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Temperature / Media

Media

Maximum temperature depending on the materials

ACM

AEM

EPDM

FKM

HNBR

NBR

VMQ

Mineral oils

Oils for motors

+130°C

+130°C

–

+170°C

+130°C

+100°C

+150°C

Oils for gearboxes

+120°C

+130°C

–

+150°C

+110°C

+80°C

+130°C

Oils for hypoid gears

+120°C

+130°C

–

+150°C

+110°C

+80°C

–

ATF oils

+120°C

+130°C

–

+170°C

+130°C

+100°C

–

Hydraulic oils

+120°C

+130°C

–

+150°C

+130°C

+90°C

–

Greases

–

+130°C

–

–

+100°C

+90°C

–

Fire-resistant

fluids

HFA group - Emulsion with

more than 80% water

–

–

–

–

+70°C

+70°C

+60°C

HFB group - Opposite

solution (water in oil)

–

–

–

–

+70°C

+70°C

+60°C

HFC group - Polymer

aqueous solution

–

–

+60°C

–

+70°C

+70°C

–

HFD group - Water-free

synthetic fluids

–

–

–

+150°C

–

–

–

Other fluids

EL + L heating oil

–

–

–

–

+100°C

+90°C

–

Air

+150°C

+150°C

+150°C

+200°C

+130°C

+100°C

+200°C

Water

–

–

+150°C

+100°C

+100°C

+90°C

–

Water for washing

–

–

+130°C

+100°C

+100°C

+90°C

–

Temperature range

Min.

-25°C

-40°C

-45°C

-20°C

-30°C

-30°C

-60°C

Max.

+150°C

+150°C

+150°C

+200°C

+150°C

+100°C

+200°C

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TECHNICAL DATA

Speed

Rotation hub diameter (mm)

40

80

120

160

200

240

0

0

500

1000

1500

2000

2500

3000

3500

4000

Linear speed calculation:

s (m/s) =

[rotating hub Ø (mm)  x  speed (rpm)  x  π]

 

60,000

Pressure

Inverted shaft seals with a primary sealing lip and no

spring are used only in pressurised environments.

We recommend using inverted shaft seals with springs for use

in pressurised environments between 0.02 and 0.05 MPa (max).

ROTARY SEALS | INVERTED SHAFT SEALS |

OVB2