o-ring tolerances | FEP and PFA o-rings

Darstellung eines O-Rings

Important: In principle, there is no official tolerance standard for FEP encapsulated O-rings. The figures in the two tables are based on our experience and are only intended as a rough guide.

Tolerances inner diameter D1 (mm)

From ØTo ØTolerance
0.0012.70

± 0.27

12.7025.40

± 0.39

25.4038.10

± 0.52

38.1050.80

± 0.64

50.8063.50

± 0.74

63.5088.90

± 0.97

88.90101.60

± 1.09

101.60127.00

± 1.31

127.00152.40

± 1.53

152.40177.80

± 1.78

177.80203.20

± 1.99

203.20254.00

± 2.61

254.00330.20

± 3.04

330.20406.40

± 3.62

406.40

557.11

± 4.19

557.11

762.10

± 4.98

762.10

1000.00

± 5.71

Tolerances cord thickness D2 (mm)

From Ø

Up to Ø

Tolerance
1.782.00

± 0.10

2.002.62

± 0.12

2.623.60

± 0.15

3.605.70

± 0.25

5.706.99

± 0.30

6.999.52

± 0.40

9.5212.70

± 0.50

12.7015.00

± 0.60

15.0015.90

± 0.70

15.9018.00

± 0.80

18.0019.05

± 0.90

19.0520.63

± 1.00

20.6325.40

± 1.20

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