1) Press the diameter Category: Press the outer diameter polyethylene (PE) double-wall corrugated pipe commonly used are dozens of specifications pe corrugated drainage pipe, see Table 1. Table 1 nominal diameter de nominal diameter dn standard length standard length 160,200,250,315,4004000,6000500,630,800 1000,12004000,6000 Xiong Wang Thai Plastic Products Factory 2) pipe ring stiffness of choice is plastic an important indicator of pipeline design, so should the pipeline depth, ground load, nature and trench backfill compaction factor and construction loads and other factors considered OK. Blind high ring stiffness uneconomical. Depth of less than 1.0m under the roadway pipes, pipe deformation should also consider the impact on the road. Xiong Wang Thai Plastic Products Factory pe bellows Standard | Nanjing pe bellows | provided by Xiong Xiong Wong Tai Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) strong, credible, in Baoding UPVC pipe industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Taihe Wang Xiong you hand into the brilliant, for a better future!