What Information is Typically Found on a Hyperbaric Chamber Data Plate?

If you're managing a hyperbaric oxygen therapy (HBOT) program, understanding the specifications listed on a hyperbaric chamber's data plate is essential for ensuring safe and compliant operations. Every chamber must display a data plate that provides key technical information — from manufacturing details to maximum allowable pressure limits. Below, we break down the critical elements typically found on a hyperbaric chamber data plate (see example image).

• Manufacture Date: The date the chamber was constructed or certified.

• Manufacturer: The name of the company that built the chamber and its location.

• Model Number: The specific model identification for the chamber.

• Serial Number: A unique identifier for tracking and records.

• National Board (NB) Symbol: Symbol indicating that the chamber has been registered with the National Board of Boiler and Pressure Vessel Inspectors and meets specific safety and inspection standards for pressure vessels.

• Unfired Pressure Vessel Symbol (ASME "U" Stamp): Indicates that the chamber meets the American Society of Mechanical Engineers (ASME) standards for unfired pressure vessels.

• Maximum Allowable Working Pressure (MAWP): Indicates the highest pressure the chamber is designed to safely operate at, usually expressed in pounds per square inch (PSI) or atmospheres (ATA).

• Minimum Design Metal Temperature (MDMT): Indicates the lowest temperature at which the materials used in the chamber's construction can safely operate without compromising their structural integrity.

• Operating Temperature Range: The safe range of temperatures for the chamber’s operation.

• Canadian Registration Number (CRN): A unique identifier assigned to pressure vessels, including hyperbaric chambers, indicating the chamber has been approved for use in Canada.

Familiarity with your chamber’s data plate isn’t just a regulatory checkbox — it’s a critical part of maintaining patient safety, protecting your equipment, and ensuring operational readiness. Always ensure that the specifications on the plate match your chamber’s certification and maintenance documentation, and reach out to your manufacturer if questions arise.

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