Parker’s RWAH profile is the ultimate metal-clad excluder for heavy duty
hydraulic applications. Press-fit installation prevents O.D. contamination
while the additional sealing lip works in conjunction with Parker rod
seals to provide redundant sealing for leakage reduction. An aggressive
wiping lip, facing the environment, ensures the utmost performance in
contaminant exclusion along the rod.
IMPORTANT: When using the RWAH wiper in conjunction with other
rod seals, it is important to select a rod seal profile that enables
pressure relief of fluid into the system, otherwise a pressure trap
may form between the wiper and rod seal. Suggested rod profiles
are the BT, BS, and B3 u-cups.