NFPA 650 : 1998

Chapter 1 General
1-1 Scope
1-2 Purpose
1-3 Equivalency
1-4 Applicability
1-5 Definitions
Chapter 2 Fundamentals of Pneumatic Conveying System Design
2-1 General
2-2 Sequence of Operation
2-3 Recycled air
2-4 Inerting for the control of ignitibility
2-5 Penetration of fire barriers
2-6 Duct clearances
Chapter 3 Systems Components
3-1 General
3-2 Ductwork, hoods and inlet devices
3-3 Pressure protection systems
3-4 Material feeding devices
3-5 Air-moving devices (AMD) (fans and blowers)
3-6 Air-material separators (air-separation devices)
3-7 Abort gates/abort dampers
3-8 Bins, hoppers, tanks and silos
3-9 Fire/explosion protection
Chapter 4 Ignition sources
4-1 Heat from mechanical sparks and friction
4-2 Electrical equipment
4-3 Static electricity
4-4 Powder-actuated tools
4-5 Open flames and sparks
4-6 Process and comfort heating systems
4-7 Hot surfaces
4-8 Industrial trucks
Chapter 5 Inspection and Maintenance
5-1 Inspection and maintenance
5-2 Specific requirements
Chapter 6 Systems for Conveying of Combustible
            Particulate Solids
6-1 Combustible particulate solids conveying
       systems design
6-2 Specific requirements for systems conveying
       metal particulates
Chapter 7 Procedures and Training
7-1 Procedures and emergency plans
7-2 Employee training
7-3 Content of training
Chapter 8 Housekeeping
8-1 Retroactivity conditions
8-2 Equipment maintenance and cleaning frequencies
8-3 Surface cleaning techniques
Chapter 9 Referenced Publications
Appendix A Explanatory material
Appendix B Information primers on prevention and
            extinguishing systems
Appendix C Referenced publications
Index

Provides technical requirements for all pneumatic conveying systems that transport combustible particulate solids, combustible dusts, hybrid mixtures containing dusts, regardless of concentration or particle size including systems that convey nuisance or fugitive combustible dusts.