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Piping Systems Unique Solutions Grooved End Technology Green Building Safety Compressed Construction Schedules Engineering Design Benefits Seismic Testing Advanced Groove System (AGS) Victaulic couplings successfully pass independent seismic testing program   Victaulic couplings were tested at the ATLSS center, a member of the nationally recognized NEES (Network for Earthquake Engineering Simulations) testing group, to prove the reliability of Victaulic grooved system components when exposed to seismic movements. Victaulic couplings ranging in size from 4"-16" (100 - 400mm) were exposed to accelerations up to 50% greater than the Northridge, California earthquake. The water-filled assemblies were pressurized to 200psi/1375 kPa for the duration of all tests and no pressure loss or leakage was noted during any of the tests.   Seismic Test Loop Details of the testing program are available in publication 26.13.   To view design data for seismic application of Victaulic Grooved Systems request publication 26.12.    View the videos of the individual seismic tests by selecting from the links below.   4"/100mm Seismic Test   8" /200mm Seismic Test   16"/400mm Seismic Test   16"/400mm Northridge Earthquake Simulation Seismic Swing Joint