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Aavolyn # 55-43901-956, AVA56 TY430 Butt Cut Rider Ring
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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 PTFE 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
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