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1.1 This specification provides requirements for the design of thermal insulation systems for cryogenic piping and equipment for liquefied natural gas (LNG)-fueled ship applications. Methods and materials for installation, including jacketing and vapor retarders, are also detailed.
1.2 The pipe and equipment operating temperature range addressed by this specification is from a temperature no warmer than –259°F (–162°C) to all temperatures colder.
1.3 These types of piping systems typically have a small diameter: 3 in. (80 mm) NPS and smaller. However, this specification is not limited to pipes that small.
1.4 This specification does not address the thermal insulation on either LNG fuel tanks or factory installed, pre-insulated pipe insulation assemblies.
1.5 The design of removable/reusable insulation systems is not addressed in this specification.
1.6 Structural design and physical strength of insulation systems are not addressed in this specification. However, the securement of jacketing systems is addressed.
1.7 For above ambient pipe and equipment not carrying LNG, see Practice for insulation practices.
1.8 Insulation system weight is not a design criterion considered in this specification.
1.9 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.
1.10 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.
1.11 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C165 Test Method for Measuring Compressive Properties of Thermal Insulations
C168 Terminology Relating to Thermal Insulation
C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus
C680 Practice for Estimate of the Heat Gain or Loss and the Surface Temperatures of Insulated Flat, Cylindrical, and Spherical Systems by Use of Computer Programs
C835 Test Method for Total Hemispherical Emittance of Surfaces up to 1400C
C1136 Specification for Flexible, Low Permeance Vapor Retarders for Thermal Insulation
C1729 Specification for Aluminum Jacketing for Insulation
C1767 Specification for Stainless Steel Jacketing for Insulation
C1809 Practice for Preparation of Specimens and Reporting of Results for Permeance Testing of Pressure Sensitive Adhesive Sealed Joints in Insulation Vapor Retarders
D696 Test Method for Coefficient of Linear Thermal Expansion of Plastics Between 30C and 30C with a Vitreous Silica Dilatometer
D1621 Test Method for Compressive Properties of Rigid Cellular Plastics
E84 Test Method for Surface Burning Characteristics of Building Materials
E96 Test Methods for Water Vapor Transmission of Materials
E136 Test Method for Assessing Combustibility of Materials Using a Vertical Tube Furnace at 750C
E228 Test Method for Linear Thermal Expansion of Solid Materials With a Push-Rod Dilatometer
E831 Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
F683 Practice for Selection and Application of Thermal Insulation for Piping and Machinery
Other StandardsFire Test Procedures Code IMO Resolution MSC 307 (88) Annex 1 Part 1 and Part 5 and Annex 2 IGF Code International Code of Safety for Ships using Gases or Other Low-Flashpoint Fuels Available from International Maritime Organization (IMO), 4, Albert Embankment, London SE1 7SR, United Kingdom, http://www.imo.org. IMO SOLAS ISO 8497 Determination of steady-state thermal transmission properties of thermal insulation for circular pipes Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org. MSC 1-Circ 1558 Unified Interpretations of The IGF Code Available from ics.org.ir. Title 46 CFR Part 164 Subpart 164.109 Non-Combustible Materials (SOLAS) Title 46 CFR Part 38 Subpart 38.05-2 Design and Construction of Cargo Tanks Available from U.S. Government Printing Office, Superintendent of Documents, 732 N. Capitol St., NW, Washington, DC 20401-0001, http://www.access.gpo.gov.
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ASTM F3319-20, Standard Specification for Selection and Application of Field-Installed Cryogenic Pipe and Equipment Insulation Systems on Liquefied Natural Gas (LNG)-Fueled Ships, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top