UN - Seal for Rod and Piston

Operating conditions

Pressure: ≤ 400 bar

Temperature: -35°C...+100°C

Speed: ≤ 0,5 m/s

Fluids: Hydraulic fluids (mineral oil based)

Gap >e< defined according to operating conditions by using nomogram.


Polyurethane (harness 94 Shore A)


Closed housing (A)

Two-piece piston (B)


- High wear resistance

- Can be used as piston and rod seal

- Inexpensive

Corresponding types: TTU, RSS

Attention! Type UI only for rod, Type UA only for piston.

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