DR 11 is a common dimension ratio in HDPE supply, indicating the pipe's wall thickness relative to its diameter. This ratio provides enhanced pressure resistance, making DR 11 HDPE pipe ideal for applications like water mains, gas lines, and industrial systems. Known for its durability, flexibility, and corrosion resistance, DR 11 ensures long-lasting performance. Trusted HDPE supply ... https://www.coastalrgp.com/hdpe-dr11-pipe/