ASTM_A_1056_-_12.pdf

Designation:A105612Standard Specification forCast Iron Couplings Used for Joining Hubless Cast Iron SoilPipe and Fittings1This standard is issued under the fixed designation A1056;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the materials and testing ofcast iron couplings for joining hubless cast iron soil pipe andfittings for sizes 112to 10 in.1.2 It is the purpose of this specification to furnish informa-tion as to the characteristics of a particular sleeve type couplingwhen applied to cast iron soil pipe and fittings manufactured inaccordance with Specification A888,latest revision,and CISPIDesignation 301,latest revision.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 The following precautionary caveat pertains only to thetest method portion,Section 8,of this specification.Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:2A48/A48M Specification for Gray Iron CastingsA644 Terminology Relating to Iron CastingsA888 Specification for Hubless Cast Iron Soil Pipe andFittings for Sanitary and Storm Drain,Waste,and VentPiping ApplicationsC564 Specification for Rubber Gaskets for Cast Iron SoilPipe and FittingsD2240 Test Method for Rubber PropertyDurometer Hard-nessE8 Test Methods for Tension Testing of Metallic Materials2.2 ASME Standards:3ASME B18.2.1 Square and Hex Bolt and Screws Inch SeriesASME B18.1.2 Square and Hex Nuts(Inch Series)2.3 CISPI Standard:4CISPI-301 Specification for Hubless Cast Iron Soil Pipe andFittings for Sanitary and Storm Drain,Waste and VentPiping Applications3.Terminology3.1 Definitions:3.1.1 Definitions of the following terms used in this speci-fication are found in Terminology A644:elastomeric,durom-eter and dynamic.3.2 Definitions of Terms Specific to This Standard:3.2.1 center stop,nan integral part of the gasket centeredon the axial length of the gasket intended to limit the insertiondepth of the pipe and/or fitting to be coupled.3.2.2 clamp assembly,nthat portion of the coupling ex-cluding the gasket,nuts and bolts.3.2.3 coupling,nthe complete assembly.3.2.4 fitting,nparts of a pipeline other than straight pipes,valves,or couplings.3.2.5 gasket,nthe elastomeric portion of the coupling.3.2.6 joint,nthe point of assembly consisting of thecoupling and the joined pipes or fittings,or both.3.2.7 manufacturer of the clamp assembly,n the entitythat casts the clamp assembly.3.2.8 manufacturer of the coupling,nthe entity that as-sembles the components of the coupling such as the gasket andthe clamp assembly.3.2.9 manufacturer of the gasket,nthe entity that producesthe elastomeric portion of the coupling.1This specification is under the jurisdiction of ASTM Committee A04 on IronCastings and is the direct responsibility of Subcommittee A04.75 on Gaskets andCoupling for Plumbing and Sewer Piping.Current edition approved Dec.1,2012.Published January 2013.Originallyapproved in 2008.Last previous edition approved in 2008 as A1056 08.DOI:10.1520/A1056-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Three Park Ave.,New York,NY 10016-5990,http:/www.asme.org.4Available from Cast Iron Soil Pipe Institute(CISPI),5959 Shallowford Rd.,Suite 419,Chattanooga,TN 37421,http:/www.cispi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.Materials and Manufacture4.1 Physical properties of gaskets shall comply with Speci-fication C564 and the dimensions,material specifications,physical and chemical properties as shown in Fig.1,Fig.2,Table 1,and Table 2.4.2 All cast iron parts shall be made of a minimum class 25cast iron and shall show compliance to this requirement usingtest methods contained in Specification A48/A48M.Dimensions in.(mm)112(38.100)2(50.800)3(76.200)4(101.600)5(127.000)6(152.400)8(203.200)10(254.000)A2.125(53.975)2.125(53.975)2.125(53.975)2.125(53.975)3.000(76.200)3.000(76.200)4.000(101.600)4.000(101.600)B1.531(38.887)1.969(50.013)2.969(75.413)4.000(101.600)4.969(126.213)5.969(151.613)7.969(202.413)10.085(256.159)C1.937(49.200)2.344(59.538)3.34