Product Description
The WP4 Wiper Seal is a one-way seal made of polyurethane and metal parts. It combines a polyurethane seal with metal parts. It is installed on the outer edge of an open groove so as to prevent foreign matter from entering the hydraulic system. The WP4 Wiper Seal forms an oil film on the piston rod to protect it from oxidation. The WP4 Wiper Seal is mostly used in light, medium and heavy duty applications.
Material
Polyurethane
Operating Conditions
| Media |
Mineral oils |
| Speed |
≦1 m/s |
| Temperature Range |
-40°C , +100°C |
Surface Roughness
| |
Sliding Surface |
Groove Base |
Groove Flanks |
| Ra |
0.2~0.4 µm |
≦3.2 µm |
≦3.2 µm |
| Rz |
0.8~1.6 µm |
≦12.5 µm |
≦12.5 µm |
