The purpose of this guide is to ensure proper specification and installation of thermally and mechanically engineered units of prefabricated insulation panels. These panels are to be designed to:
4.1.1 Limit loss of heat from insulated surface.
4.1.2 Limit exposed surface temperatures for thermal protection of personnel.
4.1.3 Maintain temperatures of the insulated equipment at or above a specified minimum value required for the proper operation of the equipment.
4.1.4 Produce an assembly that provides allowance for thermal expansion and is of a weathertight construction.
1.1 This guide describes construction and installation of prefabricated panel insulation systems for vessels, ducts, and equipment operating at temperatures above ambient. Typical applications include, but are not limited to, power plant ducts, steam generating units, precipitators, bag houses, fans, refinery storage tanks, process vessels, and coke drums.
1.2 The insulation described herein is limited to systems consisting of insulating units specially designed to fit the surfaces to be insulated, and engineered for the service requirements.
1.3 Each insulation unit is a prefabricated construction typically comprised of insulation, an outer lagging to which the insulation is attached, an inner metal mesh and foil lining, and means for securing multiple units together in an assembly.
1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.
Note 18212;When prefabricated panel systems are specified, Test Methods C 167, C 177, and C 1061, and Terminology C 168 should be considered.
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