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Aavolyn is a Manufacturer and Supplier of
Compressor Replacement Parts
Compressor Packing Assemblies
Piston & Rider Rings
Rod & Wiper Packing
Pistons & Rods
Custom Machined Parts
Natural Gas Compressor Service
Specialty Gas Compressor Service
Process Compressor Service
Piston Rings and Rider Rings
Miscellaneous Rider Rings
AVA5015 TY430 Butt Cut Rider Rings
Aavolyn # 56-43911-123
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Aavolyn # 56-43911-123, AVA5015 TY430 Butt Cut Rider Ring
The rider split or wear ring is part of all piston designs where there is no lubrication or the possibility of loss of lubrication exists during operation. New process compressors have rider rings included whether the compressor is lubricated or non-lubricated. The rider supports the weight of the piston and prevents contact with the cylinder wall. It is designed taking into consideration the weight of the piston and rod, the physical properties of the ring material, the operating conditions and the desired ring life. AAVOLYN engineers have considerable experience in designing Teflon® rider rings for all pressures, temperatures and gases. The Type 430 split rider ring is recommended unless the ring travels out into the counter bore area. Side and face grooves can be added to ensure the rider ring does not act as a piston ring. The large surface area would generate significant frictional heat. Therefore grooves are necessary to prevent the ring from sealing. The split rider is available in step, angle or butt cut design.
1 piece Butt Cut Rider Ring
Cylinder/ Rod Diameter
Throughout the Specialty Gas industry AVA5015, is recognized as the finest material available for use in Oxygen and Argon service. It was specifically developed for Oxygen bearing gases. No other product comes close to the wear properties exhibited by this patented Teflon® blend. The proprietary fillers in AVA5015 form a surface film with excellent frictional characteristics. This film increases the life of the sealing ring three to five times that of other filled Teflon®.
The specific percentage and type of filler, as well as particle size, molding procedures, and sintering cycles are critical to the development of the surface film.
When combined with the PBU pressure balanced piston ring & packing designs, AVA5015. significantly reduces surface generated frictional heat. Every major specialty gas manufacturer has verified the performance of this unique material over any products available on the market today. Specific application performance data can be obtained on request.
Substitute materials have been offered for use in Oxygen or Argon applications, resulting in reduced ring life. The glass/moly filled and straight glass filled Teflon® exhibit 1/2 to 1/3 the seal life when substituted for the AAVOLYN product. Once the AVA5015 seals seat after installation, wear rates drop substantially. This proprietary material eliminates wear on the sealing surfaces such as piston grooves, cylinder walls and piston rods & limits ring wear.
Recommended Usage: Oxygen, Argon, Air Though out the Specialty Gas Industry AVA5015 is recognized as the finest material available for Oxygen service.
Teflon® PTFE is a trademark or registered trademarks of E. I. du Pont de Nemours and Company or its affiliates. All rights reserved.
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