1、Designation:C154015Standard Specification forHeavy Duty Shielded Couplings Joining Hubless Cast IronSoil Pipe and Fittings1This standard is issued under the fixed designation C1540;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the
2、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 evaluating of the perfor-mance of heavy duty shielded couplings to join hubless casti
3、ron soil pipe and fittings.1.2 Couplings covered by this standard shall have nominaldimensions as found in Table 1 and Fig.1 of this standard.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 provi
4、ded for information onlyand are not considered standard.1.4 The following precautionary caveat pertains only to thetest method portion,Section 7,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 us
5、erof 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:2A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate,Sheet,and Strip for PressureVessels
6、 and for General ApplicationsA493 Specification for Stainless Steel Wire and Wire Rodsfor Cold Heading and Cold ForgingA644 Terminology Relating to Iron CastingsA888 Specification for Hubless Cast Iron Soil Pipe andFittings for Sanitary and Storm Drain,Waste,and VentPiping ApplicationsC564 Specifica
7、tion for Rubber Gaskets for Cast Iron SoilPipe and FittingsD3677 Test Methods for RubberIdentification by InfraredSpectrophotometry2.2 CISPI Standards:3CISPI-301 Specification for Hubless Cast Iron Soil Pipe andFittings for Sanitary and Storm Drain,Waste and VentPiping ApplicationsCISPI-310 Specific
8、ation for couplings for use in Connectionwith Hubless Cast Iron Soil Pipe and Fittings for Sanitaryand Storm Drain,Waste and Vent Piping Applications2.3 Factory Mutual Standards:4FM 1680 Approval Standard for Couplings Used in HublessCast Iron Systems for Drain,Waste or Vent,Sewer,Rainwater or Storm
9、 Drain Systems Above and BelowGround,Industrial/Commercial and Residential3.Terminology3.1 Definitions of the following terms used in this specifi-cation are found in Terminology A644.3.2 Definitions of Terms Specific to This Standard:3.2.1 center stop,nan integral part of the gasket centeredon the
10、axial length of the gasket intended to limit the insertiondepth of the pipe to be coupled.3.2.2 clamp assembly,nthat portion of the coupling ex-cluding the gasket.3.2.3 coupling,nthe complete assembly.3.2.4 coupling manufacturer,nthe entity that assemblesthe gasket with the clamp and shield assembly
11、.3.2.5 fitting,nparts of a pipeline other than straight pipes,valves,or couplings.3.2.6 gasket,nthe elastomeric portion of the coupling.3.2.7 gasket manufacturer,nthe entity that molds thegaskets inserted into the couplings covered by this standardspecification.3.2.8 heavy duty coupling,na shielded
12、coupling that hasdimensions detailed in Table 1 and Fig.1.1This 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 June 1,2015.Published Ju
13、ne 2015.Originallyapproved in 2002.Last previous edition approved in 2014 as C1540 14.DOI:10.1520/C1540-15.2For 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
14、Document Summary page onthe ASTM website.3Available from Cast Iron Soil Pipe Institute(CISPI),2401 Fieldcrest Dr.,Mundelein,IL 60060,http:/www.cispi.org.4Available from FM Approvals,P.O.Box 9102,Norwood,MA 02062.http:/.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,
15、PA 19428-2959.United States1 3.2.9 joint,nthe point of assembly consisting of thecoupling and the joined pipes or fittings,or both.3.2.10 shield,nan external metallic protective devicedesigned to protect the sealing gasket from external elementsthat could cause failure of the sealing assembly.4.Mate
16、rials and Manufacture4.1 Physical and chemical properties of gaskets shall com-ply with Specification C564 in accordance with Column“C”ofTable 1 of that document.Typical dimensions shall be inaccordance with Fig.2 and Table 2.4.2 Clamp assembly screws or bolts shall not have screw-driver slots.4.3 All stainless steel shall meet the physical requirementsof Specification A240/A240M.5.Elastomeric Gasket Requirements5.1 The gasket shall be tested in accordance with TestMethods D3677 and be manufactu