AVCA3 Continuous acting air vent. Air vent/Vacuum relief, exhausts large volumes of trapped air from pipelines. It provides continuous air release during system operation. standard 2", 3" and 4" NPT for ease of installation. To view more products like this please visit http://www.xcadusa.com/
Great Helm Pembridge Style c. 1350 By the end of the fourteenth century, the helm was worn only during the tournament, having been replaced on the battle field by the smaller, visored bascinet. Made of sixteen gauge steel.