CW21K Canned Wiper

The Chesterton CW21K canned wiper features a positive-rake lip design that efficiently removes dirt, dust, and debris from retracting rods and rams, preventing shaft scoring and contamination in open-cavity hydraulic systems. Built with abrasion-resistant materials, it installs with a press-fit design that requires no external support, making it ideal for rugged hydraulic and pneumatic applications.

Offered in a wide range of custom sizes, the CW21K provides reliable protection in compact grooves. It performs in temperatures from –50°C to 85°C and at speeds up to 0.9 m/s, delivering dependable sealing and long-term durability in demanding environments.

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Product Features

✔ Interference press-fit design does not require support of other external devices
✔ Space saving and easy, open construction groove
✔ Single-acting, abrasion- resistant design for hydraulic applications
✔ Positive rake lip design effectively wipes contaminants away from surface
✔ Manufacturing process allows flexibility to create any size

Technical Data ↓

  • -60 °F ( -50 °C )

  • 185 °F ( 85 °C )

  • 0.9 m/s ( 185 fpm )

  • Temperature and pressure for AWC800 material

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