1、Designation:F90504(Reapproved 2011)Standard Practice forQualification of Polyethylene Saddle-Fused Joints1This standard is issued under the fixed designation F905;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revis
2、ion.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice describes test criteria suitable for qualifi-cation of polyethylene saddle-fused joints.These tests may beconducted by su
3、ppliers or users to qualify saddle-fused jointsin accordance with the requirements found in the Departmentof Transportation(DOT)Code of Federal Regulations(CFR)Title 49,Part 192.283.At the discretion of the end user,thesetests may also be conducted by users to qualify personnelmaking saddle fusion j
4、oints per DOT CFR 49,Part 192.285.1.2 The impact resistance test described is a nonstandardtest.This is not the only test that may be used to qualify saddlefusion joints per DOT regulations.1.3 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses ar
5、e mathemati-cal conversion to SI units that are provided for informationonly and are not considered 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 an
6、d health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal PressureD2513 Specification for Polyethylene(PE)Gas PressurePipe,Tubing,and FittingsD2683
7、Specification for Socket-Type Polyethylene Fittingsfor Outside Diameter-Controlled Polyethylene Pipe andTubingD3261 Specification for Butt Heat Fusion Polyethylene(PE)Plastic Fittings for Polyethylene(PE)Plastic Pipe andTubing2.2 DOT Document:49 CFR,Part 192,Minimum Federal Safety Standards forGasli
8、nes32.3 PPI Technical Report:TR-41/2002 Generic Saddle Fusion Joining Procedure forPolyethylene Gas Piping3.Significance and Use3.1 The tests described in this practice are intended topresent a method of satisfying the requirements of DOT CFRTitle 49,Parts 192.283 and 192.285.3.2 The sustained press
9、ure test is intended to meet the bursttest requirements of Part 192.283.3.3 The impact resistance test is intended to meet the forcerequirements of Part 192.283 as follows:3.3.1“.For procedures intended for lateral pipeconnections,subject a specimen joint made from pipe sectionsjoined at right angle
10、s according to the(joining)procedure to aforce on the lateral pipe until failure occurs in the specimen.Iffailure initiates outside the joint area,the(joining)procedurequalifies for use.”4.Materials4.1 Pipe and fittings shall meet the requirements of Speci-fication D2513.4.2 The outlet portion of a
11、saddle fitting shall conform toSpecification D2683 for socket-fusion outlets or SpecificationD3261 for butt-fusion outlets.4.3 The radius of the saddle portion of the fitting shall fit thepipe size to which it is intended to be joined.The surfacecontact area of the saddle portion of the fitting and
12、thethickness of saddle portion shall be sufficient to meet thequalification requirements of this practice.4.4 Qualification tests shall be conducted on all saddlefittings with different base areas.Only the largest outletdiameter shall be tested per fitting type if base areas are thesame.1This practi
13、ce is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.60 on Gas.Current edition approved April 1,2011.Published June 2011.Originallyapproved in 1984.Last previous edition approved in 2004 as F905 04.DOI:10.1520/F0905-04R11.2F
14、or 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 U.S.Government Printing Office Superintendent of Doc
15、uments,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Procedure5.1 General:5.1.1 Conduct each qualification test with the polyethylenesaddle fitting fused
16、to a polyethylene pipe that has a maximumpressure rating equal to or greater than that for which the gasdistribution system is designed.NOTE1It is recommended that the Generic Saddle Fusion JoiningProcedure,developed by PPI(TR-41/2002),be used for selected polyeth-ylene gas piping products.While other joining procedures can also beused,the use of this PPI procedure is intended to help DOT expedite thequalification of gas pipeline operators and add some uniformity to theindustry.5.1.2 Allow the s