
Certifications That Deliver the Best Products and Equipment






Quality Management Systems Start with Industry Certifications
The certification of pressure vessels in accordance with ASME Section VIII, Division 1 with U and UM R PP Certificates of Authorization.
The certification of pressure vessels in accordance with the European Pressure Equipment Directive (PED) using ASME Section VIII, Division 1 for design.
The certification of repairs and the alterations to pressure vessels in accordance with National Board Inspection Code (NBIC) with R Certificate of Authorization.
In-house Material and Weld Inspection Processes
- XRF Analyzer for Positive Material Identification (PMI)
- Conventional & phased array ultrasonic flaw detection
- Magnetic particle inspection
- 5 AWS Certified Weld Inspectors (CWI)
- Liquid dye penetrant inspection
- Radiography (subcontracted)
- Borescope inspection of process tubing and vessels
- Portable FaroArm Inspection
- CMM Inspection
- UT Inspection
Inspection Equipment & Checks
To ensure 100% customer satisfaction and quality, we take inspection seriously. Beyond ongoing inspections of welding and in-process checks, we have a dedicated part of the shop designed for ensuring accuracy and product quality.
Coordinate Measuring Machine
- (1) Sheffield Cordax RS-170DCC CMM X = 60.00in, Y = 69.00in, Z = 48.00in, table area 62.00in x 70.00in Work load 10,000lbs
- (2) Faro arm Platinum unit, 4 foot arm (8 foot diameter envelope)
Hardness testing
- (1) Wilson #4 Rockwell hardness tester
X-Ray Fluorescent (XRF) Analyzer
- (1) Thermo Scientific Niton Handheld X-Ray Fluorescent (XRF) Analyzer (PMI) Positive Material identification
UT (Ultrasonic Flaw Detector)
- (1) Olypmus Omniscan MX with Phased Array Module
MT (Magnetic Particle Inspection)
- (1) Parker Research hand held
Pneumatic hydro test unit
- (1) Barbee 10,000 PSI (1) Barbee 3,000 PSI

You guys do spectacular work such perfectly polished seams! Thank you for getting it overnight-ed to me. Anderson Dahlen is first on my list to get the special things done from here on out. Tim, Wonder Works Unlimited
Thank you to you and your team who assisted me during my visit. Both the customer and I were hugely impressed with everything from start to finish. The actual FATs were one of the smoothest that I have experienced in 20 years. I look forward to working with you in the future. Martin Kelly, Thermo Fisher
We want to let you know how much Brian and I appreciate you, Greg, Nathan, and the rest of the Anderson Dahlen team for helping us to complete the test assembly and collect the test data on time during our visit. Your help truly exceeded our expectations. We thank you for showing us your manufacturing plants. Vincent Lee, Plasma-Therm NES
Thank you to Gary and the fabricators who helped us remove the scratch and refinishing our aluminum part. You saved us a ton of time and kept us on track for an on time delivery to our customer. We definitely owe you one! Clint Bitterman, VP-Co Owner of Master Tool & Mfg Inc.
Their willingness to spin a large part well off axis made it possible. Their attention to detail made it a success. Equally praiseworthy is their communication during the manufacturing process, assuring the best part. John Rogers, Engineering Technician Lead, University of Washington Dept. of Aeronautics & Astronautics