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GB 50264-2013 Code for Design of Insulation Engineering for Industrial Equipment and Pipes

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General Provisions

第概要条According to Chapter 1 "General Provisions" of the Code for Design of Thermal Insulation Engineering of Indus…

第 2.0.1 条Insulation: Technical measures taken to reduce heat loss from equipment, pipes and their accessories to the s…
第 2.0.2 条Insulation layer: the structural layer within an insulation assembly that provides the insulating function.
第 2.0.3 条Vapor barrier: a structural layer installed to prevent water vapor or liquid water from entering the insulati…
第 2.0.4 条Economic thickness: the calculated thickness at which the sum of the insulation layer cost and the heat loss …
第 2.0.5 条Maximum allowable heat loss: the maximum allowable heat loss per unit area under adiabatic engineering design…
第 2.0.6 条Insulation structure: an integral structure composed of an insulation layer, vapor barrier, protective layer,…

第 4.1.1 条Thermal insulation materials and their products shall have explicit physical and chemical performance indicat…
第 4.1.3 条The allowable service temperature of insulation materials and their products shall be higher than the maximum…
第 4.1.4 条The combustion performance grade of thermal insulation materials and their products shall comply with the pro…
第 4.1.5 条Thermal insulation materials and products shall have sufficient mechanical strength and shall not be damaged …
第 4.1.6 条Thermal insulation materials and products shall not corrode equipment or piping, and shall not emit harmful g…
第 4.2.1 条The thermal conductivity of insulation materials and their products shall not exceed 0.12 W/(m·K) (at a mean …
第 4.2.2 条The thermal conductivity of cold insulation materials and their products shall not exceed 0.064 W/(m·K) (at a…
第 4.2.3 条Thermal insulation materials used for cold preservation should have a density not greater than 200 kg/m³ and …
第 4.3.1 条The thickness of insulation materials and their products shall be calculated and determined in accordance wit…

第 5.1.1 条The insulation layer thickness shall be calculated using the economic thickness method and shall meet the req…
第 5.2.1 条When the external surface temperature of equipment and pipes is higher than 50℃, thermal insulation design sh…
第 5.2.3 条The insulation layer thickness shall be determined through heat balance calculation, taking into account fact…
第 5.3.1 条The anti condensation insulation thickness shall be calculated based on the most unfavorable operating condit…
第 5.4.1 条The thickness of the anti scald insulation layer shall ensure that the outer surface temperature does not exc…
第 5.5.1 条The insulation structure should be provided with a vapor barrier to prevent water vapor permeation from degra…

第 5.1.1 条The insulation structure shall consist of an insulation layer, a vapour barrier (where the medium temperature…
第 5.1.2 条The insulation structure shall meet thermal insulation performance requirements and shall have sufficient mec…
第 5.2.1 条The selection of insulation layer materials shall meet the design temperature requirements, and materials wit…
第 5.2.3 条When the insulation layer is used for cold medium pipes or equipment, a vapor barrier shall be installed outs…
第 5.3.1 条The protective layer shall be made of weather resistant, corrosion resistant, non combustible or flame retard…
第 5.4.1 条Metal accessories of the insulation structure (such as clamps, support rings, brackets, etc.) shall be treate…
第 5.4.3 条When the pipe insulation thickness exceeds 100 mm, it shall be installed in layers, with staggered and overla…
第 5.5.1 条Piping accessories such as valves, flanges, and filters shall be provided with removable insulation; the insu…
第 5.6.2 条Where the insulation structure penetrates walls, floors or fire compartments, it shall be sealed with non com…

第 6.1.1 条Before insulation works commence, design disclosure, material inspection and preparation of the construction …
第 6.1.2 条Insulation materials and their products shall have quality certification documents, and their performance ind…
第 6.2.1 条During insulation layer installation, it shall be laid in layers, with each layer thickness not exceeding 100…
第 6.2.3 条The insulation layer of equipment and pipes shall fit tightly against the surface with no gaps; metal claddin…
第 6.3.2 条The vapor barrier should be installed after the insulation layer is dry, and should be complete and sealed, w…
第 6.4.1 条During acceptance of insulation works, the insulation layer thickness, flatness, joint treatment and protecti…

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