Jiangsu PP Tee Manufacturer | Quote | Customization [Jiangsu Jiayuan Pipe Valve Co., Ltd.] PP Tee fittings are mainly used in pipeline systems where branching is required, connecting a main pipeline to multiple branch pipelines. They come in two types: equal diameter and reducing tee, with equal diameter tees having the same end dimensions and reducing tees having different main and branch pipeline end dimensions. Known for their excellent acid and alkali resistance, corrosion resistance, and temperature resistance, as well as smooth surfaces, free of impurities and bubbles, PP tees are widely used in various fields.