American Cast Iron Pipe Company manufactures resilient seated gate valves and relevant accessories made from ductile iron. The Series 2500 gate valves of size range from 14 to 66 inches, and are internally and externally coated in epoxy. The Series 2500 resilient wedge gate valves of size range from 24 to 48 inches, and are designed for potable water, sewage and fire protection systems with a working pressure of 250 psig. The Series 2500 AWWA resilient wedge gate valves range in size from  2 to 12 inches, and are made for drinking water, sewage, irrigation and fire protection systems with a working pressure of 250 psig.