Wiper W23


Wiper W23 is an single acting wiper with U-ring incorporated for closed groove instalation. Sealing lips on U-ring side has function as regular U ring and rounded sealing edge on wiper lip leaves residual oil film on the retracting rod and improve service life.

Standard hydraulic cylinders
Injection moulding machines
Industrial vehicles
Agriculture machinery

Standard material
Material Base Polyurethane
Material Code U5017
Hardness 95 Shore A
Color Dark blue

Advantages of U5017 material

High mechanical properties
High wear resistance
Good abrasion resistane
Good media resistance

Running speed v Up to 1.0 m/s
Working pressre, seal side Up to 1.6 Mpa

Medium, Working Temperature
Material Code U5017
Hydraulic oils: HL, HLP -30 … +110 °C
HFA, HFB fluids +5 … +50 oC
HFC fluids -30 … +40 °C
Water +5 … +50 oC
Mineral greases -30 … +110 °C
Surface quality*
Surface roughness Ra Rmax
Sliding surfaces
Groove base ≤ 1,6 μm ≤ 6,3 μm
Groove flanks ≤ 3 μm ≤ 15 μm

* The surface roughness of the sliding surfaces corresponds to the sealing bar used