ULC C525-1975
Guide for the Investigation of Flame Arresters for Use on Vents of Storage Tanks for Petroleum Oil and Gasoline

Standard No.
ULC C525-1975
Release Date
1975
Published By
Underwriter Laboratories of Canada (ULC)  CA  /  ULC
Latest
ULC C525-1975
 

Introduction
This technical specification outlines comprehensive guidelines for evaluating flame arrestors specifically designed for vent ports on oil and gasoline storage tanks. The document provides detailed methodologies for assessing the performance and safety characteristics of these devices under various operational conditions. It addresses critical factors such as resistance to flame propagation, pressure drop, and durability in hazardous environments where volatile fuels are stored. The content focuses on test procedures and acceptance criteria to ensure that flame arrestors effectively prevent external ignition sources from entering the tank and causing internal explosions or fires. Emphasis is placed on rigorous experimental setups that simulate real-world scenarios to verify the reliability of the equipment. The guidelines serve as a reference for manufacturers, inspectors, and regulatory bodies involved in the design and certification of storage facility safety components. By adhering to these protocols, stakeholders can ensure that ventilation systems maintain adequate protection against fire hazards while allowing necessary airflow for tank ventilation. The text does not discuss the historical context or the specific organizational role in creating the document, but rather concentrates on the technical requirements and testing framework itself.

ULC C525-1975 history

  • 1975 ULC C525-1975 Guide for the Investigation of Flame Arresters for Use on Vents of Storage Tanks for Petroleum Oil and Gasoline

Standard and Specification




Copyright ©2026 All Rights Reserved
Update: Sun, 12 Jul 2026 05:27:00 +0000