Certifications

Helfrich Brothers has achieved the following quality assurance codes and certifications:

American Society of Mechanical Engineers (ASME)
  • S Certificate of Authorization
  • H Certificate of Authorization
  • U Certificate of Authorization
  • PP Certificate of Authorization
National Board of Boiler and Pressure Vessel Inspectors
  • R Certificate of Authorization
  • NB Certificate of Authorization

Helfrich is also National Board Certified to ASME Section 8 Div 1; our welders and weld procedures are certified to ASME Section 9 and AWS D1.1 and D1.6; and we meet all standards for the Pressure Equipment Directive.