The difference between the U designation and the UM designation is related to size. However, this is not the only difference between the two. UM designated pressure vessels are not...
Read MoreJoint Review Information
Joint Review Information
The main question & most important question is, how can Pressure Vessel Manufacturers become Stamp Holders? Below you can find more in-depth info to what you will need and what to expect with a Joint Review. We know the process from beginning to end can be a little confusing and stressful especially if this is your first Stamp, but we are here for you. Please feel free to ask us any questions or concerns you may have.
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- Two Phase Separators
- Gas Separator
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- Joint Review
- U Stamp
- UM Stamp
- PP Stamp
- S Stamp
- U2 Stamp

Home / Page Understanding ASMEĀ® Joint Reviews – Key Elements One of the most exemplary achievements a fabrication shop can attain is Certification, which indicates a level of quality that is superior to organizations with little or no documentation to prove their work...
- All
- API Tanks
- ASME
- Boiler
- Dehydration Unit
- Fabrication
- Gas Metering
- Hall of Fame
- Heat Exchangers
- Industry News
- NBBIC
- Oil and Gas
- Oil Treating
- Piping
- Production Drawings
- Production Units
- Repair and Alteration
- Separators
- Stamps
- Vessel Knowledge
- Videos
- Welding
- Back
- Shell and Tube Heat Exchangers
- Air-Cooled Heat Exchangers
- Compact Heat Exchangers
- Other Heat Exchangers
- Back
- Exploration
- Production
- Refining
- Back
- Sand Separators
- Three Phase Separators
- Two Phase Separators
- Gas Separator
- Magnetic Separators
- Liquid Separators
- Back
- Joint Review
- U Stamp
- UM Stamp
- PP Stamp
- S Stamp
- U2 Stamp

Applicant’s Guide for Certificates of Authorization Home / Page Applicant’s Guide for Certificates of Authorization Certification is a pinnacle achievement for fabrication shops, signifying a commitment to excellence and adherence to rigorous quality standards. This distinction sets certified shops apart from those lacking formal documentation, solidifying their reputation for producing...
- All
- API Tanks
- ASME
- Boiler
- Dehydration Unit
- Fabrication
- Gas Metering
- Hall of Fame
- Heat Exchangers
- Industry News
- NBBIC
- Oil and Gas
- Oil Treating
- Piping
- Production Drawings
- Production Units
- Repair and Alteration
- Separators
- Stamps
- Vessel Knowledge
- Videos
- Welding
- Back
- Shell and Tube Heat Exchangers
- Air-Cooled Heat Exchangers
- Compact Heat Exchangers
- Other Heat Exchangers
- Back
- Exploration
- Production
- Refining
- Back
- Sand Separators
- Three Phase Separators
- Two Phase Separators
- Gas Separator
- Magnetic Separators
- Liquid Separators
- Back
- Joint Review
- U Stamp
- UM Stamp
- PP Stamp
- S Stamp
- U2 Stamp

Home / Page Applicants Requesting; New, Multiple, or Renewal Certification There are also a lot more questions you may have like, what is the Pressure Vessel certification process? Pressure Vessel manufacture certification is the same as the Authorization for the ASMEĀ® Stamp. The Pressure Vessel manufacturers can implement the Quality...
- All
- API Tanks
- ASME
- Boiler
- Dehydration Unit
- Fabrication
- Gas Metering
- Hall of Fame
- Heat Exchangers
- Industry News
- NBBIC
- Oil and Gas
- Oil Treating
- Piping
- Production Drawings
- Production Units
- Repair and Alteration
- Separators
- Stamps
- Vessel Knowledge
- Videos
- Welding
- Back
- Shell and Tube Heat Exchangers
- Air-Cooled Heat Exchangers
- Compact Heat Exchangers
- Other Heat Exchangers
- Back
- Exploration
- Production
- Refining
- Back
- Sand Separators
- Three Phase Separators
- Two Phase Separators
- Gas Separator
- Magnetic Separators
- Liquid Separators
- Back
- Joint Review
- U Stamp
- UM Stamp
- PP Stamp
- S Stamp
- U2 Stamp

