19 Mar 2025

🚛Request for Feedback on PRDs for Composite Overwrapped Pressure Vessels

Hazardous Materials: Request for Feedback on Determining the Effectiveness of Pressure Relief Devices (PRDs) on Composite Overwrapped Pressure Vessels (COPVs)

Summary

PHMSA is publishing this notice to solicit information to evaluate the test design for proposed bonfire tests on fully charged composite overwrapped pressure vessels (COPVs) with different pressure relief devices; seek input on how test results could inform design guidelines for COPVs; and solicit feedback on the impacts of possible updates for design guidelines.

Agencies

  • Transportation Department
  • Pipeline and Hazardous Materials Safety Administration

Business Impact ?

$$ - Med

The document outlines a request for feedback on proposed tests for pressure relief devices (PRDs) used in composite overwrapped pressure vessels (COPVs), which could result in updated design guidelines impacting compliance for businesses involved in transport and storage of hazardous materials. Companies may need to adjust practices or incur costs associated with implementing new regulatory requirements.

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