Skip to content


We operate primarily in two industry groups, Heating, Ventilation and Air Conditioning (HVAC) and Construction Products. 

Global Flow Products dba American Wheatley HVAC Products brings 40 years’ experience providing American Wheatley HVAC branded products, including a broad line of ASME pressure vessels, custom fabricated products, valves, strainers and other hydronic accessories, for discerning commercial HVAC customers.  GFP has shown consistent service to its customers focusing on quality and accreditations.

Our five acre, 38,000 square foot facility, in Broken Arrow, Oklahoma, offers a wide array of standard and custom fabrication capabilities meeting stringent requirements.   American Wheatley HVAC Products manufactures pressure vessels and other customer products to the latest A.S.M.E standards. Holding “U”, “UM” and “S” Certificates of Authorization, as well as the National Board Certifications of Authorization (R Stamp).  The “U”, “UM”, and “S” stamps assure the highest standards of quality.