... , enviromental 3.wastewater bio treat PP Slanting Pipes in WTTP: PP Slanting Pipes PP,PVC,CPVC material, expcially for CPVC ... water supply and sewerage work at present, PP Slanting Pipes Application:Plastic Inclined Packing maily used for sediment and degritting ... organic wastewater biochemical treatment of sewage and city.PP Slanting Pipes Product features:1. Wet weeks, hydraulic radius is small ...