DR11 refers to a dimension ratio in HDPE piping, where the wall thickness is one-eleventh of the pipe's outer diameter. This thicker wall design allows DR11 pipes to handle higher pressures, making them ideal for water, gas, and industrial applications. As a key product in HDPE supply, DR11 piping offers strength, flexibility, and long-term durability, ensuring reliable performance in... https://www.coastalrgp.com/hdpe-dr11-pipe/