Parker AH double acting scraper
   AH type ULTRATHAN ® double acting scraper to prevent dirt from entering the hydraulic cylinders, and improve the sealing effect. Push-installed to prevent contaminants from entering the outer diameter, while the sealing lip and other Pike rod seal together with additional sealing effect can be increased to reduce leakage. Dust lip for the outside world to maximize the contaminants out of the piston rod outside.

1. Material:

Parker polyurethane P5008 is a Shore A hardness of about 93. Compared with other polyurethane materials currently on the market, to improve the heat resistance, resistance to hydrolysis capacity enhancement.

If the special requirements (pressure, temperature, speed, used for water, HFA solution, HFB and other liquid medium), please contact our service department in order to recommend the right materials and structures.

2. Application:

Hydraulic cylinders and valves

Operating temperature: -35 ° C to + 100 ° C

Surface speed: ≤2 m / s

 3. Install:

  AH type ULTRATHAN ® dust ring is slightly larger outside diameter D, formed after the installation can ensure a reliable tight fit in the groove D H8. Avoid dust seal lip in contact with the piston rod eyelet or other connecting elements.

AH-type dust ring (JIS standard)