Oklahoma Specialties, Inc. is a chief manufacturer of hot forged transition nozzles (swages) for box headers on air coolers. Our transition nozzles can be stock-ordered or custom made to fit any unit and are offered in a variety of materials such as chrome alloy, nickel alloy, Inconel, and titanium.   

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Transition Nozzle (Swages).     From 2" to 16"  / Sch 80, 100, 140, 160

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