Professional Rigging Clamp Knowledge Center
Extra Heavy-Duty 2-Inch Clamp.
Built for Large Fixtures and Demanding Rigging.
The EVT50C-BEHDC is an extra heavy-duty coupler clamp designed for 48–51 mm tubing. It includes an M12 attachment bolt and is intended for large moving heads, heavy fixtures, professional staging, and demanding rigging installations.
Product Facts
Product Overview
High-Capacity Fixture Support for Standard 2-Inch Truss Chords.
The EVT50C-BEHDC combines a heavy-duty aluminum clamp body, 48–51 mm tube range, M12 attachment point, black powder-coat finish, and a listed load capacity of 1,653 lb / 750 kg.
Common Applications
Designed for Heavy Fixtures and Professional Installs.
Who It’s For
Built for Professional Lighting and Rigging Crews.
Product Features
Heavy-Duty Construction. Compact Professional Hardware.
Technical Reference
Complete Product Specifications
Identification
Product Details
Fit and Capacity
Clamp Performance
Construction
Materials and Finish
Use and Handling
Operational Details
Tube Compatibility
Fits 48–51 mm Round Truss Chords and Tubing.
Confirm the actual outside diameter of the supporting tube and verify that the fixture attachment is compatible with the included M12 bolt.
Installation Overview
Confirm Tube Size. Secure the Fixture and Add a Safety.
Inspection and Maintenance
Inspect Before Every Use. Remove Damaged Clamps from Service.
Safety and Load Use
The Listed Clamp Capacity Does Not Replace System Engineering.
The actual allowable fixture load is limited by the lowest-rated component in the complete assembly, including the truss, tube, clamp, attachment bolt, fixture yoke, secondary retention, and supporting structure.
Product Questions
Frequently Asked Questions
What tube size does the clamp fit?
It fits round tubing from 48 mm through 51 mm, including standard 2-inch / 50 mm truss chords.
What is the listed load capacity?
The listed load capacity is 1,653 lb / 750 kg. The complete assembly must still be limited by its lowest-rated component.
Is the attachment bolt included?
Yes. An M12 attachment bolt is included.
What is the clamp made from?
The clamp uses a heavy-duty aluminum body with black powder-coat finish and corrosion-resistant hardware.
What fixtures is it intended for?
It is intended for large moving heads, heavy fixtures, professional staging, and demanding rigging installations.
Does a suspended fixture still need a safety cable?
Yes. Use an independent approved secondary-retention device whenever required by the fixture manufacturer, venue, code, or installation plan.
Need the correct clamp for your fixture and truss?
Contact us for clamp selection, fixture compatibility, truss matching, rigging guidance, CAD resources, and quantity pricing.
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