2021 NFPA 17 Standard - Current Edition
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  • Description

    Make sure dry chemical fire suppression systems are ready to function as intended in emergencies with NFPA 17.

    In the event of a fire, on-site extinguishing equipment plays a vital role in limiting injuries and life and property loss. NFPA 17, Standard for Dry Chemical Extinguishing Systems, delivers comprehensive requirements for designing, installing, testing, inspecting, operating, recharging, and maintaining these critical fire safety systems.

    The standard covers all aspects and components of dry chemical extinguishing systems throughout their life cycles, such as detectors, nozzles, operating devices, and storage containers.

    Criteria address the full range of dry chemical extinguishing systems, including:

    • Total flooding
    • Local application
    • Hand hose line
    • Engineered
    • Pre-engineered systems

    The 2021 edition offers critical new requirements for dry chemical extinguishing system protocols.

    NFPA 17 presents the design considerations applicable to fire suppression systems that discharge dry chemical from fixed nozzles and piping or hose lines by means of an expellant gas. Manufacturers, contractors, installers, AHJs, and others concerned with dry chemical extinguishing systems get the essential information and requirements necessary for using the standard in the workplace.

    The updated edition provides new provisions consistent with NFPA 12, Standard on Carbon Dioxide Extinguishing Systems, and NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems, on the methods for supporting pipe. It also addresses provisions on a common failure of special hazard fire-extinguishing systems, consistent with NFPA 72®, National Fire Alarm and Signaling Code®, and NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems.

    Get the information you need to help eliminate costly errors and oversights and protect lives and property.

    NFPA 17, Standard for Dry Chemical Extinguishing Systems, provides the minimum requirements for dry chemical extinguishing systems. Help ensure compliance at your job site or facility by ordering your copy of the 2021 edition today.

  • Table of Contents (2021 Current Edition)

    NFPA® 17 Standard for Dry Chemical Extinguishing Systems, 2021 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Retroactivity.
    1.4 Equivalency.
    1.5 Units and Formulas.
    1.6 Qualifications.
    Chapter 2 Referenced Publications
    2.1 General.
    2.2 NFPA Publications.
    2.3 Other Publications.
    2.4 References for Extracts in Mandatory Sections.
    Chapter 3 Definitions
    3.1 General.
    3.2 NFPA Official Definitions.
    3.3 General Definitions.
    3.4 Systems Definitions.
    Chapter 4 Components
    4.1 General.
    4.2 Detectors.
    4.3 Hose Line.
    4.4 Nozzles.
    4.5 Operating Devices.
    4.6 Pipe and Fittings.
    4.7 Dry Chemical.
    4.8 Expellant Gas.
    4.9 Electrical Wiring and Equipment.
    4.10 Storage Containers.
    4.11 Indicators.
    4.12 Assembly.
    Chapter 5 System Requirements
    5.1 Use and Limitations.
    5.2 Multiple Systems Protecting a Common Hazard.
    5.3 Systems Protecting Two or More Hazards.
    5.4 Dry Chemical Requirements and Distribution.
    5.5 Special Considerations.
    5.6 Personnel Safety.
    5.7 Operation and Control of Systems.
    5.8 Dry Chemical and Expellant Gas Supply.
    5.9 Piping.
    Chapter 6 Total Flooding Systems
    6.1 General.
    6.2 Hazard Specifications.
    Chapter 7 Local Application Systems
    7.1 Uses.
    7.2 Hazard Specifications.
    Chapter 8 Hand Hose Line Systems
    8.1 Separate Supplies.
    8.2 Location, Spacing, and Actuation.
    8.3 Dry Chemical Requirements.
    8.4 Training.
    Chapter 9 Pre-Engineered Systems
    9.1 Uses.
    9.2 Types of Systems.
    9.3 Commercial Kitchen Hood, Duct, and Cooking Appliance Systems.
    9.4 Manual Actuation Requirements.
    9.5 System Annunciation Requirements.
    9.6 System Supervision.
    9.7 Review and Certification.
    9.8 Vehicle Fueling Service Station Systems.
    9.9 Systems for the Protection of Mobile Equipment.
    9.10 Hand Hose Line Systems.
    Chapter 10 Plans and Acceptance Tests
    10.1 Specifications.
    10.2 Plans.
    10.3 Approval of Plans.
    10.4 Approval of Installations.
    10.5 Manual.
    Chapter 11 Inspection, Maintenance, and Recharging
    11.1 General Requirements.
    11.2 Owner’s Inspection.
    11.3 Maintenance.
    11.4 Recharging.
    11.5 Hydrostatic Testing.
    Annex A Explanatory Material
    Annex B Informational References
  • 2017 Edition Description

    Improve fire protection with the latest protocols for dry chemical extinguishing systems in new NFPA 17.

    NFPA 17, Standard for Dry Chemical Extinguishing Systems covers every aspect of dry chemical extinguishing systems -- from design to operation and recharging.

    Criteria address the full range of systems, including:

    • Total flooding
    • Local application
    • Hand hose line
    • Engineered
    • Pre-engineered systems

    The 2017 edition helps users understand the intent of requirements, to reduce errors and oversights.

    Clarifications to Chapter 4, Components, and Chapter 5, System Requirements help users understand and apply provisions for easier compliance. This edition is vital for manufacturers, contractors, installers, AHJs, and anyone who needs to stay up-to-code on dry chemical extinguishing systems. (Print, 28 pp., 2017)

  • Prior Editions

    Keep dry chemical extinguishers in top shape and ready to respond with the latest edition of NFPA 17.

    NFPA 17: Standard for Dry Chemical Extinguishing Systems covers every aspect of dry chemical extinguishing systems -- from design to operation and recharging. Criteria address total flooding, local application, hand hose line, and engineered and pre-engineered systems.

    Changes to the 2013 edition include:

    • Clarification of inspection, testing, maintenance requirements
    • New requirements for installation acceptance plus added forms

    Order now and stay up-to-code on dry chemical extinguishers. This document is vital for manufacturers, installers, and AHJs. (Softbound, 26 pp., 2013)

    Interested in other editions of NFPA 17? Use the drop down menu above to select the edition year you need. 

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