NFPA 34: Standard for Dipping, Coating, and Printing Processes Using Flammable or Combustible Liquids
Current Edition: 2011 Next Edition: 2015

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NFPA 34:
2011 Edition
Item #: 3411
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What is NFPA 34?
NFPA 34: Document Scope
1.1 Scope. 1.1.1 This standard shall apply to processes in which articles or materials are passed through tanks, vats, containers, or process equipment that contain flammable or combustible liquids, including but not limited to dipping, roll coating, flow coating, curtain coating, and cleaning. 1.1.2 This standard shall also apply to dipping and coating processes that use water-borne, water-based, and water-reducible materials that contain flammable or combustible liquids or that produce combustible deposits or residues. 1.1.3 This standard shall not apply to dipping and coating processes that use only noncombustible liquids. 1.1.4 This standard shall not apply to dipping and coating processes that use a liquid that does not have a fire point when tested in accordance with ASTM D 92, Standard Test Method for Flash and Fire Points by Cleveland Open Cup, up to the boiling point of the liquid or up to a temperature at which the sample being tested shows an obvious physical change. 1.1.5 This standard shall not apply to electrostatic fluidized bed powder application. (See Section 15.13 of NFPA 33, Standard for Spray Application Using Flammable or Combustible Materials.)

This standard promotes industrial fire safety by providing safeguards to mitigate fire and explosion hazards of dipping, coating, and printing processes that use flammable or combustible liquids.

Official document scope
What does NFPA 34 address?

Parallel to the requirements in NFPA 33 for spray application, NFPA 34 provides rules for proper location, design, and construction of dipping, coating, and printing equipment; installation of electrical systems and control of ignition sources; ventilation; storage, handling, and distribution of flammable and combustible liquids; protection; operations and maintenance and training.

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