Chesterton PLS

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Chesterton Polymer Labryinth Seal (PLS)
Seals Out External Contamination


​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Made from Chesterton's proprietary polymer material technology, this maintenance-friendly product is easy to install and offers a cost-effective alternative to o​ther material options on the market.​


Installation Instructions (English)
Product Datasheet (English)

High-performance, non-contact design eliminates fretting caused by lip seals
Keeps lubrication in and seals out external contamination
Unitized design and durable non-sparking material provide easy, reliable installation
Available in a variety of configurations to meet plant-wide equipment needs
Same day shipment availability, minimizing downtime and associated costs
Standard sizes available for popular equipment; custom sizes available upon request
IP56 (third party certification) designed to be resistant to dust and water​​
​​​​​​ ​​​​
​Materials (designation)Size Range mm (inch)Temperature ° C (° F)Speed *m/s (ft/min)Eccentricity mm (inch)
Polymer Labyrinth Seal (EU) AWC 80025 to 152 (1 to 6)-40 to 93 (-40 to 200)30.5 (6000)0.75 (0.030)

*Contact engineering for speeds beyond these limits