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Since our founding in 1973, Portland Valve (PV) has been a contractor to the US Navy and a major subcontractor to public and private ship yards, Naval Inventory Control Point (NAVICP), Defense Logistics Agency (DLA), Regional Maintenance Centers (RMCs), Defense Industry Supply Centers (DISCs), Original Equipment Manufacturers (OEMs) and Master Ship Repair Contractors.  For over 30 years Portland Valve products have been put to the test in every ocean of the world, under the most severe conditions. 

Portland Valve products include valves, actuators, components, sub-assemblies and fabrications, which are primarily installed on U.S. Navy ships. PV also manufactures products for Army systems and various commercial applications including power generation, aircraft, electronics, oil & gas and commercial shipbuilding industries.  With over 45,000 square feet of state-of-the-art manufacturing facilities located in South Portland, Maine, Portland Valve has the ability to handle an abundance of projects simultaneously. 

Our capabilities include close tolerance precision machining, testing, welding, fabrication, service and refurbishments. With a full complement of state-of-the-art CNC machinery we are able to manufacture components up to 65 inches in diameter, from carbon steel to specialty metals and alloys, including: Bronze, Inconel, Monel, Stellite, Copper Nickel, and Titanium.  Portland Valve also has the capability to design and assist in the development of high precision products for specific customer applications in a wide variety of industries, with machining capability limits that are next to none. 

The Portland Valve Quality System, welding and non-destructive testing are in accordance with military standards and NAVSEA technical publications. 


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