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2018 Edition, January 1, 2018

Complete Document

Standard for Fluid Heaters

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Active, Most Current

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EFFECTIVE DATE: 08/21/2017
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Product Details:

  • Revision: 2018 Edition, January 1, 2018
  • Published Date: January 2018
  • Status: Active, Most Current
  • Document Language: English
  • Published By: National Fire Protection Association (NFPA)
  • Page Count: 53
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This standard covers fluid heaters and related equipment.

Within the scope of this standard, a fluid heater is considered to be any thermal fluid heater or process fluid heater with the following features:

(1) Fluid is flowing under pressure.

(2) Fluid is indirectly heated.

(3) Release of energy from combustion of a liquid or gaseous fuel or an electrical source occurs within the unit.

This standard does not apply to the following:

(1) Boilers (which are covered by NFPA 85 or ANSI/ASME CSD-1, Controls and Safety Devices for Automatically Fired Boilers)

(2) Class A, B, C, or D ovens and furnaces (which are covered by NFPA 86)

(3) Fired heaters in petroleum refineries and petrochemical facilities that are designed and installed in accordance with API STP 560, Fired Heaters for General Refinery Services; API RP 556, Instrumentation and Control Systems for Fired Heaters and Steam Generators; and API RP 2001, Fire Protection in Refineries

(4) Fired heaters commonly called reformer furnaces or cracking furnaces in the petrochemical and chemical industries

(5) Units that heat air for occupiable space or comfort

(6) LP-Gas vaporizers designed and installed in accordance with NFPA 58

(7)* Coal or other solid fuel–firing systems

(8) Listed equipment with a heating system(s) that supplies a total input not exceeding 150,000 Btu/hr (44 kW)

Purpose. This standard provides requirements for fluid heaters to minimize the fire and explosion hazards that can endanger the fluid heater, the building, or personnel.