Home / Page Pre-Joint Review Checklist: The following is a list of items to verify prior to the Pre-Joint Review Audit. Please be advised that this list is general and does not cover all areas in detail. Download or Print the PDF for future use. Download Print 1. Verify that...
- All
- API Tanks
- ASME
- Boiler
- Dehydration Unit
- Fabrication
- Gas Metering
- Hall of Fame
- Heat Exchangers
- Industry News
- NBBIC
- Oil and Gas
- Oil Treating
- Piping
- Production Drawings
- Production Units
- Repair and Alteration
- Separators
- Stamps
- Vessel Knowledge
- Videos
- Welding
- Back
- Shell and Tube Heat Exchangers
- Air-Cooled Heat Exchangers
- Compact Heat Exchangers
- Other Heat Exchangers
- Back
- Exploration
- Production
- Refining
- Back
- Sand Separators
- Three Phase Separators
- Two Phase Separators
- Gas Separator
- Magnetic Separators
- Liquid Separators
- Back
- Joint Review
- U Stamp
- UM Stamp
- PP Stamp
- S Stamp
- U2 Stamp

AIA Organizations Holding Certificates Of Accreditation (AIA) From The American Society Of Mechanical Engineers This list is not to be considered an official listing of holders of AIA Certificates. AIA firms change frequently, and this list is updated frequently to stay on top of the changes. Your due diligence in...
- All
- API Tanks
- ASME
- Boiler
- Dehydration Unit
- Fabrication
- Gas Metering
- Hall of Fame
- Heat Exchangers
- Industry News
- NBBIC
- Oil and Gas
- Oil Treating
- Piping
- Production Drawings
- Production Units
- Repair and Alteration
- Separators
- Stamps
- Vessel Knowledge
- Videos
- Welding
- Back
- Shell and Tube Heat Exchangers
- Air-Cooled Heat Exchangers
- Compact Heat Exchangers
- Other Heat Exchangers
- Back
- Exploration
- Production
- Refining
- Back
- Sand Separators
- Three Phase Separators
- Two Phase Separators
- Gas Separator
- Magnetic Separators
- Liquid Separators
- Back
- Joint Review
- U Stamp
- UM Stamp
- PP Stamp
- S Stamp
- U2 Stamp

USA State Jurisdictions Information The following information is intended to help Manufactures with Jurisdictional knowledge, rules, regulations and the information you need We do our best to stay up to date with this information, but things change regularly; please use due diligence and give the chief a call to verify...

Pressure Vessel & Boiler Stamp Information
Navigating the Complexities of Multiple ASMEĀ® Stamp Certificates of Authorization
Obtaining and maintaining multiple ASMEĀ® Stamp Certificates of Authorization (COAs) can be a complex endeavor for manufacturers and fabricators. This blog post will delve into the challenges and strategies associated...
Read MoreApplicant’s Guide for Certificates of Authorization
Certification is a pinnacle achievement for fabrication shops, signifying a commitment to excellence and adherence to rigorous quality standards. This distinction sets certified shops apart from those lacking formal documentation,...
Read MoreASME Applicants Requesting; New, Multiple, or Renewal Certification
Applicants for new issuance or renewal of an ASMEĀ® Certificate(s) of Authorization should be aware that the Joint Review will require implementation and demonstration of their Quality Control Program. The...
Read MorePre-Joint Review Checklist
Go into your Joint Review with confidence. Use our Pre-Joint Review checklist to help determine if you have what you need or just get you on the track.Ā
Read MoreU2-Stamped Pressure Vessels: A Focus on Repair and Alteration
A U2-Stamp is a certification mark issued by the National Board of Boiler and Pressure Vessel Inspectors (NBBPVI). It authorizes a manufacturer to repair and alter existing pressure vessels and...
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