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Aavolyn # 53-21001-609, AVA45/Babbitt TY210/230 Packing Ring

This design consists of one Teflon® radial ring pinned to one Teflon® tangent ring along with an iron or bronze backup ring. The TEFLON® radial ring faces the pressure and is installed as shown.


Cylinder/ Rod Diameter




Material Description

AVA45 performs exceptionally well in non-lubricated applications where operating temperatures are a major factor in the performance of the seal. AVA45 combines the strength and thermal conductivity of the bronze with the frictional properties of the Moly Disulfide for both cryogenic and high temperature air service. Wear tests performed by the US Navy for their high pressure non lube compressors showed AVA45 to have the best wear properties of all standard Teflon® tested.
Recommended Applications: High Temperature Air Cryogenic Service
1 Teflon® PTFE is a trademark or registered trademarks of E. I. du Pont de Nemours and Company or its affiliates. All rights reserved.