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FEY Labyrinth Sealing Rings

Protect components in dirty and abrasive environments up to 700oC

materials

  • Variable depending on the thermal treatment type! Hardness values depending on ring cross section measured in Rockwell HTRA or HRC. 
  • The surface colour can vary depending on the thermal treatment type: bright, light brown or blackened. 
  • For FK8 series, depending on the requirements, the listed laminar ring materials are available, please include the laminar ring material in your order.

Steel Type

Spring

Resistant

up to

Hardness

Surface

Treatment

Surface

Protection

Surface

Colour

Available

for Series

C75S-DIN 1.0605

Max +300oC

On request (1)

-

Oiled

Variable (2)

FK2, FK3, FK4, FK6, FK7, FK8 (3)

C60E-DIN 1.1221

Max +300oC

On request (1)

-

Oiled

Variable (2)

FK2, FK3, FK4, FK6, FK7

50CrV4-DIN 1.8159

Max +400oC

On request (1)

-

Oiled

Variable (2)

FK2, FK3, FK4, FK6, FK7

CrNi-DIN 1.4310

Max +450oC

On request (1)

-

Bright & Dry

Variable (2)

FK3, FK6, FK7, FK8 (3)

CrNi-DIN 1.4571

Max +500oC

On request (1)

Vibratory grinding

Dry

Variable (2)

FK5, FK5-HFL, FK8 (3)

CrNi-DIN 1.4980

Max +700oC

On request (1)

Vibratory grinding

Dry

Variable (2)

FK5-HFL

 

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