The company's butterfly valves are full lug-type valves suitable for bidirectional end of line service and full-rated pressure. Available in sizes from 2-1/2 to 24 inches, the Class 150 (Series 6800) and Class 300 (Series 7800) are designed for applications that require higher pressure-containing capability. Other features include a carbon steel body construction, stainless steel disc and stem, and PTFE seats and seals for heat resistance.