The PT Coupling 1800330 is a 3-inch cam and groove coupler with a Type C connection on one end and a 3-inch Hose Shank connection on the other. Constructed from durable ductile iron, it measures 2.65 inches in inner diameter, 5.46 inches in outer diameter, and 6.32 inches in length. The coupler features HBS 300 Series Stainless Steel cam arms with a 2.27-inch exposed length and an extended cam arms diameter of 9.56 inches. With a maximum operating pressure of 200 psi, it is well-suited for demanding abrasive media applications including sand, grout, and cement, as well as construction, oil and gas, mining, steel processing, transportation, and railroad use.