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This specification covers the design and fabrication of metal components for flue gas desulfurization equipment, including absorber, tanks, chimney liners, ductwork, and associated equipment intended for use in protective lining applications, that are to be lined for corrosion or abrasion resistance, or both. It does not however cover the structural performance of the components and the use of metallic linings. Each of the components shall be designed in such a way that it conforms to the engineering requirements for rigidity wherein the effects of pressure, wind, seismic, and other design loads shall be considered; accessability to welding, grinding, surface preparation, and lining application; shell penetrations; appurtenances inside components such as agitators, anti-swirl baffles, gaging devices, internal piping, ladders, and support brackets; and structural reinforcement members and supports. All internal welds shall be continuous without imperfections and the degree of weld preparation prior to lining shall depend on the type of lining to be applied. Riveted joints and internal bolted joints shall not be used while lap bolted joints shall be avoided whenever possible. Intermittent or spot welding shall not be permitted as well.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers the design and fabrication of metal components for flue gas desulfurization (FGD) equipment, including absorbers, tanks, chimney liners, ductwork and associated equipment that are to be lined for corrosion or abrasion resistance, or both.
1.2.1 This specification is intended only to define the design considerations for successful application and performance of protective linings for FGD system components.
1.2.2 It does not cover structural performance of FGD components.
1.2.3 It does not cover use of metallic linings.
1.3 This specification represents the minimum requirements for lining work. In cases in which the manufacturer's instructions and recommendations differ from this specification, these differences shall be resolved before fabrication is started.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ICS Number Code 13.040.40 (Stationary source emissions); 27.100 (Power stations in general)
UNSPSC Code 40161607(Flue gas desulphurization system)
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ASTM D4618-92(2017), Standard Specification for Design and Fabrication of Flue Gas Desulfurization System Components for Protective Lining Application, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top