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OS&Y Fire Sprinkler Riser Valve Overview and Test
Автор: kcin556
Загружено: 2016-05-26
Просмотров: 33288
Описание:
1977 6" OS&Y type fire sprinkler valve manufactured by Traverse City Iron Works. This was removed from a carpeting store in the mid-1990's.
As always, don't tamper with life safety systems in real facilities. Enjoy!
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