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Lovejoy Grid Couplings

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Lovejoy Grid Couplings are designed for versatility. Common hubs and grids are used within a given size range for both horizontal and vertical split cover models. Lovejoy grid couplings feature ease of installation and replacement at a fraction of the complete coupling cost.

Lovejoy grid couplings are made from high tensile alloy steel and the grid spring is carefully formed to shape, then hardened and tempered under controlled conditions. In addition, the grids are shot-peened, which compresses the surface molecules and leaves a residually stressed surface. This process creates a stronger surface in compression.

Any load applied on the Lovejoy grid coupling in operation has to overcome the compressive forces created by peening before the tensile stress reaches the grid. This feature translates into a dramatic increase in rating over other coupling types, increasing reserve strength for longer life and, in addition, may Lovejoy Grid Couplingsallow for the selection of a smaller, less costly coupling. Lovejoy grid couplings are torsionally flexible and resilient with vibration reduced by up to 30%, plus cushion shock loads safeguard driving and driven equipment. The flexible nature of the spring-like grid absorbs impact energy by spreading it out over time, thus reducing the magnitude of the peak loads. This is possible because of the progressive contact that occurs between the curved profile of the hub teeth and the flexible grid. Therefore, as the load increases, more of the tooth comes into contact with the grid, thus supplying superior protection and supreme performance.

Other features and benefits of Lovejoy Grid Couplings are quick installation and easy maintenance which leads to reduced labor and downtime costs. Lovejoy Grid Couplings are fully interchangeable with industry standard couplings, and are available with both metric and imperial size cover fasteners. Lovejoy grid couplings are made with high tensile, shot-peened alloy steel grids and precision machined hubs which lead to superior performance and long life.

Lovejoy Grid Coupling Styles

Lovejoy Horizontal Split Cover Grid CouplingLovejoy Horizontal Split Cover Grid Coupling

The Lovejoy horizontal split cover grid coupling is ideal for limited space applications. The design of the Lovejoy horizontal split cover grid coupling allows easy access to grid and is well-suited for reversing service. The Lovejoy horizontal split cover grid coupling is manufactured from die-cast aluminum.

Lovejoy Vertical Split Cover Grid CouplingLovejoy Vertical Split Cover Grid Coupling

The Lovejoy vertical split cover grid coupling's design makes it ideal for higher operational speeds (higher RPM limit). The Lovejoy vertical split cover grid coupling is manufactured from stamped steel.

Lovejoy Spacer Style Grid CouplingLovejoy Spacer Style Grid Coupling

The Lovejoy spacer style grid coupling is ideal for pump applications and its drop-out section allows for pump servicing. The Lovejoy spacer style grid coupling is used only with horizontally split cover and is available in stock for sizes 1020-1090.