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Contact: Tracy Meister
Contact Ph: 763-506-8800
Email: secoaweb
http://www.secoa.com/secRigging_Theatrical.cfm
May 4, 2010
SECOA's THEATRICAL CHAIN (STC) IS PUT TO THE TEST AND PREVAILED!
CHAMPLIN, Minnesota
At the USITT conference in March, Delbert L. Hall, Ph.D. performed a destructive test on trim chains. The STC test consisted of a single piece of STC trim chain terminated with a 3/8" shackle in a single load path. At 14,000+ lbs., the STC "stretched but did not break," whereas the other chains tested, failed at one half the breaking strength of the STC in a double load path configuration.
The STC is specifically designed for use in overhead lifting applications for the theatrical industry. This chain complies with OSHA 1910.184(e)(5) Sling use. It has the same link size as standard 1/4" grade 30 Proof Coil chain and easily works with existing 1/4" chain hardware. The STC chains ultimate tensile strength is two and a half times the strength of a standard 1/4" Proof Coil chain. Its working load limit is 3,250 lbs.
Rugged, safe, versatile, and low weight, describe just a few of the features of the STC. It is lot traceable with every tenth link coded with a date stamp for quality assurance. The STC is proof tested and easily identifiable in the field.
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