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  • NFPA 68 : 2018

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    EXPLOSION PROTECTION BY DEFLAGRATION VENTING

    Available format(s):  Hardcopy

    Superseded date:  13-01-2023

    Language(s):  English

    Published date:  01-01-2018

    Publisher:  National Fire Protection Association

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    Table of Contents - (Show below) - (Hide below)

    Chapter 1 - Administration
    Chapter 2 - Referenced Publications
    Chapter 3 - Definitions
    Chapter 4 - General Requirements
    Chapter 5 - Performance-Based Design Option
    Chapter 6 - Fundamentals of Venting of Deflagrations
    Chapter 7 - Venting Deflagrations of Gas Mixtures and
                 Mists
    Chapter 8 - Venting of Deflagrations of Dusts and
                 Hybrid Mixtures
    Chapter 9 - Venting of Deflagrations of Gases and Dusts
                 in Pipes and Ducts Operating at or Near
                 Atmospheric Pressure
    Chapter 10 - Details of Deflagration Vents and Vent
                 Closures
    Chapter 11 - Inspection and Maintenance
    Annex A - Explanatory Material
    Annex B - Fundamentals of Deflagration
    Annex C - Guidelines for Measuring Deflagration
              Parameters of Dusts
    Annex D - Deflagration Characteristics of Select
              Flammable Gases
    Annex E - Estimating Fundamental Burning Velocity
    Annex F - Deflagration Characteristics of Select
              Combustible Dusts
    Annex G - Calculation Method for Correction Factor
              Due to Increased Vent Panel Mass
    Annex H - Research Reports and Supporting
              Documents
    Annex I - Full and Partial Volume Gas Venting of a
              Building - Example Problem
    Annex J - Effect of Dust Partial Volumes on Venting
              of Buildings - Example Problem
    Annex K - Bibliography
    Annex L - Informational References
    Index

    Abstract - (Show below) - (Hide below)

    Gives the user with criteria for design, installation, and maintenance of deflagration vents and associated components.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Fire Protection Association
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    NFPA 120:2023 Standard for Fire Prevention and Control in Coal Mines
    NFPA 2:2023 Hydrogen Technologies Code
    NFPA 59A:2023 Standard for the Production, Storage, and Handling of Liquefied Natural Gas (LNG)

    Standards Referencing This Book - (Show below) - (Hide below)

    NFPA 484 : 2015 COMBUSTIBLE METALS
    ASTM D 5680 : 2014 : REDLINE Standard Practice for Sampling Unconsolidated Solids in Drums or Similar Containers
    NFPA 652 : 2016 FUNDAMENTALS OF COMBUSTIBLE DUST
    NFPA 750 : 2015 WATER MIST FIRE PROTECTION SYSTEMS
    NFPA 61 : 2017 PREVENTION OF FIRES AND DUST EXPLOSIONS IN AGRICULTURAL AND FOOD PROCESSING FACILITIES
    VDI 3673:1979-06 Pressure release of dust explosions
    NFPA 654 : 2017 PREVENTION OF FIRE AND DUST EXPLOSIONS FROM THE MANUFACTURING, PROCESSING, AND HANDLING OF COMBUSTIBLE PARTICULATE SOLIDS
    VDI 2263 Blatt 8.1:2011-03 Dust fires and dust explosions - Hazards - assessment - protective measures - Fire and explosion protection on elevators - Examples
    NFPA 400 : 2016 HAZARDOUS MATERIALS CODE
    NFPA 5000 : 2018 BUILDING CONSTRUCTION AND SAFETY CODE
    NFPA 53 : 2016 MATERIALS, EQUIPMENT, AND SYSTEMS USED IN OXYGEN-ENRICHED ATMOSPHERES
    NFPA 69 : 2014 EXPLOSION PREVENTION SYSTEMS
    NFPA 704 : 2017 STANDARD SYSTEM FOR THE IDENTIFICATION OF THE HAZARDS OF MATERIALS FOR EMERGENCY RESPONSE
    EN 13237:2012 Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
    ASTM E 502 : 2007 Standard Test Method for Selection and Use of ASTM Standards for the Determination of Flash Point of Chemicals by Closed Cup Methods
    NFPA 33 : 2016 SPRAY APPLICATION USING FLAMMABLE OR COMBUSTIBLE MATERIALS
    ASTM E 1515 : 2014 : REDLINE Standard Test Method for Minimum Explosible Concentration of Combustible Dusts
    ISO 6184-1:1985 Explosion protection systems Part 1: Determination of explosion indices of combustible dusts in air
    NFPA 35 : 2016 MANUFACTURE OF ORGANIC COATINGS
    ASCE 7 10 : 2010 MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES
    NFPA 30B : 2015 CODE FOR THE MANUFACTURE AND STORAGE OF AEROSOL PRODUCTS
    NFPA 52 : 2016 VEHICULAR NATURAL GAS FUEL SYSTEMS CODE
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    NFPA FIRE PROT GUIDE ON HAZARDOUS MAT : 2010 FIRE PROTECTION GUIDE TO HAZARDOUS MATERIALS
    NFPA 30 : 2018 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
    NFPA 67 : 2016 GUIDE ON EXPLOSION PROTECTION FOR GASEOUS MIXTURES IN PIPE SYSTEMS
    API 650 : 2013 WELDED TANKS FOR OIL STORAGE
    ASME PV CODE SET : 2017 BOILER AND PRESSURE VESSEL CODE - COMPLETE SET
    UFC 3-340-02 : Change 2 UNIFIED FACILITIES CRITERIA - STRUCTURES TO RESIST THE EFFECTS OF ACCIDENTAL EXPLOSIONS
    API 752 : 2009 MANAGEMENT OF HAZARDS ASSOCIATED WITH LOCATION OF PROCESS PLANT PERMANENT BUILDINGS
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