1、Designation: F3240 17Standard Practice forInstallation of Seamless Molded Hydrophilic Gaskets(SMHG) for Long-Term Watertightness of Cured-in-PlaceRehabilitation of Main and Lateral Pipelines1,2This standard is issued under the fixed designation F3240; the number immediately following the designation
2、 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 practice covers the requirements
3、 for the installationof seamless molded hydrophilic gaskets (SMHG) in cured-in-place pipe (CIPP) rehabilitation of main and lateral pipelines.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are prov
4、ided for information onlyand are not considered standard.1.3 There is no similar or equivalent ISO Standard.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety,
5、 health, and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of Int
6、ernational Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3D1149 Test Methods for Rubber DeteriorationCracking inan Ozone Controlled EnvironmentD1600 Terminology forAbbreviated Terms R
7、elating to Plas-ticsD2240 Test Method for Rubber PropertyDurometer Hard-nessF412 Terminology Relating to Plastic Piping SystemsF1216 Practice for Rehabilitation of Existing Pipelines andConduits by the Inversion and Curing of a Resin-Impregnated TubeF1743 Practice for Rehabilitation of Existing Pipe
8、lines andConduits by Pulled-in-Place Installation of Cured-in-PlaceThermosetting Resin Pipe (CIPP)F2019 Practice for Rehabilitation of Existing Pipelines andConduits by the Pulled in Place Installation of GlassReinforced Plastic (GRP) Cured-in-Place ThermosettingResin Pipe (CIPP)F2599 Practice for T
9、he Sectional Repair of Damaged PipeBy Means of An Inverted Cured-In-Place LinerF2561 Practice for Rehabilitation of a Sewer Service Lateraland Its Connection to the Main Using a One Piece Mainand Lateral Cured-in-Place Liner2.2 NASSCO Guidelines:4Recommended Specifications for Sewer Collection Syste
10、mRehabilitation.PACP NASSCO Pipeline Assessment CIPP; connection seal; cured-in-placeliner; end seal sleeve; leading edge; mechanical fastener;O-Ring; seamless molded hydrophilic gasket (SMHG); sec-tional liner; watertight sealTABLE 2 SMHG O-DimensionsSMHG O-RingsPipe IDin.O-Ring IDin.Thicknessin.4
11、3.51 0.165 4.25 0.166 4.9 0.168 7.16 0.1610 9.23 0.1612 10.98 0.1615 14.08 0.1618 17.34 0.1621 20.5 0.1624 23.47 0.1630 29.44 0.1636 35.25 0.16F3240 174ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Us
12、ers of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed ever
13、y five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible techni
14、cal committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocke
15、n, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 4 SMHG End Seal after CIPP InstallationFIG. 5 SMHG Connection Seal after CIPP InstallationFIG. 6 SNHG O-ring after CIPPP InstallationF3240 175
