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Distributor of Forged Transition Nozzles

Oklahoma Specialties, Inc. (OSI) has been meeting forging needs with superior quality for over twenty years. OSI has been a chief manufacturer of hot forged transition nozzles (also known as a “swage”) for box headers on air coolers since 1996. A transition nozzle allows the width of the header to be shortened. By doing so…

Oklahoma Specialties

Sales Agreement with Oklahoma Specialties

Oklahoma Specialties would like to thank you for your support over the years. We have enjoyed great success with all of you over the years and are truly blessed to have made friendships with many of you over this time. At this time O.S.I. would like to announce the decision to take a different approach to…