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  • NFPA
    NFPA 91: Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Noncombustible Particulate Solids
    This title can only be subscribed to with another NFPA title (See details)
    Edition: 2020
    $205.20
    / user per year

Content Description

Per NFPA's requirements, when purchasing NFPA 2021 Standards and/or 2020 NFPA 70 (NEC), you must subscribe to at least one more NFPA Standard to complete your purchase. In order to fulfill this requirement, we automatically add 2019 NFPA 900 to your cart. This title may be removed during checkout if you choose to add a different NFPA standard to your cart, and pricing will be recalculated accordingly.
Help ensure compliance with critical requirements for safeguarding potentially dangerous exhaust systems from fires and explosions. For well over a century, NFPA® codes and standards have been addressing the inherent dangers that blower and exhaust systems can present to public safety. NFPA 91, Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Particulate Solids, 2020 edition, represents the most complete criteria for designing, constructing, installing, testing, operating, and maintaining these systems. This vital safety document assists in protecting lives and property and minimizing loss from fires and explosions in exhaust systems where vapors, gases, mists, and particulate solids are present in the airflow. The standard incorporates provisions on the application of exhaust systems to specific industries or operations from NFPA 1, Fire Code, NFPA 30, Flammable and Combustible Liquids Code, and many other codes and standards. Update to the 2020 edition to access the most current information and performance criteria. The revised NFPA 91 provides the latest knowledge on exhaust systems for air conveying vapors, gases, mists, and particulate solids relating to fire and explosion prevention. Content covers everything from requirements for corrosive materials and air-moving devices to air-material separators, ignition sources, and fire protection systems. Changes to the 2021 edition include added requirements for nonconductive system components and revision to the concentration threshold for flammable or combustible materials requiring spark-resistant fans and blowers. NFPA 91 is an essential resource for process industries with ignition risks of materials pneumatically conveyed through duct systems.

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About NFPA

The mission of the international nonprofit NFPA, established in 1896, is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.

 

The world's leading advocate of fire prevention and an authoritative source on public safety, NFPA develops, publishes, and disseminates more than 300 consensus codes and standards intended to minimize the possibility and effects of fire and other risks.

 

NFPA membership totals more than 70,000 individuals around the world

 
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