Accredited by the American Society of Mechanical Engineers (ASME), Graycor performs construction of boilers, pressure vessels and power piping systems under ASME’s “S,” “U” , “PP” and "R" certificates of authorization. Graycor’s Quality Group has established a quality program for the shop and field repair, and alterations of pressure vessels, boilers and power piping that meets the requirements of the ASME Boiler and Pressure Vessel Code Section I, Section VIII, Division I and ASME B31.1. Repairs are performed in accordance with the National Board of Pressure Vessel Inspectors “R” certificate of authorization.

ASME/National Board Approved Quality Control Program Stamps

U = Pressure Vessels

S = Power Boilers

PP = Power Piping

R = Repair and/or alteration of pressure vessels, power boilers and power piping