O-Rings / Large Diameter (Part Numbers - CAD Download)

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

Part Number

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Part Numbers
More Information
Catalog

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

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)

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

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Part Number
DFA3.1-[160-2000/1]
DFA3.53-[160-2000/1]
DFA4-[160-2000/1]
DFA5.7-[160-2000/1]
DFA5.33-[160-2000/1]
DFA6-[160-2000/1]
DFA7-[160-2000/1]
DFA8-[160-2000/1]
DFA8.4-[160-2000/1]
DFA9-[300-2000/1]
DFA10-[160-2000/1]
DFA11-[300-2000/1]
DFA12-[300-2000/1]
DFA13-[300-2000/1]
DFA15-[300-2000/1]
DFA16-[300-2000/1]
DFA18-[300-2000/1]
DFA20-[300-2000/1]
DFB3.1-[160-2000/1]
DFB3.53-[160-2000/1]
DFB4-[160-2000/1]
DFB5.7-[160-2000/1]
DFB5.33-[160-2000/1]
DFB6-[160-2000/1]
DFB7-[160-2000/1]
DFB8-[160-2000/1]
DFB8.4-[160-2000/1]
DFB9-[300-2000/1]
DFB10-[160-2000/1]
DFB11-[300-2000/1]
DFB12-[300-2000/1]
DFB13-[300-2000/1]
DFB15-[300-2000/1]
DFB16-[300-2000/1]
DFB18-[300-2000/1]
DFB20-[300-2000/1]
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]

Minimum order quantity	Standard Shipping Days ?	RoHS	Inner Dia. do (or d) (mm)	Wire Dia. W (mm)	Material	Material Code, JIS	Hardness
1	12 Days	10	160 ～ 2000	3.1	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	3.53	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	4	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	5.7	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	5.33	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	6	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	7	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	8	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	8.4	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	9	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	10	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	11	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	12	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	13	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	15	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	16	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	18	Nitrile Rubber	Class 1 A	70
1	12 Days	10	300 ～ 2000	20	Nitrile Rubber	Class 1 A	70
1	12 Days	10	160 ～ 2000	3.1	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	3.53	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	4	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	5.7	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	5.33	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	6	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	7	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	8	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	8.4	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	9	Nitrile Rubber	Class 1 B	90
1	12 Days	10	160 ～ 2000	10	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	11	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	12	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	13	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	15	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	16	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	18	Nitrile Rubber	Class 1 B	90
1	12 Days	10	300 ～ 2000	20	Nitrile Rubber	Class 1 B	90
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

More Information

■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.

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Basic information

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Basic Attributes

Inner Dia. do (or d)(mm)
[160-2000/1mm Unit(s)]
Clear
Wire Dia. W(mm)
3.1

3.53

4

5.33

5.7

6

7

8

8.4

9

10

11

12

13

15

16

18

20
Clear
Material
- Nitrile Rubber
- Fluororubber
  - Fluororubber
Clear
Hardness
- 70
- 90
Clear
Type
- DFA
- DFB
- DFF
Clear
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