Since 1846, Powell Valves is been a leader in  industrial valve manufacturing.  Unified Alloys can provide Powell  Gate valves, check valves, globe valves, non-return valves, dual-plate check valves, and high performance butterfly valves.

As a full-service valve company, Powell Valve offers modifications and field services.  Their modification facility in Manning, South Carolina, is equipped to provide a wide range of custom modifications.