O-Rings / Large Diameter
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| Type | Material | Hardness (JIS Hs) | Color | Operable Temperature Range | JIS Symbol |
| DFA | Nitrile Rubber | 70±5 | Black | -30~100°C | Class 1 A |
| DFB | Nitrile Rubber | 90±5 | Black | -25~100°C | Class 1 B |
| DFF | Fluoro Rubber | 70±5 | Black | -15~200°C | Class 4 D |
Specifications
| Part Number | - | do |
| DFA4 | - | 850 |
| Part Number | Wire Dia. Tolerance | I.D. do 1mm Increment | |
| Type | Wire Dia. W | ||
| DFA (Nitrile Rubber 70, Black) DFB (Nitrile Rubber 90, Black) DFF (Fluoro Rubber 70, Black) | 3.1 | ±0.13 | 300~2000 |
| 3.53 | |||
| 4 | |||
| 5.33 | ±0.15 | ||
| 5.7 | |||
| 6 | |||
| 7 | |||
| 8 | ±0.20 | ||
| 8.4 | |||
| 9 | ±0.25 | ||
| 10 | ±0.30 | ||
| 11 | |||
| 12 | |||
| 13 | ±0.39 | ||
| 15 | |||
| 16 | ±0.48 | ||
| 18 | |||
| 20 | |||
| I.D. | I.D. tolerance |
| 300~400 | ±2.82 |
| 401~500 | ±3.30 |
| 501~600 | ±4.00 |
| 601~700 | ±4.70 |
| 701~800 | ±5.30 |
| 801~900 | ±6.00 |
| 901~1000 | ±6.70 |
| 1001~1100 | ±7.50 |
| 1101~1200 | |
| 1201~1300 | |
| 1301~1400 | |
| 1401~1500 | |
| 1501~1600 | ±8.80 |
| 1601~1700 | ±9.40 |
| 1701~1800 | +10.0~-10.4 |
| 1801~1900 | +10.0~-11.2 |
| 1901~2000 | +10.0~-11.7 |
| Type | DFA | DFB | DFF |
| JIS Symbol | Class 1 A | Class 1 B | Class 4 D |
| Tensile Strength (MPa) | 9.8 | 14 | 9.8 |
| Elongation (%) | 250 | 100 | 200 |
| Tensile Stress (MPa) | 2.7 | - | 1.9 |
| Compression Set (%) | 40 | 40 | 40 |
Part Number:
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| Part Number | Minimum order quantity | Volume Discount | RoHS | Inner Dia. do (or d) (mm) | Wire Dia. W (mm) | Material | Material Code, JIS | Hardness | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 12 Days | 10 | 160 ～ 2000 | 3.1 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 3.53 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 4 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 5.7 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 5.33 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 6 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 7 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 8 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 8.4 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 9 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 160 ～ 2000 | 10 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 11 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 12 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 13 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 15 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 16 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 18 | [Fluororubber] Fluororubber | Class 4 D | 70 | ||
| 1 | 12 Days | 10 | 300 ～ 2000 | 20 | [Fluororubber] Fluororubber | Class 4 D | 70 |
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More Information
Wire dia. and I.D. are selectable.
Able to keep high level of air tightness because of vulcanization molding.
No breaks from joint parts.
Basic information
| Type | Configurable |
|---|
Configure
Basic Attributes
-
Inner Dia. do (or d)(mm)
-
Wire Dia. W(mm)
-
Hardness
- 70
- 90
-
Type
- DFA
- DFB
- DFF
-
Material
- Nitrile Rubber
- Fluororubber
-
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Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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