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Ød2

L1

C

R2

60°

L2 min

L3=1,0

R1



INSTALLATION DIMENSIONS

Rod diameter

Ød1 f8/h9

Groove diameter

Bore diameter

Groove width

Step width

O’Ring

cross-section

Standard range

Extended range

ØD1 H9

ØD2 H11

L1 0/+0.20

L2 min

Ød2

4.0 - 11.9

4.0 - 130.0

d1 + 4.80

d1 + 2.70

3.70

2.00

1.78

12.0 - 64.9

10.0 - 245.0

d1 + 6.80

d1 + 3.50

5.00

2.00

2.62

65.0 - 250.9

25.0 - 400.0

d1 + 8.80

d1 + 4.00

6.00

3.00

3.53

251.0 - 420.9

40.0 - 655.0

d1 + 12.20

d1 + 4.50

8.40

4.00

5.33

421.0 - 650.9

110.0 - 655.0

d1 + 16.00

d1 + 5.20

11.00

4.00

6.99

* The codes that define the materials are set out in the materials table on the previous page.



EXAMPLE OF CODIFICATION

STANDARD CODIFICATION

Materials ________ : Friction ring, PTFE + 60% Bronze - Code DB

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

Rod diameter _____ : Ød1 = 50.00 mm

Groove diameter __ : ØD1 = 58.80 mm

Part number______ : 480. 050DBK6

Family

Rod diameter

Friction ring material*

O'Ring material*

480.

050

DB

K6

Part number -

HYDRAULIC SEALS | WIPER SEALS |

BECA 480