Technical Information |
'O' Ring Guide |
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The appropriate selection of 'O' Ring material is important. Failure to select the correct material may lead to a shortened service life or, in an extreme case, seal failure. |
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The following table is offered as a guide only, the information is not intended to be comprehensive. Operating conditions, temperature and fluid combinations should be taken into account when selecting the material. For specific application advice please consult the factory. |
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'N' |
Nitrlle
(Buna N)
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-40°C to + 135°C -40°F to + 275°F
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Mineral Based Hydraulic Oils & Greases
Engine Oils SAE 10 to 50 & Multigrades Pneumatics
Cold Water
Silicone Oils & Greases
Ethytene Glycol Based Fluids (Anti-Freeze) Di-Ester Based Lubricants
Gasoline Nitrous Oxide |
Brake Fluid Phosphate Ester Hydraulic Fluids
Ketones (Acetone) |
'V' |
Flurocarbon |
-25°C to + 250°C
-13°F to + 482°F |
Mineral Based Hydraulic Oils & Greases
Engine Oils SAE 10 to 50 & Multi-Grades Pneumatics
Di-Ester Based Lubricants Phosphate Ester Hydraulic Fluids
Silicate Ester Base Lubricants Silicone Oils & Greases Gasoline Aviation Fuels High Temperature Air |
Brake Fluid Ketones (Acetone) |
'EP' |
Ethylene
Propylene |
-54°C to + 135°C
-65°F to + 275°F |
Brake Fluid Water (Hot & Cold) Phosphate Ester Hydraulic Fluids Methanol Nitromethane Nitrous Oxide Ketones (Acetone) |
Petroleum Oils Di-Ester Base Lubricants |
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Pressure Units Cross Reference Chart |
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1 |
0.068 |
2.310 |
27.720 |
0.70 |
0.703 |
2.043 |
51.884 |
5.188 |
0.069 |
68.947 |
6.895 |
14.696 |
1 |
33.959 |
407.513 |
1.033 |
10.351 |
30.019 |
762.483 |
76.248 |
1.013 |
1013.25 |
101.325 |
0.433 |
0.029 |
1 |
12.000 |
0.030 |
0.304 |
0.884 |
22.453 |
2.245 |
0.030 |
29.837 |
2.984 |
0.036 |
0.003 |
0.083 |
1 |
0.003 |
0.025 |
0.074 |
1.871 |
0.187 |
0.030 |
2.486 |
0.249 |
14.223 |
0.968 |
32.867 |
394.408 |
1 |
10.018 |
29.054 |
737.962 |
73.796 |
0.981 |
980.665 |
98.066 |
1.422 |
0.097 |
3.287 |
39.370 |
0.099 |
1 |
2.905 |
73.796 |
7.379 |
0.098 |
98.066 |
9.807 |
0.489 |
0.033 |
1.131 |
13.575 |
0.034 |
0.344 |
1 |
25.400 |
2.540 |
0.034 |
33.753 |
3.375 |
0.019 |
0.001 |
0.045 |
0.534 |
0.001 |
0.013 |
0.039 |
1 |
0.100 |
0.001 |
1.333 |
0.133 |
0.193 |
0.013 |
0.445 |
5.340 |
0.014 |
0.136 |
0.395 |
10.326 |
1 |
0.013 |
13.333 |
1.328 |
14.503 |
0.987 |
33.514 |
402.164 |
1.020 |
10.196 |
29.626 |
752.472 |
75.251 |
1 |
1000.0 |
100.00 |
0.014 |
0.001 |
0.033 |
0.402 |
0.001 |
0.010 |
0.030 |
0.753 |
0.075 |
0.001 |
1 |
0.100 |
0.145 |
0.010 |
0.335 |
4.021 |
0.010 |
0.102 |
0.296 |
7.525 |
0.753 |
0.010 |
10.000 |
1 |
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