O-Rings / Large Diameter

O-Rings / Large Diameter

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[Features] This O-ring allows you to freely choose the length of the wire diameter and the inner diameter.

Data sheet

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O-Rings/Large Diameter:Related Image

TypeMaterialHardness (JIS Hs)ColorOperable Temperature RangeJIS Symbol
DFANitrile Rubber70±5Black-30~100°CClass 1 A
DFBNitrile Rubber90±5Black-25~100°CClass 1 B
DFFFluoro Rubber70±5Black-15~200°CClass 4 D

Specifications

Part Number-do
DFA4-850
Part NumberWire Dia. ToleranceI.D. do
1mm Increment
TypeWire Dia. W
DFA
(Nitrile Rubber 70, Black)

DFB

(Nitrile Rubber 90, Black)

DFF

(Fluoro Rubber 70, Black)
 3.1±0.13300~2000
 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
Wire and I.D. tolerances of DFF are 1.5 times larger than those in the table above.
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
■Material Specification Table (JISB2401)
TypeDFADFBDFF
JIS SymbolClass 1 AClass 1 BClass 4 D
Tensile Strength (MPa)9.8149.8
Elongation (%)250100200
Tensile Stress (MPa)2.7-1.9
Compression Set (%)404040

Part Number:  

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Part Number
DFF3.1-[160-2000/1]
DFF3.53-[160-2000/1]
DFF4-[160-2000/1]
DFF5.7-[160-2000/1]
DFF5.33-[160-2000/1]
DFF6-[160-2000/1]
DFF7-[160-2000/1]
DFF8-[160-2000/1]
DFF8.4-[160-2000/1]
DFF9-[300-2000/1]
DFF10-[160-2000/1]
DFF11-[300-2000/1]
DFF12-[300-2000/1]
DFF13-[300-2000/1]
DFF15-[300-2000/1]
DFF16-[300-2000/1]
DFF18-[300-2000/1]
DFF20-[300-2000/1]
Part NumberMinimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSInner Dia. do (or d)
(mm)
Wire Dia. W
(mm)
Material Material Code, JIS Hardness
1 12 Days 10160 ~ 20003.1[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20003.53[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20004[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20005.7[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20005.33[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20006[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20007[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20008[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 20008.4[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 20009[Fluororubber] FluororubberClass 4 D70
1 12 Days 10160 ~ 200010[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 200011[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 200012[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 200013[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 200015[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 200016[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 200018[Fluororubber] FluororubberClass 4 D70
1 12 Days 10300 ~ 200020[Fluororubber] FluororubberClass 4 D70

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More Information

O-Rings/Large Diameter:Related Image
■Features
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

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