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L1

R2

C

R1

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INSTALLATION DIMENSIONS

Bore diameter

Groove diameter

Groove width

Radial section

Cross-section /

Ring thickness

ØD1 H9

Ød1 h9

L1 0/+0.20

S

Ød2 / E

6.0 - 11.9

D1 - 2.60

1.35

1.30

1.00

12.0 - 23.9

D1 - 4.00

2.00

2.00

1.78

24.0 - 33.9

D1 - 5.20

2.60

2.60

2.00

34.0 - 45.9

D1 - 6.50

3.20

3.25

2.62

46.0 - 58.9

D1 - 7.80

3.85

3.90

3.00

59.0 - 80.9

D1 - 9.10

4.50

4.55

3.53

81.0 - 129.9

D1 - 10.20

5.10

5.20

4.00

130.0 - 199.9

D1 - 11.70

5.70

5.85

5.00

200.0 - 299.9

D1 - 13.00

6.35

6.50

5.33

300.0 - 399.9

D1 - 15.60

7.60

7.80

6.99

400.0 - 599.9

D1 - 20.80

10.10

10.40

8.40

600.0 - **

D1 - 26.00

12.60

13.00

12.00

For special applications > 40 MPa, we recommend using an H8/f8 tolerance (bore/piston) or selecting other, more suitable materials. Please

contact our experts.

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EXAMPLE OF CODIFICATION

STANDARD CODIFICATION

Materials ________ : Polyamide friction ring - Code D6

________________ : NBR 70 Shore A O'Ring / square ring - Code K6

Bore diameter ____ : ØD1 = 50.00 mm

Groove diameter __ : Ød1 + 42.20 mm

Part number______ : 650.050D6K6

Family

Bore diameter

Friction ring material

O'Ring / square ring material

650.

050

D6

K6

Part number -

HYDRAULIC SEALS | PISTON SEALS |

BECA 650