ASTM F2854-20a 用于交联聚乙烯（PEX）管道的推入式交联聚乙烯（PEX）机械配件的标准规格.pdf

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 Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:F2854-20a An American National Standard INTERNATIONAL Standard Specification for Push-Fit Crosslinked Polyethylene (PEX)Mechanical Fittings for Crosslinked Polyethylene (PEX)Tubing' This standard is issued under the fixed designation F2854;the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon (s)indicates an editorial change since the last revision or reapproval. 1.Scope* 2.Referenced Documents 1.1 This specification covers crosslinked polyethylene 2.1 ASTM Standards:2 (PEX)push-fit mechanical fittings for use with crosslinked A269/A269M Specification for Seamless and Welded Aus- polyethylene (PEX)tubing in 4 1 and 1 /4 in.nominal tenitic Stainless Steel Tubing for General Service diameters that meet the requirements of Specification F876. A276/A276M Specification for Stainless Steel Bars and These fittings are intended for use in residential and Shapes mercial hot and cold potable water distribution systems as A312/A312M Specification for Seamless Welded and well as hydronic heati...