Tight tolerance WPT and WRT series wear rings offer high dimensional stability, compressive strength, and lubricity, and have radial tolerances of ±0.002 in. for up to 6 in. OD and ±0.003 in. for 6 to 12 in. OD. Commercial WN series features radial tolerances of ±0.005 in. for light-, medium-, and heavy-duty hydraulic cylinders. PTFE offering comes in PDT and PDW profiles in bulk and cut-to-length strip or machined rings for light-duty hydraulic and pneumatic cylinders.
Parker Hannifin Corp., Engineered Polymer Systems,(801) 972-3000, www.parker.com