Since 1986, Alabama Heat Exchangers has built its reputation on quality. Our certifications and quality program give you confidence that every heat exchanger and pressure vessel we build or repair meets code.
ASME U stamp
We fabricate heat exchangers, pressure vessels and other process equipment in accordance with the latest requirements of the ASME Boiler and Pressure Vessel Code and mark them with the ASME U stamp.
NBIC R stamp
Our repair work meets the requirements of the National Board of Boiler and Pressure Vessel Inspectors and is marked with the NBIC R stamp. The R stamp allows us to perform code repairs, alterations and re-rates on pressure equipment.
HTRI membership and TEMA standards
As an HTRI member, we use industry-leading thermal design software, and we follow TEMA standards to guide our shell and tube heat exchanger builds.
Qualified welding
All welding procedures and welders are qualified to ASME Section IX.
Our quality control program
Our QC department works closely with every part of the process, from the end user to the shop floor and the Authorized Inspector. Every weld, every flange and every drawing gets another set of eyes before equipment leaves our shop.
Safety
Our shop operates under OSHA safety requirements, and our team trains regularly in fire and safety programs.
Frequently asked questions
The ASME U stamp certifies that a pressure vessel or heat exchanger was designed, fabricated, inspected and tested in accordance with Section VIII, Division 1 of the ASME Boiler and Pressure Vessel Code by an ASME-certified manufacturer.
The R stamp is issued by the National Board of Boiler and Pressure Vessel Inspectors. It authorizes an organization to perform repairs and alterations on code pressure equipment in accordance with the National Board Inspection Code.
Code stamps show that a fabricator’s quality system, procedures and personnel have been reviewed and certified, and that equipment is inspected by an Authorized Inspector. Many jurisdictions and insurers require stamped equipment.