KOP-FLEX offers the widest selection of gear coupling products in the industry. Below are our gear coupling offerings. Each type of KOP-FLEX gear coupling provides specific features related to performance, interchangeability and price. Grid Couplings A grid coupling consists of two flanged hubs with slots or grooves in the flanges. These are connected by a serpentine mechanical flexible element. Disc Couplings These couplings are engineered to accommodate a broad range of demanding operating conditions for applications such as: • boiler feed pumps • centrifugal and axial compressors • generator sets • test stands • gas and steam turbines • marine drives