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AVA45 TY260 Pressure Balanced Unit Packing Rings

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The AVA-PBU pressure balanced unitized design is the latest concept in shaft seals. The AVA-PBU was developed to extend packing life in conventional applications. However, it has found use in all services from non-lube air to 50,000 PSI compressors handling polyethylene. Each ring operates on the principle of balancing the pressures around the seal to minimize the downward force of the piston rod. Frictional forces are reduced considerably. In applications where filled PTFE materials are utilized, there is less chance that the PV limit (temperature/pressure limit) of the PTFE will be exceeded because of reduced frictional heat.

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Aavolyn #

Cylinder/ Rod Diameter


53-26001-005 1.250 AVA45
53-26021-X04 1.125 AVA45
R62878B 1.125 AVA45
53-26021-004 1.125 AVA45
53-26X21-004 1.125 AVA45
302020AJ3 1.250 AVA45
  Results 1 - 6 of 6 1