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    ASTM F645-2013 Standard Guide for Selection Design and Installation of Thermoplastic Water- Pressure Piping Systems《热塑性水压力管道系统选择 设计和安装的标准指南》.pdf

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    ASTM F645-2013 Standard Guide for Selection Design and Installation of Thermoplastic Water- Pressure Piping Systems《热塑性水压力管道系统选择 设计和安装的标准指南》.pdf

    1、Designation: F645 12aF645 13 An American National StandardStandard Guide forSelection, Design, and Installation of Thermoplastic Water-Pressure Piping Systems1This standard is issued under the fixed designation F645; the number immediately following the designation indicates the year of originaladop

    2、tion or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This guide is intended for use in the selection, design, and installation o

    3、f thermoplastic water systems for use outsidebuildings. For specific projects, a thorough review of this guide is recommended for the purpose of selecting specific materials,methods of joining, system design factor, and any special procedures deemed necessary to assure a satisfactory system.1.2 It i

    4、s recommended that governing codes and project specifications be consulted prior to the use of this guide. Nothing inthis guide should be construed as recommending practices or systems at variance with governing codes and project specifications.1.3 Units-The values stated in either SI units or inch-

    5、pound units are to be regarded separately as standard. The values statedin each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with the standard. The pipe, fittings, and joining

    6、materials shall meet therequirements of one or more of the following component product standards listed in 1.3.1 through 1.3.3 to the extent applicable.Those pipe standards followed by (a) are outside diameter-controlled pipes. Those followed by (b) are inside diameter-controlledpipes.1.3.1 For poly

    7、(vinyl chloride) (PVC) plastic piping components:Title of SpecificationASTMDesignationPoly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80and 120 (a)D1785Poly(Vinyl Chloride) (PVC) Plastic Pipe (SDR-PR) (a) D2241Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings,Schedule 80D2464Poly(Viny

    8、l Chloride) (PVC) Plastic Pipe Fittings, Schedule40D2466Socket-Type Poly(Vinyl Chloride) (PVC) Plastic PipeFittings, Schedule 80D2467Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Pipeand FittingsD2564Bell-End Poly(Vinyl Chloride) (PVC) Pipe (a) D2672Poly(Vinyl Chloride) (PVC) Plastic Tubing

    9、 (a) D2740Socket-Type Poly(Vinyl Chloride) (PVC) Plastic LineCouplingsD3036Joints for Plastic Pressure Pipes Using Flexible ElastomericSealsD3139Elastomeric Seals (Gaskets) for Joining Plastic Pipe F477PVC and ABS Injected Solvent Cemented Plastic PipeJointsF5451.3.2 For polyethylene (PE) plastic pi

    10、ping components:Title of SpecificationASTMDesignationPolyethylene (PE) Plastic Pipe, (SDR-PR) (b) D2239Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe D2609Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe (a)D2683Polyethylene (PE) Plastic Tubing (a) D273

    11、7Polyethylene (PE) Plastic Pipe (SDR-PR) Based onControlled Outside Diameter (a)D3035Butt Heat Fusion Polyethylene (PE) Plastic Fittings forPolyethylene (PE) Plastic Pipe and TubingD32611 This guide is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsib

    12、ility of Subcommittee F17.61 on Water.Current edition approved Dec. 1, 2012Jan. 1, 2013. Published February 2013. Originally approved in 1980. Last previous edition approved in 2012 asF645 12.F645 12a. DOI: 10.1520/F0645-12A.10.1520/F0645-13.This document is not an ASTM standard and is intended only

    13、 to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versio

    14、nof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States11.3.3 For poly(vinyl chloride) (PVC) and

    15、polyethylene (PE) Plastic Piping Components Issued By the American Water WorksAssociation:C900 Poly(Vinyl Chloride) (PVC) Pressure Pipe,4-inch through 12-inch, for Water (a)C901 Polyethylene (PE) Pressure Pipe, Tubingand Fittings, 12-inch through 3-inch, for Water1.3.4 Pipes with wall thicknesses le

    16、ss than 1.50 mm (0.06 in.) are not recommended.1.4 Other Joining DevicesJoining devices other than those covered by the listed standards may be selected by the user on thebasis of his own engineering evaluation and service experience.1.5 This standard does not purport to address all of the safety pr

    17、oblems, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D1600 Terminology for Abbreviated Terms

    18、Relating to PlasticsD1784 Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC)CompoundsD1785 Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120D2239 Specification for Polyethylene (PE) Plastic Pipe (SIDR-PR) Based

    19、on Controlled Inside DiameterD2241 Specification for Poly(Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR Series)D2464 Specification for Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80D2466 Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40D2467 Spe

    20、cification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80D2564 Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping SystemsD2609 Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic PipeD2672 Specification for Joints for IPS PVC Pipe U

