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Clamps are used to hang fixtures from pipe.
The Mega-Clamp is the world’s new standard theatrical lighting C-Clamp. The Mega-Clamp is created from high tensile, aircraft grade, extruded aluminum; so it’s both stronger and lighter than cast iron clamps. The Mega-Clamp’s safety factor far exceeds industry standards, breaking at over 2-1/2 tons at an independent testing laboratory. It is half the weight and twice as strong as most cast iron clamps.
The solid one piece clamp body is designed to grip pipe with its micro grooves, and will not “rock” when making adjustments to the light fixture. The Belleville spring washer has 600# of spring load when compressed. This spring pressure keeps the fixture from drifting after making small pan adjustments to the light fixture. Just grab the fixture by the top of the yoke and twist to pan the fixture. Usually, you will not need to use your wrench to tighten the pan bolt; the fixture will stay securely held.
The Mega-Clamp fits from 1" pipe to 2" pipe sizes (1-1/4" OD to 2.375" inch OD tubes.)
To avoid breakage, do not use excessive force when tightening screws or bolts. Do not use any broken, cracked or worn out items.