Standard for Prevention of Sulfur Fires and Explosions
The next edition of this standard is now open for Public Input (formerly proposals).
What is NFPA 655?
This standard establishes requirements to eliminate or reduce explosion and fire hazards encountered in the crushing, grinding, and pulverizing of bulk and liquid sulfur, and to the safe handling of sulfur in any form.
Official document scope
What does NFPA 655 address?
Criteria provide safety guidance on handling sulfur in bulk, handling liquid sulfur at normal handling temperatures, handling liquid sulfur and sulfur vapor at temperatures above 309 F (154 C), fugitive dust control and housekeeping, training and procedures, and inspection and maintenance. NFPA 655 is to be used in conjunction with NFPA 654: Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and handling of Combustible Particulate Solids.
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