KNA 28

Description
Product group: Piston seal
Design: NA asymmetrical u-ring with outer main sealing lip (28)
Profile no.: 28
Specification: E suitable for one-sided pressure load
Seal material: TPU 95 3401

Operational application limits
Pressure (MPa): ≤ 40
Temperature (°C): -40 to +100
Running speed (m/s): ≤ 0.5

Media
Hydraulic oils acc. to DIN 51524 Part 1 – 3, lubricating oils, mineral oil based lubricating greases, highly non-flammable hydraulic fluids HFA, HFB, HFC acc. to VDMA 24317

Function
The KNA 28 u-ring is a single-acting piston seal with an asymmetrical design. Due to the synergy of geometry and material, it is particularly well-suited for extreme loads.