The Caldwell Model 20-3-3 Low Headroom Lifting Beam is a below-the-hook lifting device engineered specifically for crane and hoist applications where vertical clearance between the crane hook and the load is restricted. In standard lifting configurations, the combined height of the rigging assembly — including slings, shackles, and the hook — can consume significant headroom, limiting the usable lift height in facilities with low ceilings, mezzanines, process equipment, or other overhead obstructions. The low headroom design of the Model 20-3-3 minimizes the vertical distance between the crane hook attachment point and the lower load attachment points, maximizing the available lift height within the facility's structural constraints.
The lifting beam provides a rigid structural member that connects the single upper crane hook attachment to one or more lower load attachment points, distributing the load and maintaining a controlled lift geometry. This rigid beam configuration eliminates the inward compression forces on the load that would result from sling-based rigging in a bridle configuration, making it well suited for lifting structurally sensitive loads, long or wide loads, or loads with specific attachment point requirements where both headroom and load integrity are critical considerations.
As a Caldwell product, the Model 20-3-3 is built to the dimensional and performance standards associated with the Caldwell line of below-the-hook lifting devices. It should be used only within its rated working load limit and operated in accordance with Caldwell's specifications and applicable below-the-hook lifting device standards including ASME B30.20.
Material: Steel alloy
Compatible With: Overhead crane and hoist systems rated to meet or exceed the Model 20-3-3 working load limit Slings, shackles, and rigging hardware rated to meet or exceed the working load limit Facilities with restricted headroom where standard rigging assemblies would limit usable lift height
Uses: Lifting operations in facilities with low ceilings, mezzanines, or other overhead clearance restrictions Applications requiring maximized lift height within limited headroom constraints Two-point or multi-point load lifting with a rigid beam to eliminate sling compression forces Structurally sensitive, long, or wide load lifting requiring controlled lift geometry
Key Features: Low headroom design minimizes vertical rigging height to maximize usable lift height in restricted clearance environments Rigid beam construction eliminates inward compression forces on the load Suitable for facilities with restricted overhead clearance Controlled lift geometry for structurally sensitive or dimensionally challenging loads Built to Caldwell's below-the-hook lifting device standards Model 20-3-3 designation within the Caldwell low headroom lifting beam series
Note: Specifications including working load limit, beam length, lower attachment point configuration, and compatible rigging hardware details should be confirmed against the official Caldwell product catalog or manufacturer documentation prior to ordering. The lifting beam must only be used within its rated working load limit and operated in full accordance with Caldwell's instructions and applicable lifting device safety standards.
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