An adaptor with a flange in HDPE is a specialized fitting used in piping systems to connect HDPE pipes to other pipes or equipment with flange connections. It typically consists of two parts: the adaptor, which is welded to the HDPE pipe, and the flange, which is bolted to the flange of the other pipe or equipment. This allows for a secure and leak-proof connection between the HDPE pipe and the flanged component. These adaptors are commonly used in industries such as water treatment, mining, and chemical processing where the flexibility and durability of HDPE pipes are advantageous.