NFPA 87: Recommended Practice for Fluid Heaters

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Control dangers and ensure safe operation of equipment with updated NFPA 87: Recommended Practice for Fluid Heaters.

NFPA 87: Recommended Practice for Fluid Heaters was created in response to requests from manufacturers, insurance companies, trade associations, and users for safety guidance for fuel-fired and electric fluid heaters. It provides guidance for fluid heaters to minimize the fire and explosion hazards that can endanger the fluid heater, the building, or personnel.

Fluid heaters are used in industrial environments to heat thermal and process fluids of all types; and the heated fluids are used in processes such as textile drying, pressboard manufacturing, gas sweetening, chemical synthesis, plastic molding, hot galvanizing, laminating, dry cleaning, and food processing.

Comprehensive coverage provides the current best practices for:

  • Location and construction
  • Heating systems
  • Commissioning and operations
  • Maintenance, inspection, and testing
  • Heating system safety equipment and application

Updates make NFPA 87 consistent with other NFPA® codes and standards.

  • Added definitions for Burner Management System (BMS), Emergency Shutoff Valve (ESOV), and other revisions correlate with the 2015 NFPA 86: Standard for Ovens and Furnaces.
  • Modified Chapter 6 aligns with NFPA 86 by revising requirements for ESOV, emergency isolation valves, and overpressure protection.
  • Added procedures for placing equipment into service are based on purging practices in the 2015 NFPA 54: National Fuel Gas Code and the 2014 NFPA 56
  • Added requirement prohibiting manifolding vent lines from different pressure levels is based on NFPA 85.
  • Modified requirements for logic systems for both Burner Management System (BMS) logic and PLC systems
  • Revised requirements for Class F heaters in Chapter 9
  • New content for Class G and H heaters in Chapters 10 and 11

Order today to prevent loss of life, property, and production due to fluid heater fires and explosions. (Softbound, 46 pp., 2015)

NFPA<sup>®</sup> 87 Recommended Practice for Fluid Heaters 2015 Edition

NFPA® 87 Recommended Practice for Fluid Heaters 2015 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Retroactivity
1.5 Equivalency
1.6 Units and Formulas
Chapter 2 Referenced Publications
2.1 General
2.2 NFPA Publications
2.3 Other Publications
2.4 References for Extracts in Recommendation Sections
Chapter 3 Definitions
3.1 General
3.2 NFPA Official Definitions
3.3 General Definitions
Chapter 4 General
4.1 Approvals, Plans, and Specifications
4.2 Safety Labeling
4.3 Thermal Fluids and Process Fluids
Chapter 5 Location and Construction
5.1 Location
5.2 Fluid Heater Design
5.3 Explosion Mitigation
5.4 Ventilation and Exhaust System
5.5 Mountings and Auxiliary Equipment
5.6 Heating Elements and Insulation
5.7 Heat Baffles and Reflectors
Chapter 6 Heating Systems
6.1 General
6.2 Fuel Gas–Fired Units
6.3 Liquid Fuel–Fired Units
6.4 Oxygen Enhanced Fuel–Fired Units
6.5 Flue Product Venting
6.6 Electrically Heated Units
Chapter 7 Commissioning, Operations, Maintenance, Inspection, and Testing
7.1 Scope
7.2 Commissioning
7.3 Training
7.4 Operations
7.5 Inspection, Testing, and Maintenance
7.6 Record Retention
7.7 Procedures
Chapter 8 Heating System Safety Equipment and Application
8.1 Scope
8.2 General
8.3 Burner Management System Logic
8.4 Programmable Logic Controller Systems
8.5 Safety Control Application for Fuel-Fired Heating Systems
8.6 Combustion Air Safety Devices
8.7 Safety Shutoff Valves (Fuel Gas or Liquid Fuel)
8.8 Fuel Pressure Switches (Gas or Liquid Fuel)
8.9 Combustion Safeguards (Flame Supervision)
8.10 Liquid Fuel Atomization (Other than Mechanical Atomization)
8.11 Liquid Fuel Temperature Limit Devices
8.12 Multiple Fuel Systems
8.13 Air–Fuel Gas Mixing Machines
8.14 Ignition of Main Burners — Fuel Gas or Liquid Fuel
8.15 Stack Excess Temperature Limit Interlock
8.16 Fluid Excess Temperature Limit Interlock
8.17 Electrical Heating Systems
Chapter 9 Class F Heaters
9.1 General
9.2 Auxiliary Equipment
9.3 Safety Devices for Class F Heaters
Chapter 10 Class G Heaters
10.1 General
10.2 Auxiliary Equipment
10.3 Safety Devices for Class G Heaters
Chapter 11 Class H Heaters
11.1 General
11.2 Auxiliary Equipment
11.3 Safety Devices for Class H Heaters
Chapter 12 Fire Protection
12.1 General
12.2 Types of Fire Protection Systems
12.3 Inspection, Testing, and Maintenance of Fire Protection Equipment
Annex A Explanatory Material
Annex B Example Maintenance Checklist
Annex C Steam Extinguishing Systems
Annex D Informational References