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'U' and 'R' Stamp

HETSCO, Inc. is accredited and authorized by the American Society of Mechanical Engineers (ASME) to hold the "U" Stamp and "R" Stamp for the manufacture and repair of unfired pressure vessels. For any pressure vessel stamped with either of these stamps signifies strict compliance with all provisions of construction and repair as designated by the ASME. Copies of Stamps held by HETSCO, Inc. appear below:

View "U" Stamp

View "R" Stamp

View "U" Stamp Certificate of Authorization