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Description of ASTM-F1476 2007ASTM F1476 - 07Standard Specification for Performance of Gasketed Mechanical Couplings for Use in Piping ApplicationsActive Standard ASTM F1476 | Developed by Subcommittee: F25.11 Book of Standards Volume: 01.07 ASTM F1476Abstract This specification provides the performance characteristics and qualification tests required for gasket mechanical couplings (GMCs) including grooved-type mechanical couplings for grooved end pipe, mechanical restraint couplings for plain end pipe and mechanical compression couplings for plain end pipe. These couplings are for use at temperatures within the recommended temperature range of their respective gaskets. The GMCs are classified into two types: Type I which are the groove mechanical couplings and Type II which are plain end mechanical couplings. Also, they can be classified into various grades based on successful completion of testing. They can also be grouped into three classes in accordance to joint characteristics: Class 1 which is rigid and restrained, Class 2 which is flexible and restrained, and Class 3 which is flexible and unrestrained. The housings of grooved GMCs shall be made from either ductile iron, aluminum alloy, or iron-chromium-nickel alloy. Bolts of these couplings shall be made from carbon steel and corrosion resistant materials. As for plain end GMCs, their housings or center sleeves shall be made from either ductile iron or steel materials. Their bolts shall be constructed with carbon steel and corrosion resistant materials. Standard qualification tests for GMC shall consist of the following: performance test, specimen examination, pneumatic proof test, vacuum test, hydrostatic proof test, flexibility test, hydrostatic burst test, rigidity test, bending moment proof test, and bending moment ultimate test. 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. Scope 1.1 This specification provides the performance characteristics and qualification tests required for gasketed mechanical couplings including grooved-type mechanical couplings for grooved end pipe, mechanical restraint couplings for plain end pipe and mechanical compression couplings for plain end pipe. These couplings are for use at temperatures within the recommended temperature range of their respective gaskets. Consult manufacturer for details. 1.2 The values stated in metric units (SI) are to be regarded as the standard. The values given in parentheses (inch/pound) are provided for information purposes. 1.3 Measuring and test equipment (M & TE) used in the performance of the tests described herein shall be calibrated using equipment which is traceable to the National Institute of Standards and Technology (NIST) or calibrated in accordance with the requirements detailed in BS 5781 Part 1 against standards traceable to National Standards. 1.4 As this is not a dimensional standard, nor does it contain component dimensions, the intermixing of sub-components such as gaskets and housings between manufacturers is not recommended and constitutes non-conformance with this 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 and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards A47/A47M Specification for Ferritic Malleable Iron Castings A53/A53M Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless A135 Specification for Electric-Resistance-Welded Steel Pipe A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware A183 Specification for Carbon Steel Track Bolts and Nuts A193/A193M Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications A194/A194M Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both A325 Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength A395/A395M Specification for Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures A536 Specification for Ductile Iron Castings A563 Specification for Carbon and Alloy Steel Nuts A574 Specification for Alloy Steel Socket-Head Cap Screws A743/A743M Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application B26/B26M Specification for Aluminum-Alloy Sand Castings B88 Specification for Seamless Copper Water Tube B580 Specification for Anodic Oxide Coatings on Aluminum B633 Specification for Electrodeposited Coatings of Zinc on Iron and Steel D2000 Classification System for Rubber Products in Automotive Applications F837 Specification for Stainless Steel Socket Head Cap Screws Keywords coupling; flexible; gasketed; grooved; plain end; rigid; Bending moment; Couplings specifications; Flexibility; Flexible mechanical couplings; Gasketed mechanical couplings (GMC); Grooved-type mechanical couplings; Hydrostatic testing; Mechanical restraint couplings; Plain-end mechanical couplings; Pneumatic proof test; Rigidity test; Shipbuilding piping materials specifications; Shipbuilding steel pipe materials specifications; Vacuum testing; ICS Code ICS Number Code 23.040.60 (Flanges, couplings and joints) DOI: 10.1520/F1476-07 ASTM International is a member of CrossRef. ASTM F1476The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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