TECHNICAL LIBRARY
Reference tables, compliance documents and procedures, measured, written and maintained by the shop that builds the machines. Linked from the parts they cover.
TECHNICAL LIBRARY
Cryogenic Relief Valve Selection: Set Pressure, Seal Material, and When ASME Is Required
Four relief valves protect an N.B. Oler hydrocarbon system, and they are not interchangeable. How to choose each one ...
09.25.2026
TECHNICAL LIBRARY
Certifications and Compliance
ASME U stamp and National Board registration, 84 third-party engineering reports, six Canadian CRNs, and the seven-st...
09.17.2026
TECHNICAL LIBRARY
Selling into Canada, CRN Registration
Canadian jurisdictions require a Canadian Registration Number before a pressure vessel can be installed. N.B. Oler ho...
09.17.2026
TECHNICAL LIBRARY
ASME vs. Non-ASME Extraction Equipment: What Owners and Operators Need to Know
Not all extraction equipment is equal, and in most states the difference is the law. What the ASME U stamp and Nation...
03.23.2026