0,6

External

ØD
Ød
H
L1
Material
Filters Sort results
Reset Apply
Ød
ØD
H
L1 +0.25
S +0.05
O-Ring Ø d2
Type
Material
Order code
22.2
25
1.4
3.8
1.4
1.78
C
T1001
S07-353151
21.8
25
1.4
4.0
1.6
2.00
C
T1001
S07-353152
21.8
25
1.4
4.7
1.9
2.40
C
T1001
S07-353153
20.8
25
1.4
5.0
2.1
2.62
C
T1001
S07-353154
20.2
25
1.4
5.4
2.4
3.00
C
T1001
S07-353155
19.4
25
1.4
6.2
2.8
3.53
C
T1001
S07-353156
25.6
28
1.4
3.5
1.2
1.60
C
T1001
S07-353157
24.8
28
1.4
4.0
1.6
2.00
C
T1001
S07-353158
24.2
28
1.4
4.7
1.9
2.40
C
T1001
S07-353159
23.8
28
1.4
5.0
2.1
2.62
C
T1001
S07-353160
23.2
28
1.4
5.4
2.4
3.00
C
T1001
S07-353161
22.4
28
1.4
6.2
2.8
3.53
C
T1001
S07-353162
27.2
30
1.4
3.8
1.4
1.78
C
T1001
S07-353163
26.8
30
1.4
4.0
1.6
2.00
C
T1001
S07-353164
26.2
30
1.4
4.7
1.9
2.40
C
T1001
S07-353165
25.8
30
1.4
5.0
2.1
2.62
C
T1001
S07-353166
25.2
30
1.4
5.4
2.4
3.00
C
T1001
S07-353167
24.4
30
1.4
6.2
2.8
3.53
C
T1001
S07-353168
29.2
32
1.4
3.8
1.4
1.78
C
T1001
S07-353169
28.8
32
1.4
4.0
1.6
2.00
C
T1001
S07-353170
28.2
32
1.4
4.7
1.9
2.40
C
T1001
S07-353171
27.8
32
1.4
5.0
2.1
2.62
C
T1001
S07-353172
27.2
32
1.4
5.4
2.4
3.00
C
T1001
S07-353173
26.4
32
1.4
6.2
2.8
3.53
C
T1001
S07-353174
32.2
35
1.4
3.8
1.4
1.78
C
T1001
S07-353175
31.8
35
1.4
4.0
1.6
2.00
C
T1001
S07-353176
31.2
35
1.4
4.7
1.9
2.40
C
T1001
S07-353177
30.8
35
1.4
5.0
2.1
2.62
C
T1001
S07-353178
30.2
35
1.4
5.4
2.4
3.00
C
T1001
S07-353179
29.4
35
1.4
6.2
2.8
3.53
C
T1001
S07-353180
32.8
36
1.4
4.0
1.6
2.00
C
T1001
S07-353181
32.2
36
1.4
4.7
1.9
2.40
C
T1001
S07-353182
31.8
36
1.4
5.0
2.1
2.62
C
T1001
S07-353183
31.2
36
1.4
5.4
2.4
3.00
C
T1001
S07-353184
30.4
36
1.4
6.2
2.8
3.53
C
T1001
S07-353185
36.8
40
1.4
4.0
1.6
2.00
C
T1001
S07-353186
36.2
40
1.4
4.7
1.9
2.40
C
T1001
S07-353187
35.8
40
1.4
5.0
2.1
2.62
C
T1001
S07-353188
35.2
40
1.4
5.4
2.4
3.00
C
T1001
S07-353189
34.4
40
1.4
6.2
2.8
3.53
C
T1001
S07-353190
38.8
42
1.4
4.0
1.6
2.00
C
T1001
S07-353191
37.8
42
1.4
5.0
2.1
2.62
C
T1001
S07-353192
37.2
42
1.4
5.4
2.4
3.00
C
T1001
S07-353193
36.4
42
1.4
6.2
2.8
3.53
C
T1001
S07-353194
41.2
45
1.4
4.7
1.9
2.40
C
T1001
S07-353195
40.8
45
1.4
5.0
2.1
2.62
C
T1001
S07-353196
40.2
45
1.4
5.4
2.4
3.00
C
T1001
S07-353197
39.4
45
1.4
6.2
2.8
3.53
C
T1001
S07-353198
46.2
50
1.4
4.7
1.9
2.40
C
T1001
S07-353199
45.8
50
1.4
5.0
2.1
2.62
C
T1001
S07-353200
1…3456

