The Henry Pratt Company designs, develops, manufactures and markets nuclear valves. The Series 1100 is available in 6" to 36" and are specific for water. Series 1200 nuclear valves are available in 6" through 48" and are specific for air. Series 1400 are also available in 6" through 48" but are specific for water. All three nuclear valve types are ASME Class 2 & 3 and ANSI 150# rated. The Pk Posi-Loc features a positive lock, stainless steel wetted parts, and is externally engaged.

Enpro provides equipment and services to the power generation industry, including nuclear, renewable energy, coal, IGCC, combustion turbine and hydroelectric applications. Products range from control valves, strainers, filtration/separation technologies, gas cooling nozzles and level instrumentation, .