    21、sing Solvent CementD2683 Specification for Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe and TubingD2737 Specification for Polyethylene (PE) Plastic TubingD2740 Specification for Poly(Vinyl Chloride) (PVC) Plastic Tubing (Withdrawn 1989)3D2774 Practice for Under

    22、ground Installation of Thermoplastic Pressure PipingD2855 Practice for Making Solvent-Cemented Joints with Poly(Vinyl Chloride) (PVC) Pipe and FittingsD3035 Specification for Polyethylene (PE) Plastic Pipe (DR-PR) Based on Controlled Outside DiameterD3036 Specification for Socket-Type Poly(Vinyl Chl

    23、oride) (PVC) Plastic Line Couplings (Withdrawn 1985)3D3139 Specification for Joints for Plastic Pressure Pipes Using Flexible Elastomeric SealsD3261 Specification for Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and TubingD3350 Specification for Polyethylene

    24、 Plastics Pipe and Fittings MaterialsF412 Terminology Relating to Plastic Piping SystemsF477 Specification for Elastomeric Seals (Gaskets) for Joining Plastic PipeF545 Specification for PVC and ABS Injected Solvent Cemented Plastic Pipe Joints (Withdrawn 2001)3F1498 Specification for Taper Pipe Thre

    25、ads 60 for Thermoplastic Pipe and Fittings2.2 American Water Works Association Standards4:C651 Disinfecting Water MainsC900 Poly(Vinyl Chloride) (PVC) Pressure Pipe, 4-Inch Through 12-Inch, for WaterC901 Polyethylene (PE) Pressure Pipe, Tubing and Fittings, 12-Inch Through 3-Inch, for Water2.3 Plast

    26、ics Pipe Institute Report:5PPI-TR 3 HDB/PDB/SDB/MRS PoliciesPPI-TR 4 HDB/SDB/PDB/MRS Listed MaterialsPPI-TR 9 Recommended Design Factors and Design Coefficients for Thermoplastic Pressure Pipe2.4 NSF Standards:NSF/ANSI Standard No. 14 for Plastic Piping Components and Related Materials6NSF/ANSI Stan

    27、dard No. 61 for Drinking Water Systems ComponentsHealth Effects62 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM websi

    28、te.3 The last approved version of this historical standard is referenced on www.astm.org.4 Available from American Water Works Association (AWWA), 6666 W. Quincy Ave., Denver, CO 80235, http:/www.awwa.org.5 Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825, Irving, TX 75062,

    29、http:/www.plasticpipe.org.6 Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., Ann Arbor, MI 48113-0140, http:/www.nsf.org.F645 1322.5 Uni-Bell PVC Pipe Association7Uni-Bell Handbook of PVC Pipe , Chapter VIII, Table 8.73. Terminology3.1 Definitions are in accordance with Termino

    30、logy F412 and abbreviations are in accordance with Terminology D1600 andSymbols unless otherwise specified.3.2 relation between standard dimension ratio, hydrostatic design stress, and pressure ratingthe following expression is usedin this guide to relate standard dimension ratio, hydrostatic design

    31、 stress, and pressure rating:2S/P 5 R 21or2S/P 5 D/t! 21 (1)where:S = hydrostatic design stress, MPa (or psi),P = pressure rating, MPa (or psi),D = average outside diameter, mm (or in.),t = minimum wall thickness, mm (or in.), andR = standard thermoplastic pipe dimension ratio also known as SDR or S

    32、IDR, whichever is applicable.d = average inside diameter, mm (or in.)substitute d for D in equations and change minus sign to plus.4. Significance and Use4.1 The requirements of this specification are intended to provide information to select, design and install thermoplastic,water-pressure piping s

    33、ystems for use outside buildings. Materials covered in this specification are Poly(Vinyl Chloride) (PVC)and Polyethylene (PE) plastic pipe fittings.5. System Pressure Design5.1 The maximum pressure ratings in Tables 1-7 make allowance for normal operating conditions, reasonable installationprocedure

    34、s, good handling, good joining workmanship, operating temperatures below 27C (80F), and surges likely to beencountered at water flow velocities up to 5 ft/s (1.5 m/s). Tubing Sizes with pressure ratings less than 160 psi are listed in thetables. (Note 1, Note 2).NOTE 1See Marking section and appendi

    35、x of applicable pipe specification for marking pipe with pressure ratings lower than the maximum valuesgiven in Tables 1-7.7 Available from UNI-BELL PVC Pipe Association, 711 LBJ Freeway, Suite 1000, Dallas, TX 75234, http:/www.uni-bell.orgTABLE 1 Maximum Water Pressure Ratings at 23C (73F) forSched

    36、ule 40 PVC Plastic Pipe (Specification D1785)Nominal PipeSize, in.PVC 1120PVC 1220PVC 2120Pressure Rating, psiAPVC 2116 PVC2110 PVC211212 600 480 300 37034 480 390 240 3001 450 360 220 280114 370 290 180 230112 330 260 170 2102 280 220 140 170212 300 240 150 1903 260 210 130 160312 240 190 120 1504

    37、220 180 110 1405 190 160 100 1206 180 140 90 1108 160 120 80 10010 140 110 NPRB 9012 130 110 NPR 80A These maximum pressure ratings apply only to unthreaded pipe. The industryrecommends against the use of threaded PVC plastic pipe in Schedule 40 wallthickness in nominal pipe sizes 6 in. and smaller.

