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Temperature / Media

Media

Maximum temperature depending on the materials

PTFE

Mineral oils

Oils for motors

+150°C

Oils for gearboxes

+150°C

Oils for hypoid gears

+150°C

ATF oils

+150°C

Hydraulic oils

+150°C

Greases

+150°C

Fire-resistant

fluids

HFA group - Emulsion with more than 80% water

+

HFB group - Opposite solution (water in oil)

+

HFC group - Polymer aqueous solution

+

HFD group - Water-free synthetic fluids

+150°C

Other fluids

EL + L heating oil

+

Air

+150°C

Water

+

Water for washing

+

Temperature range

Min.

-60°C

Max.

+200°C

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TECHNICAL DATA

Speed

0

0

20

40

60

80 100 120 140 160 180 200

5

10

15

20

25

30

35

40

500

1000

1500

2000

2500

3000

3500

4500 4000

5000

6000

7000

9000

15000

30000

8000

10000

Shaft diameter (mm)

FKM / VMQ

ACM / AEM / HNBR

NBR

PTFE

Linear speed calculation:

s (m/s) =

[shaft Ø (mm)  x  speed (rpm)  x   π]

 

60,000

ROTARY SEALS | SHAFT SEALS WITH PTFE LIPS |

BECA 804