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Manufacturer
MISUMI
Country
Japan
Part number
DFA7-[300-2000/1]
Description
O-Rings/Large Diameter
Stock availability:
On request
Price: On request
On request
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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 |
| 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 |
