Features : Standard disc couplings - no lubrication Theory of Operation: Transmits torque through thin scalloped flexible disc pack Available from shelf for immediate shipment Designed to meet API 610 Close coupled and spacer style Custom-design available, contact Kop-Flex® Industries: Petrochemical Refinery Paper mills Steel mills Water treatment plants Rubber mixer Power generation Applications: Pumps Boiler feed pumps Compressors Calender, couch, wire turning, and other roll drives Generators Theory of Operation: Transmit torque through flexible, stainless steel disc packs instead of gear teeth. Compensate for misalignment by deflection of disc packs instead of gear teeth. No wearing parts - flexing instead of sliding. Kop-Flex® design is a pack design with no loose discs to lose.