The UNS has a wide cross section and is a symmetrical u-shaped sealing ring with the same height of the inner and outer lips.It is easy to fit into a monolithic structure.Due to the wide cross-section, UNS type is generally used in hydraulic cylinder with low pressure.

Max pressure: ≤40MPA

Temp range: -35~+100℃

Max Speed: ≤0.5m/s

Size Chart

4104
4124
4126
5118
5125
5126
5127
5128
5146
5148
5156
5.8125.2
6124
6126
6127
6146
6156
6158
6188
6.316.38
7124
7125
7126
7144
7146
7.117.18
8133
8146
8148
8155
8156
8158
8166
8168
8188
81810
82010
82210
9196
9198
9.5142.5
10164
10164.5
10165
10165.5
10166
10185
10185.5
10186
10188
10197
10206
10208
10226
10228
10258
11175
11.219.26
11.221.28
12164
12165
12166
12174
12184
12185
12186
12188
12193.5
12195
12205
12206
12208
12225
12225.5
12227
12228
12246
12248
12258
12.522.58
13185
13193.5
14205
14206
14208
14224
14224.5
14225
14226
14227
14228
14248
14288
15225
15226
15228
15235.7
152310
15255
15256
15258
15276
152810
15305.5
15308
153010
16224
16225
16226
16227
16228
16244
16245
16246
16248
162410
16255
16265
16266
16268
162610
16286
16288
16306
172510
17275
17277
17278
173210
18244
18245
18248
18255.5
18256
18265
18266
18268
182610
1826.58
18286
18288
18289
182810
18306
18308
18309
18327
18328
18348
19245
19256
19257
19265
19266.7
19275
19276
19277.5
19285
19287
19328
19348
19.0525.46.35
20254
20258
20263.5
20266
20267
20275
20276
20286
20287
20288
20306
20308
203010
20325
20326
20328
203210
203310
20356
20357
203510
20368
20386
204010
204012
20478
2129.55.5
2126.66
21.73010
22284
22284.5
22285
22286
22288
22305
22305.8
22306
22308
22315.5
22325
22326
22327
22328
22329
223210
223410
22356
223510
22367
22369
224010
224012
22.432.48
22.531.55
23305
23355.6
23356
23356.6
23367
23.533.58
24306
24324
24325
24327
24366.5
24367
24408
244010
25326
25327
25328
2532.76.35
25335.5
25336
25337
25338
253310
25355
25356
25357
25358
253510
25366
25367
25376
25379
25386
284310.2
304510.2
31.546.510.2
355010.2
35.550.510.2
405510.2
456010.2
486310.2
506510.2
537312
557512
567612
608012
638312
658512
678712
709012
719112
759512
8010012
8510512
9011012
9511512
10012012
10512516
10612616
11013016
11213216
11813816
12014016
12514516
13015016
14016016
15017016

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