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839N


Sealing for hydraulics and pneumatics

Hallite

Specifications

The Hallite 839N double-lip pressure washer is designed to fit popular Asian housing sizes and to exclude dirt and moisture from entering the cylinder. The design minimizes oil transfer out of the ram on the cylinder rod by collecting traces of fluid passing through the rod seal.
The Hallite 839N wiper lip is textured to provide improved dry rod performance, particularly for long-stroke cylinder applications. Opposite the wiper lip are two sealing lips precision trimmed at an angle to provide optimum rod sealing performance. The Hallite 839N is designed to have an interference fit in the seal housing groove to improve wiper stability in the bushing and reduce the possibility of ingress around the outside of the wiper.
Hallite 839N is precision molded in Hythane® 181 for maximum wear resistance.
Hallite recommends that a vent be provided between the seal and the cleaner to avoid a pressure trap.

Field of application


Maximum speed: 4.0 m/s
Temperature range: -45 to +110 °C