Internal

Ød
ØD
H
L1
Material
Filters Sort results
Reset Apply
Ød
ØD
H
L1 +0.25
S +0.05
O-Ring Ø d2
Type
Material
Order code
23.2
20
1.4
4.0
1.6
2.00
C
T1001
S07-354393
23.8
20
1.4
4.7
1.9
2.40
C
T1001
S07-354394
24.8
20
1.4
5.4
2.4
3.00
C
T1001
S07-354395
24.4
22
1.4
3.5
1.2
1.60
C
T1001
S07-354396
24.8
22
1.4
3.8
1.4
1.78
C
T1001
S07-354397
25.2
22
1.4
4.0
1.6
2.00
C
T1001
S07-354398
25.8
22
1.4
4.7
1.9
2.40
C
T1001
S07-354399
26.2
22
1.4
5.0
2.1
2.62
C
T1001
S07-354400
26.8
22
1.4
5.4
2.4
3.00
C
T1001
S07-354401
27.4
25
1.4
3.5
1.2
1.60
C
T1001
S07-354402
27.8
25
1.4
3.8
1.4
1.78
C
T1001
S07-354403
28.2
25
1.4
4.0
1.6
2.00
C
T1001
S07-354404
28.8
25
1.4
4.7
1.9
2.40
C
T1001
S07-354405
29.2
25
1.4
5.0
2.1
2.62
C
T1001
S07-354406
29.8
25
1.4
5.4
2.4
3.00
C
T1001
S07-354407
30.8
28
1.4
3.8
1.4
1.78
C
T1001
S07-354408
31.2
28
1.4
4.0
1.6
2.00
C
T1001
S07-354409
31.8
28
1.4
4.7
1.9
2.40
C
T1001
S07-354410
32.2
28
1.4
5.0
2.1
2.62
C
T1001
S07-354411
32.8
28
1.4
5.4
2.4
3.00
C
T1001
S07-354412
32.4
30
1.4
3.5
1.2
1.60
C
T1001
S07-354413
32.8
30
1.4
3.8
1.4
1.78
C
T1001
S07-354414
33.2
30
1.4
4.0
1.6
2.00
C
T1001
S07-354415
33.8
30
1.4
4.7
1.9
2.40
C
T1001
S07-354416
34.2
30
1.4
5.0
2.1
2.62
C
T1001
S07-354417
34.8
30
1.4
5.4
2.4
3.00
C
T1001
S07-354418
35.6
30
1.4
6.2
2.8
3.53
C
T1001
S07-354419
35.2
32
1.4
4.0
1.6
2.00
C
T1001
S07-354420
35.8
32
1.4
4.7
1.9
2.40
C
T1001
S07-354421
36.2
32
1.4
5.0
2.1
2.62
C
T1001
S07-354422
36.8
32
1.4
5.4
2.4
3.00
C
T1001
S07-354423
37.6
32
1.4
6.2
2.8
3.53
C
T1001
S07-354424
37.8
35
1.4
3.8
1.4
1.78
C
T1001
S07-354425
38.2
35
1.4
4.0
1.6
2.00
C
T1001
S07-354426
38.8
35
1.4
4.7
1.9
2.40
C
T1001
S07-354427
39.2
35
1.4
5.0
2.1
2.62
C
T1001
S07-354428
39.8
35
1.4
5.4
2.4
3.00
C
T1001
S07-354429
40.6
35
1.4
6.2
2.8
3.53
C
T1001
S07-354430
39.2
36
1.4
4.0
1.6
2.00
C
T1001
S07-354431
40.2
36
1.4
5.0
2.1
2.62
C
T1001
S07-354432
40.8
36
1.4
5.4
2.4
3.00
C
T1001
S07-354433
41.6
36
1.4
6.2
2.8
3.53
C
T1001
S07-354434
43.2
40
1.4
4.0
1.6
2.00
C
T1001
S07-354435
43.8
40
1.4
4.7
1.9
2.40
C
T1001
S07-354436
44.8
40
1.4
5.4
2.4
3.00
C
T1001
S07-354437
45.6
40
1.4
6.2
2.8
3.53
C
T1001
S07-354438
45.2
42
1.4
4.0
1.6
2.00
C
T1001
S07-354439
46.2
42
1.4
5.0
2.1
2.62
C
T1001
S07-354440
46.8
42
1.4
5.4
2.4
3.00
C
T1001
S07-354441
47.6
42
1.4
6.2
2.8
3.53
C
T1001
S07-354442
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