    38、 See applicable ASTM standardfor code designation, for example, PVC 1120. Pipe with pressure ratings less than0.34 MPa (50 psi) is not recommended for use in pressure systems.B NPR = not pressure rated.F645 133NOTE 2Changes to Specification D3350 and PPI-TR 3 led to changes in thermoplastic material

    39、s designation codes, resulting in materials designationPE 2406 being superseded by materials designations PE 2606 and PE 2708, materials designations PE3306 and PE 3406 being superseded by PE 3606and materials designation PE 3408 being superseded by materials designations PE 3608, PE 3708, PE 3710,

    40、PE 4608, PE 4708, and PE 4710. Recognizingthat a period of time is necessary for the dissemination of information and to update specifications and literature, during the transitional period, productmarkings that include both older and newer materials designations, for example PE 2406/PE 2606, may oc

    41、cur.5.2 The maximum safe water velocity in a thermoplastic piping system depends on the specific details of the system and theoperating conditions. In general, 5 ft/s (1.5 m/s) is considered to be safe. Higher velocities may be used in cases where theoperating conditions can be controlled or a highe

    42、r design factor than 2.0 is used, or both. The total pressure in the system at anytime (operating plus surge or water hammer) due to surges or water hammers shall not exceed 150 % of the pressure rating of thesystem.5.3 The maximum pressure ratings in Tables 1-7 make some allowance for surge and wat

    43、er hammer. However, when excessivesurges and water hammer are likely to be encountered, extra allowance should be made or protective devices installed. The surgeor water hammer resulting from rapid flow stoppage may be calculated by means of the following equation:p 5 V! 4,033S11 300 000dEt D(2)TABL

    44、E 2 Maximum Water Pressure Ratings at 23C (73F) for Schedule 80 PVC Plastic Pipe (Specification D1785)Nominal Pipe Size in.Pressure Rating, psiAPVC 1120, PVC 1220, andPVC 2120PVC 2116 PVC 2110 PVC 2112Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded14 850 420 680 340 4

    45、20 210 530 26034 690 340 550 280 340 170 430 2101 630 320 500 250 320 160 390 200114 520 260 420 210 260 130 320 160112 470 240 380 190 240 120 290 1502 400 200 320 160 200 100 250 130212 420 210 340 170 210 110 260 1303 370 190 300 150 190 90 230 120312 350 170 280 140 170 90 220 1104 320 160 260 1

    46、30 160 80 200 1005 290 140 230 120 140 NPRB 180 906 280 140 220 110 140 NPR 170 908 250 120 200 100 120 NPR 150 8010 230 120 190 90 120 NPR 150 NPR12 230 110 180 90 110 NPR 140 NPRA See applicable ASTM standard for code designation, for example, PVC 1120. Pressure ratings are lower at elevated tempe

    47、ratures. Pipe with pressure ratings less than0.34 MPa (50 psi) is not recommended for use in pressure systems.B NPR, not pressure rated.TABLE 3 Maximum Water Pressure Ratings at 23C (73F) for Schedule 120 PVC Plastic Pipe (Specification D1785)Nominal Pipe Size,Pressure Rating, psiAPVC 1120,PVC 1220,

    48、PVC 2120PVC 2116 PVC 2110 PVC 2112Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded12 1010 510 810 410 510 250 630 32034 770 390 620 310 390 190 480 2401 720 360 570 290 360 180 450 220114 600 300 480 240 300 150 370 190112 540 270 430 210 270 130 340 1702 470 240 380 1

    49、90 240 120 290 150212 470 230 370 190 230 120 290 1503 440 220 360 180 220 110 280 140312 380 190 310 150 190 100 240 1204 430 220 340 170 220 110 270 1305 400 200 320 160 200 100 250 1206 370 190 300 150 190 90 230 1208 380 180 290 140 180 90 230 11010 370 180 290 140 180 90 230 11012 340 170 270 140 170 80 210 110A See applicable ASTM standard for code designation, for example, PVC 1120. Pressure ratings are lower at elevated temperatures.F645 134where:p = peak water surge pressure, psi,E = modulus of elasticity of the pipe material


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