Profile: A P V Mfg. & Engineering Co., Inc is into welding of super alloys such as Invar, Hastalloy, Inconel and titanium, magnesium, copper, aluminum, stainless steel and carbon and steel. We supply ground support equipment, automated test equipment (ATE), tooling, fixtures, fuel tanks, pressure vessels, mechanical assemblies, hydraulics assemblies, pneumatic assemblies, electromechanical assemblies, cable assemblies. The TLDC-2000 is an innovative, safe and easy to use, Tank Leak Detection Cart. Initially intended for the detection of leaks in aircraft fuel tanks, the TLDC-2000 is also used in the detection of leaks in sealed vessels of all types. The COP Gage is used to inspect large optic lenses and mirrors. This highly precise machined weldment is made of super Invar alloy. All super Invar alloy components were manufactured by APV.