出口管况报告的水管

SHIJIAZHUANG SHENTONG PLASTIC INDUSTRY CO.LTD PPR pipe Pressure Rating:PN1.0,PN1.25,PN1.6,PN2.0 Size(mm):20,25,32,40,50,63,75,90,110,160 Delivery Time:7-25 days Payment Term:T/T,L/C Comparision of various piping material with PP-R Pipes CRITERIAGI PIPECOPPER PIPEHDPE PIPEPVC PIPEPP-R PIPEEFFECT OF HARD WATERHigh scale formationscale formation is prohibited due to smooth boreScale formation is prohibited due to smooth boreScale formation is prohibited due to smooth boreScale formation is prohibited due to smooth boreEFFECT OF SOFT WATERGets corrodedGets corroded due to acidic nature of waterNo EffectNo EffectNo EffectHEALTH CRITERIONLow due to lead content and corrosionGood with ferrule but lead content in solder is bad for healthVery goodVery goodVery goodJOINTING TECHNIQUESThreadedSoldered/FerruleFusion WeldSolvent cementFusion weldCORROSION RESISTANCEVery LowLowNo EffectNo EffectNo EffectTHERMAL STRENGTH PROPERTY AT 60 c TEMP.Very goodVery goodLimitedNot RecommendedVery goodAVAILABILITY OF FITTINGSVery goodAverageLowGoodVery goodTHERMAL EXPANSIONLow, good for concealed pipngLow, good for concealed pipngVery High, not to be used for concealed pipingVery special care is required for concealed pipingLow, good for concealed pipngEFFECT OF SUB-ZERO TEMP.Upto 0 CUpto 0 CUpto -40 CUpto 0 CUpto -40 CUV RESISTANCEVery goodVery goodVery goodLowVery goodEASE IN INSTALLATIONLowAverageLowGoodVery goodFLOW PROPERITES FOR FRICTIONLowVery goodVery goodVery goodVery good