The seal AF-521 has been specially designed for sealing of swivel or rotary transmissions. This double acting sealing system is used in cases of external sealing. It has a particularly versatile range of materials to serve respecitve applications.

Special Features:
Low friction and very low wear.

Reduced stick slip tendency even at low velocity.

High extrusion to temperature.

Very high resistance of temperature.

Small assembly dimensions.

Suitability to almost any media concerning the PTFE part and a possibility of variation of O-ring material

No notches.