Essentially, the dual purpose wiper has a rod seal built in. A U-cup seal is added at the wiper’s base. Typically, this rod seal is not as robust as a loaded or unloaded U-cup. However, a dual purpose wiper can eliminate the need for both a wiper and rod seal, reducing costs in low pressure pneumatic applications.
These wipers are designed to retrofit old MS-33675 grooves. They’re typically numbered for the MS-28776 design guide. More
D Wipers offer Improved performance without wiper gland modifications. PSP offers four styles. More
A stainless steel spring energizes this wiper’s lip for heavy-duty applications and scraping environments. More
This wiper/rod seal combination can eliminate the need for both a rod seal and wiper, reducing costs. More