Our ASME Code products are produced in accordance with the requirements of the ASME Boiler and Pressure Vessel Code. We manufacture a full-line of tank components at our 120,000 sq. ft. facility in Traverse City, Michigan. We offer high quality, experience, technology and know-how. We pay attention to detail and this coupled with our vast experience makes a “one-stop” shop for manufacturers and distributors of vacuum equipment. ASME Code Products: • Manways • Portals • Shutoffs natvac.com National Vacuum Equipment Locations in Michigan & Texas MADE IN THE USA 800-253-5500 | 800-998-6834 FAX | [email protected] ASME Code Products Manways and shutoffs are manufactured in aluminum, carbon steel and stainless steel. ASME Manways ASME Shutoffs