聚乙烯压力管标准的若干问题

„„GeorgFischer+GF+„„„„„2000152607%„20012000350„IAL2003200215202000HDPE/MDPE29%LDPE5%XLPE2%PB0%PP5%ABS0%PVC59%()(1997)PVC60.6%HDPE/MDPE27.4%XLPE1.1%PB0.3%PP4.9%ABS0.4%LDPE5.2%/HDPE/MDPELDPEXLPEPBPPABSPVC0200,000400,000600,000800,0001,000,0001,200,000T2000HDPE/MDPELDPEXLPEPBPPABSPVC2000HDPE/MDPE87%LDPE5%XLPE3%PB0%PP0%ABS0%PVC5%010203040506070HDPE/MDPELDPEXLPEPBPPABSPVC%199720002001WalshconsultingServicesDallas20022001/PE(WalshConsulting,2002)46%11%10%9%8%7%2%2%2%3%9%//HDPE„„PEPEPEXPEXPE-RTUHWPE„PE„IGU——1988„(PE)„„„„PEISO(metric)EuropeNorthAfricaSouthAmerikaSouthEastAsiaAustralia(inch)USACanadaMexicoASTM(inch)GBCommonwealthBSJIS(inch)JapanKoreaInternationalStandardsOrganisationComitéEuropéendeNormalisation(Europeancommitteeforstandardisation)CENNationalstandardsanddirectivesDINNF„GB/T13663—2000PE„„„„„„„„„LPL205097.5%MPa„GB/T18252-2000„GB15558.1—1995:205095%„„ISO12162„ISO——„P„Dm„Dm=D+d/2=D-sDS„SDDSPmm/22σσ==„„„„ab2-164abPPR„„„SCGPE)(RCR,PE)„„„„NPT“V”NPTNPT„„„„20%ISO/TC138/SC4:„HDPE100hPE80HDPEMDPE„NPTNPTPESCG„NPTBeechPE100NPTNPTGB/T13663—2000„„„HALS„ISO46071978„GB/T36811983„453.5GJ/„1804.6MPa165h„2)350„3)20010min”1000mm………„„„PNPN20MPa„(MOP)MPa/CJJ101-20041.51.0MPa1.60MPa„„„“”“”„RCP„GB15558.1-1995„„„„SCG„RCPMpaA4.0P6.4B2.5P4.0C1.6P2.5A0.8P1.6B0.4P0.8A0.2P0.4B0.005P0.2P0.00510barPE100„90(4bar)„1997SDR174bar„19975.6bar„19987&8bar16bar:64%„1998SDR1110barDVGW472PE80PE100171bar4bar114bar10barSDRSDRPE„„CJJ63-95„GB50028„MOP10bar„ISO/TS10839Polyethylenepipesandfittingsforthesupplyofgaseousfuels-Codeofpracticefordesign,handlingandinstallation„DVGWG472Gaspipesystemupto10baroperatingpressuremadefrompolyethylene(PE80,PE100undPE-Xa)–establishment„GB50028-932002„EN12007-1:2000Gassupplysystems-Pipelinesformaximumoperatingpressureuptoandincluding16bar-Part1:Generalfunctionalrecommendations„EN12007-2:2000Gassupplysystems-Gaspipelinesformaximumoperatingpressureuptoandincluding16bar-Part2:Specificfunctionalrecommendationsforpolyethylene(MOPuptoandincluding10bar)„CJJ63-95„EN1555-1:2002(E)gaseousfuel„anyfuelwhichisingaseousstateatatemperatureof15C,attheatmosphericpressureRCP„/Steelpipe25mmthickwallRe:BGCorpRCPinitiationpipeRe:ADVANTICAIrwin—Corten2/1)8(1DEGSDRpDcπ=BecetelFullScaletestsite(uptoØ630mm)PneumaticdevicefortheinitiationofbrittlecrackS4testrigs(uptoØ900mm)„FS„S4„ISO4437pc/pcs4=3.6„pc=3.6pcs4+2.6PERCP„„„——„„„„RCPISO44371997„RCPPEMOP0.01MPa,dn250mmMOP0.4MPa,dn90mm0RCP„S4ISO44371997FSdn250mmS4MPaMPapCFS1.5MOPS4pC,S4MOP/2.4-0.072400RCP„MOP0.01MPa,dn250mmMOP0.4MPa,dn90mm0RCPpCFS1.5MOPbar/C2CDFDF=f0f1f2f3f4f5„f01.0LPG1.1„f11.01.2„f2-10/01.20/201.0„f31.00.9„RCPf41.0„f50.91.051.2„ASTMD40191994a„EN12118,Plasticspipingsystems—Determinationofmoisturecontentinthermoplasticsbycoulometry.„ISO15512,Plastics—Determinationofwatercontent