C

flow measurement equipment; namely, orifice flanges, corner taps, orifice plates, meter run tubes, flow nozzles, venturis, low loss venturi, straightening vanes, leveling saddles orifice well testers, bleed rings, spectacle blinds and paddle blinds condensate chambers, restriction unions, orifice holding blocks, orifice plate carrying cases and RTJ (ring-type joint) plate holders