Techno Castings supplies Gray Cast- Iron Globe Valves. Techno Castings has been assigned with D&B D-U-N-S Number 65-006-6108. Techno Castings manufactures Graded Cast Iron Castings, Alloy Castings and S G Iron [Nodular Iron] Castings. Gray Cast- Iron Globe Valves find applications in chemical plants. A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally spherical body