Graham Corporation maintains compliance with multiple quality programs to consistently meet customer requirements and expectations. Graham Corporation has been authorized by The American Society of Mechanical Engineers (ASME) and the National Board of Boiler & Pressure Vessel Inspectors while maintaining certification to (ISO) the International Organization for Standardization. Program certificates are as follows:
| Boiler & Pressure Vessel Codes | Designator | Certificate Number |
| ASME Section I | S | 4660 |
| ASME Section VIII, Div 1 | U | 79 |
| ASME Section III, Div1 - Class 2 & 3 | N | N-3663 |
| ASME Section III, Div1 - Class 2 & 3 | NPT | N-3733 |
| ASME Section III, Div1 - Class 2 & 3 | NA | N-3720 |
| ASME Section III, Div1 - Class 2 & 3 | NS | N-3897 |
| NBIC-Metallic Repairs & Alternations | R | R-2987 |
| NBIC-NB, ASME Stamp(s) S, U | NB | |
| NBIC-NB, ASME Stamp(s) N, NA, NS, NPT | NB |
*Nuclear Quality Program also meets ASME NQA-1, 10CFR50 App B, 10CFR21 and ANSI N45.2.
Manufacture License of Special Equipment (P.R. China)
A1 / A2 Pressure Vessels
Korea Gas Safety (KGS) - Certificate of Manufacture Registration
Pressure Vessels - Heat Exchangers, Drums
Ontario Professional Engineers Certificate
Graham Quality Manuals are available upon request at Contact Us.
