Products

JT Type Beam Clamp

It is also known as a girder clamp) is an industrial tool designed to create a secure anchor point on steel H or I beams for lifting, rigging, and support applications. Its name is derived from its design: a “J” shaped arm that wraps around the beam flange and a “T” shaped arm used for manual tightening to provide clamping force.

Key Features and Design

These clamps are engineered for high-demand industrial environments and focus on safety and durability.

Load Distribution: Many models, such as those from Jet Tools, feature jaws specifically designed to distribute the load away from the edge of the beam flange to prevent damage and increase safety.
Adjustability: They typically feature an adjustable jaw width to accommodate a broad range of standard beam sizes without the need for drilling or welding.
Material and Construction: Most are manufactured from high-quality alloy steel or heavy-duty welded steel with a powder-coat finish for corrosion resistance.

Common Applications

JT Type beam clamps are versatile tools used across several sectors:

Construction & Rigging: For quick mounting of hoists, chain blocks, or trolleys to overhead beams.
Industrial Maintenance: Suspending heavy equipment, motors, or machinery for easy access during repairs.
Infrastructure: Temporarily securing steel girders and supports during bridge or tunnel assembly.
Mechanical & HVAC: Supporting piping systems, ventilation ducts, and cable trays without

How to order:

JT Type Beam Clamps are primarily categorized by their Working Load Limit (WLL), which determines the maximum weight they can safely hold. Each capacity corresponds to a specific jaw opening range designed to fit various standard I-beam and H-beam flange widths.

Standard Capacity and Size Chart

Capacity (WLL)	Jaw Opening (Flange Width Range)	Approx. Net Weight
1 Ton (2,200 lbs)	75 mm – 220 mm (approx. 3″ – 8.6″)	3.8 kg – 4.5 kg
2 Ton (4,400 lbs)	75 mm – 220 mm (approx. 3″ – 8.6″)	4.9 kg – 5.2 kg
3 Ton (6,600 lbs)	80 mm – 320 mm (approx. 3.2″ – 12.6″)	9.2 kg – 10.0 kg
5 Ton (11,000 lbs)	80 mm – 320 mm (approx. 3.2″ – 12.6″)	11.0 kg – 11.8 kg
10 Ton (22,000 lbs)	90 mm – 320 mm (approx. 3.5″ – 12.6″)	17.2 kg – 17.5 kg

Selection Criteria for Common Sizes

When selecting a size, you must match the clamp to both the load and the beam dimensions:

Beam Flange Width: Ensure the beam’s width falls within the clamp’s minimum and maximum jaw opening.
Flange Thickness: Standard JT clamps typically accommodate flange thicknesses up to 25mm – 45mm(approx. 1″ – 1.75″), depending on the model.
Safety Factor: Most industrial clamps are designed with a 4:1 or 5:1 safety factor, meaning they are tested to several times their rated WLL to ensure reliability under stress.

Small-Scale “Junior” Sizes

For light-duty mechanical, electrical, or plumbing (MEP) support, smaller malleable iron beam clamps are used. These typically have:

Jaw Openings: 3/4″ (20mm) to 1″.
Threaded Hole Sizes: 1/4″-20, 3/8″-16, or 1/2″-13 for attaching threaded rods.
Load Capacities: 220 lbs to 500 lbs.