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Current domestic non-metallic pipe selection table serial number pipe variety code standard number operating temperature (°C) operating pressure (MPa) existing specifications and dimensions (mm) connection method applicable scope remarks 1 high-density polyethylene pipe HDPEGB1930-93≤601 DN25-1000 hot fusion welding and electrofusion welding are suitable for water supply and drainage pipes, underground pipes, wear-resistant pipes, chemical pipes and gas pipes. DN110-3500 has a promising future. There are also corrugated underground pipes and 2 rigid polyvinyl chloride chemical pipes PVC-UGB/T4219-96. GB/T4220-84≤601.6DN25-800 socket and flange are suitable for chemical acid-resistant pipes, low price, no plasticizer, easy to weld 3 FRP/PVCH externally reinforced polyvinyl chloride composite pipe GJ515-87＜801.6DN25-800 socket and flange are suitable for process acid pipes with low price 4 FRP external reinforced polypropylene composite pipe FRP/PPHG/T21579-95-15~+1 001.6DN15-600 socket and flange are suitable for process acid pipes and sewage pipes (acid belt solution) with high interlayer composite bonding requirements. 5 glass fiber (inner) reinforced polypropylene pipe FRPP (or RRP) HG2053 9-92-20~+1201DN15-500 (800) butt welding (flange, thread) is suitable for process acid pipes, sewage pipes have slightly poor weldability 6-fiber wound glass fiber reinforced plastic pipe FRP (FW) JC552-94 HGJ534-91≤120 (related to resin)≤1.6DN25-3000 socket and flange are suitable for pressure acid-resistant pipes and sewage pipes. Vinyl ester resin is commonly used as the main 7 steel-lined modified polypropylene composite pipe CS/PPHG/T2437-93 HG20538-92-14~+1001.6DN25-400 flange (thread) is suitable for pressure process acid pipes. The thermal expansion problem should be considered. 8 steel lined polytetrafluoroethylene pipe (push pipe) CS/F (PTTE) HG/T21526-94 ASINI545-96-20~+1801.6DN25-400 (L≤4000) flange (thread) is suitable for high-temperature processes and acid-resistant pipes. Thermal expansion issues should be considered. F4 cannot be welded and has poor vacuum resistance. 9 steel roll-lined polyethylene pipe CS/HDPEASTM F1545-96＜601.6DN25-1000 flange is suitable for large diameter wear-resistant pipes. The thickness can be 3~5mxn. Processing uniformity is required. 10 steel roller lining F40 pipe CS/F40 (ETFE) ASIMI545-96-20~+1801.6 vacuum DN25-1600 flange is suitable. Used for acid-resistant, high-temperature resistant, vacuum tube melting integrated tight lining process, can produce equipment and special-shaped parts, the thickness can be adjusted 11 steel-lined rubber pipe HG21501-93≤851DN25-400 flange is suitable for acid-resistant pipes that are easy to age 12 building hard polyvinyl chloride water supply and drainage pipes UPVCGR/T10002.1-96 ISO4422-92 ISO3633-91≤601.6DN25-250 sockets and casings are suitable for building water supply and drainage pipes at low prices. The technical specifications are CECS17-9013 PVC reinforced drainage pipes (R-Rib) 601DN150-400 socket is suitable for buried pipe 14PVC double-wall corrugated drainage pipe GB/T18477-2001601DN110-500 socket is suitable for buried pipe 15 sand-filled glass fiber reinforced plastic pipe JC/T838-98 ASIMD2996 AWWA-C950-95601.6DN500-2500 socket is suitable for buried pipes with good stiffness and low cost. 16 Styrene/butadiene/acrylonitrile pipe ABSHG21561-94≤701DN15-200 socket and flange are suitable for general pure water pipes. 17 Polyvinylidene fluoride pipe PVDF (F2) ≤1601DN25-150 butt welding and flange are suitable for high-purity water pipes and highly corrosive pipes. The price is high and the performance is the same as F4 pipe, but the processability and weldability are good. 18 Glass-lined pipe HG12130-2142-90≤2001DN50-250 (L≤3000) Flange is suitable for general corrosive pipes. Not commonly used, high installation requirements, easy to damage 19 steel skeleton PE pipe for water supply CJ/T123-124-2000 industrial pipe CJ/T3600-3690-2000702.5DN50-500 electric fusion welding is suitable for water supply pipes, sewage pipes, gas pipes and gas pipes. There is also a special standard 20 cross-linked (high density) polyethylene pipe XPE (or XLPE) DINI16892BS7291 GB/T18992-2003951.6DN20-63 snap ring tightening type is suitable for hot and cold water pipes. It has good creep resistance, slightly poor rigidity, and its performance is related to the cross-linking degree. 21 Aluminum-plastic composite pipe HPPE/Al/HDPECJ/T108-99ASIMF1282-92 GB/T18977-2003601.6DN inner 10-50 snap ring tightening is suitable for cold water pipe connection with poor reliability 22 random polypropylene pipe PPRGB/T18742-2002D IN8077601.6DN20-75 hot melt is suitable for cold and hot water pipes. Special raw material 23 polybutylene pipe PB-1DINI6968901.6DN20-32 hot melt is suitable for hot water pipe injection.: The operating pressure is related to the pipe diameter: The raw materials used for CS/F40 pipe and PVDF pipe are mainly imported materials, and the pipe quality is good. ； bring * Those with ( ) are for common use, and those with ( ) are for special use. CPVC pipe is chlorinated polyvinyl chloride, which is a new generation of modified PVC pipe. It has good temperature resistance, good flame retardancy and good corrosion resistance. It is suitable for occasions with high corrosion resistance requirements.