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O-Rings/Large Diameter



Type[ M ]Material[ H ]Hardness (JIS Hs)ColorOperation 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.
Tolerance
Inner Dia. do
1mm Increment
TypeWire Dia.
W
DFA
(Nitrile Rubber 70 - Black)

DFB

(Nitrile Rubber 90 - Black)

DFF

(Fluoro Rubber - 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

Inner Dia.Inner
Dia.
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
[ ! ]Wire and inner diameter tolerances of DFF are 1.5 times larger than those in the above table.
■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
DFA8-[300-2000/1]
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInner Dia. do (or d)
(Ø)

-

1 Piece(s) 9 Day(s) or more 10300 ~ 2000

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  1. 1

More Information


■Features
(1)Wire diameter and inner diameter are selectable.
(2)Able to keep high level of air tightness because of vulcanization molding.
(3) No breaks from joint parts.

Example

 

Basic Information

Type Configurable Wire Dia. W(mm) 8 Material Nitrile Rubber
Material Code, JIS Class 1 A Hardness 70

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