- There are two types of ductile iron butterfly valve categorized by how they are operated: Lever and Gear
- There are two categories of ductile iron gate valve: Flanged and Threaded
- There are two categories of ductile iron Y strainer: Flanged and Threaded
- There are two categories of ductile iron ball valve: Flanged and Threaded
Flanged Threaded STZ 20ST 10STBF 20STLB 1/4 1/2 1/2 1/2 3/8 3/4 3/4 3/4 1/2 1 1 1 3/4 1-1/4 1-1/4 1-1/4 1 1-1/2 1-1/2 1-1/2 1-1/4 2 2 2 1-1/2 2-1/2 2-1/2 2 3 3 4 5 6 8 - There are three types of ductile iron check valve: Flanged, Threaded, and Wafer
- There are two categories of ductile iron globe valve: Flanged and Threaded