Design and Process Patents Minimize Valve Leakage Caused by Higher Vibration Combustion Environments MONTVILLE, N.J.--(BUSINESS WIRE)--Today, Marotta Controls, a rapidly growing aerospace and defense ...

HII has announced that shipbuilders at its Newport News Shipbuilding (NNS) division have successfully installed the first valve manifold assembly created by 3D Printing (additive manufacturing) on a ...