Description
O-rings are circular sealing elements with circular cross-sections, may be used in static applications or in dynamic applications where there is relative motion between the parts and the O-ring. O-ring selection is based on chemical compatibility, application temperature, sealing pressure, lubrication requirements, durometer, size and cost. We offer you a range of elastomeric materials for both standard and special applications which allow the O-Ring to seal practically all liquid and gaseous media.
Technical data
Temperature:-60°C / +200°C
Medias: The majority of liquid,
gaseous or chemical product fluids depending on the type of material selected.
Refer to our fluids-materials compatibility guide.
Advantages
Compact design
Easy assembly
Economic solution
Symmetry that reduces the risks of an assembly error
Applications
O-Rings are used in a variety of fields: they are either used as sealing elements or as energizing elements for hydraulic slipper seals and wipers. Thus, the O-Ring is basically used in every field of industry including aerospace, automotive or general engineering. Today, O-rings are one of the most common seals used in machine design because they are inexpensive, easy to make, and reliable and have simple mounting.
Materials
Morgan O-rings Material Includes Nitrile rubber, fluorine rubber, ethylene propylene rubber, neoprene, chloroprene rubber, silicone rubber and so on.

d1 | d2 |
Internal Diameter | Limit deviation | 1.80±0.08 | 2.65±0.09 | 3.55±0.10 | 5.30±0.13 | 7.00±0.15 |
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1.8 | ±0.13 | * |
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2 | * |
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2.24 | * |
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2.5 | * |
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2.8 | * |
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3.15 | * |
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3.55 | * |
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3.75 | * |
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4 | * |
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4.5 | * |
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4.87 | * |
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5 | * |
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5.15 | * |
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5.3 | * |
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5.6 | * |
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6 | * |
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6.3 | ±0.14 | * |
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6.7 | * |
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6.9 | * |
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7.1 | * | * |
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7.5 | * | * |
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8 | * | * |
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8.5 | * | * |
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8.75 | * | * |
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9 | * | * |
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9.5 | * | * |
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10 | * | * |
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10.6 | ±0.17 | * | * |
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11.2 | * | * |
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11.8 | * | * |
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12.5 | * | * |
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13.2 | * | * |
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14 | * | * |
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15 | * | * |
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16 | * | * |
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17 | * | * |
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18 | * | * | * |
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19 | ±0.22 | * | * | * |
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20 | * | * | * |
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21.2 | * | * | * |
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22.4 | * | * | * |
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23.6 | * | * | * |
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25 | * | * | * |
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25.8 | * | * | * |
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26.5 | * | * | * |
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28 | * | * | * |
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30 | * | * | * |
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31.5 |
| * | * | * |
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32.5 | ±0.30 | * | * | * |
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33.5 |
| * | * | * |
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34.5 |
| * | * | * |
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35.5 |
| * | * | * |
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36.5 |
| * | * | * |
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37.5 |
| * | * | * |
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38.7 |
| * | * | * |
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40 |
| * | * | * | * |
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41.2 |
| * | * | * | * |
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42.5 |
| * | * | * | * |
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43.7 |
| * | * | * | * |
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45 |
| * | * | * | * |
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46.2 |
| * | * | * | * |
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47.5 |
| * | * | * | * |
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48.7 |
| * | * | * | * |
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50 |
| * | * | * | * |
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51.5 | ±0.45 |
| * | * | * |
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53 |
| * | * | * |
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54.5 |
| * | * | * |
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56 |
| * | * | * |
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58 |
| * | * | * |
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60 |
| * | * | * |
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61.5 |
| * | * | * |
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63 |
| * | * | * |
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65 |
| * | * | * |
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67 |
| * | * | * |
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69 |
| * | * | * |
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71 |
| * | * | * |
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73 |
| * | * | * |
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75 |
| * | * | * |
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77.5 |
| * | * | * |
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80 |
| * | * | * |
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82.5 | ±0.65 |
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| * | * |
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85 |
| * | * | * |
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87.5 |
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| * | * |
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90 |
| * | * | * |
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92.5 |
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| * | * |
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95 |
| * | * | * |
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97.5 |
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| * | * |
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100 |
| * | * | * |
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103 |
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| * | * |
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106 |
| * | * | * |
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109 |
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| * | * | * |
112 |
| * | * | * | * |
115 |
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| * | * | * |
118 |
| * | * | * | * |
122 | ±0.90 |
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| * | * | * |
125 |
| * | * | * | * |
128 |
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| * | * | * |
132 |
| * | * | * | * |
136 |
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| * | * | * |
140 |
| * | * | * | * |
145 |
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| * | * | * |
150 |
| * | * | * | * |
155 |
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| * | * | * |
160 |
| * | * | * | * |
165 |
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| * | * | * |
170 |
| * | * | * | * |
175 |
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| * | * | * |
180 |
| * | * | * | * |
185 | ±1.20 |
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| * | * | * |
190 |
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| * | * | * |
195 |
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| * | * | * |
200 |
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| * | * | * |
206 |
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| * |
212 |
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| * | * |
218 |
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| * |
224 |
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| * | * |
230 |
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| * |
236 |
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| * |
243 |
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| * |
250 |
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| * |
258 | ±1.60 |
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| * |
265 |
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| * |
272 |
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| * |
280 |
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| * |
290 |
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| * |
300 |
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| * |
307 |
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| * |
315 |
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| * |
325 | ±2.10 |
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| * |
335 |
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| * |
345 |
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| * |
355 |
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| * |
365 |
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| * |
375 |
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| * |
387 |
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| * |
400 |
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| * |
412 | ±2.60 |
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| * |
425 |
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| * |
437 |
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| * |
450 |
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| * |
462 |
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| * |
475 |
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| * |
487 |
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| * |
500 |
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| * |
515 | ±3.20 |
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| * |
530 |
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| * |
545 |
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| * |
560 |
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| * |
580 |
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| * |
600 |
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| * |
615 |
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| * |
630 |
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| * |
650 | ±3.80 |
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| * |
670 |
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| * |
Remark: | * means the o-ring dimension is in full accord to the standard |