1、Designation:F 771 99e1An American National StandardStandard Specification forPolyethylene(PE)Thermoplastic High-Pressure IrrigationPipeline Systems1This standard is issued under the fixed designation F 771;the number immediately following the designation indicates the year oforiginal adoption or,in
2、the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.e1NOTEKeywords added editorially in November 2003.1.Scope1.1 This specification covers polyethylene(
3、PE)thermoplas-tic pipelines used to convey,at rated pressures of 80 to 200 psi,water that is to be used for irrigation purposes.This specifica-tion includes criteria for classifying the pipe materials,asystem of nomenclature for plastic pipe,requirements for pipe,test methods,joints,fittings,certifi
4、cation,and marking.1.2 The values stated in inch-pound units are to be regardedas the standard.1.3 The following safety hazards 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 it
5、s 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:D 1238 Test Method for Flow Rates of Thermoplastics byExtrusion Plastomer2D
6、1248 Specification for Polyethylene Plastics ExtrusionMaterials for Wire and Cable3D 1505 Test Method for Density of Plastics by the Density-Gradient Technique2D 1598 Test Method for Time-to-Failure of Plastic PipeUnder Constant Internal Pressure4D 1599 Test Method for Short-Time Hydraulic Failure P
7、res-sure of Plastic Pipe,Tubing,and Fittings4D 1600 Terminology for Abbreviated Terms Relating toPlastic2D 2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and Fittings4D 2239 Specification for Polyethylene(PE)Plastic Pipe(SIDR-PR)Based on Control Inside Diameter4D 2609 Specificati
8、on for Plastic Insert Fittings for Polyeth-ylene(PE)Plastic Pipe4D 2683 Specification for Socket-Type Polyethylene Fittingsfor Outside Diameter-Controlled Polyethylene Pipe andTubing4D 2837 Test Method for Obtaining Hydrostatic DesignBasis for Thermoplastic Pipe Materials4D 3035 Specification for Po
9、lyethylene(PE)Plastic Pipe(DR-PR)Based on Controlled Outside Diameter4D 3261 Specification for Butt Heat Fusion Polyethylene(PE)Plastic Fittings for Polyethylene(PE)Plastic Pipe andTubing4D 3350 Specification for Polyethylene Plastics Pipe andFittings Materials5F 412 Terminology Relating to Plastic
10、Piping Systems42.2Federal Standard:Fed.Std.No.123 Marking for Shipment(Civil Agencies)62.3Military Standard:MIL-STD-129 Marking for Shipment and Storage63.Terminology3.1 Definitions:3.1.1 GeneralNomenclature is in accordance with Termi-nology F 412 and abbreviations are in accordance with Termi-nolo
11、gy D 1600,unless otherwise indicated.3.1.2 high-pressure irrigation pipelinethis term applies tounderground pipelines constructed of PE pipe from 0.5 to 6 in.nominal diameter and subject to pressures,including surgepressures,from 80 to 200 psi(550 to 1380 kPa).3.1.3 hydrostatic design stressthe reco
12、mmended maxi-mum hoop stress that can be applied continuously with a highdegree of certainty that failure of the pipe will not occur.3.1.4 pressure rating(PR)the estimated maximum pres-sure that the medium in the pipe can exert continuously with ahigh degree of certainty that failure of the pipe wil
13、l not occur.1This specification is under the jurisdiction ofASTM Committee F-17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F 17.61 on Water.Current edition approved April 10,1999.Published July 1999.Originallypublished as F 771 82.Last previous edition F 771 95.2Annual
14、 Book of ASTM Standards,Vol 08.01.3Annual Book of ASTM Standards,Vol 08.03.4Annual Book of ASTM Standards,Vol 08.04.5Annual Book of ASTM Standards,Vol 08.03.6Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.1Copyright ASTM Int
15、ernational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.3.1.5 relation between standard dimension ratio,hydro-static design stress and pressure ratingthe following expres-sion,commonly known as the ISO equation,is used to relatestandard dimension ratio,hydrostatic
16、design stress,and pres-sure rating:For outside diameter-controlled pipe:2S/P 5 SDR 2 1 or 2S/P 5D0/t!2 1(1)For inside diameter-controlled pipe:2S/P 5 SIDR 1 1 or 2S/P 5Di/t!1 1(2)where:S=hydrostatic design stress,psi(or kPa),P=pressure rating,psi(or kPa),D0=average outside diameter,in.(or mm),Di=average inside diameter,in.(or mm),SDR=D0/t,andSIDR=Di/t.3.1.6 standard dimension ratios(SDR)a specific ratio ofthe average specified outside diameter to the minimum speci-fied wall thicknessD0/t(3)for o
