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Laminar Seal Rings A Smalley Laminar Seal Ring set is a metallic labyrinth seal consisting of multiple rings in a groove. The arrangement and the speciic orientation of the rings are dictated by the application and the severity of the environment. There are 16 series of standard imperial and Metric Laminar Seal Ring conigurations from which to select. 8 of these series are sets consisting of single-turn rings. The other 8 series are sets consisting of double-turn rings. Within each series are operational ring-set conigurations in both imperial and metric sizes. The selection of the appropriate set should be determined by the application. For some applications a complete labyrinth coniguration (i.e.; a complete labyrinth coniguration is one which has rings staggered within the set) is necessary due to a severe environment where contamination is highly probable. In other applications design engin rs can k p the groove dimensions minimal by specifying laminar sets with rings clinging either to the bore or to the shaft. Laminar Seal Rings Available From Stock Standard parts from 5/8 to 50 and 15 mm to 1,300 mm. Special seals manufactured with No-Tooling-Charges. Smalley’s Laminar Seal Rings are interchangeable with FEY Rings. INTERCHANGE LISTING SMALLEY FEY QH AS QHK ASK FK3 QS IS QSK ISK QHD ASD QHKD ASKD FK6 QSD ISD QSKD ISKD CONSULT SMALLEY ENGINEERING FK5 Advantages of Laminar Seal Rings