This course will explore the current state in 2021 of the use of antifreeze in water-based fire protection systems. The presentation will cover the reasoning for the current restrictions and use limitations of legacy antifreeze solutions. The presenter will review the three currently Listed antifreeze products, including the range of temperature usage and design/installation restrictions for each. The current sunset date of September 30, 2022 included in NFPA 25 for removal of Non-Listed antifreeze will be discussed along with potential upcoming changes that might modify these requirements in the next edition of NFPA 25.
Learning Objectives:
• Explain the reasoning for antifreeze restrictions in water-based fire protection systems
• Describe the restrictions on the use of propylene glycol and glycerin in existing systems, the sunset date for removal, and potential upcoming modifications
• Learn the available Listed antifreeze products currently available and understand their limits of use
• Understand the impact of lower temperature on the hydraulic calculations and flow of antifreeze solution
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Format: Instant Access Recorded Webinar
CEUs: Based on 1 contact hour of training (see CEUs tab for details)