Supplier Network
Meridian Valve Systems
Profile
Sole qualified source for two families of hull-penetrating shutoff valves used across both Columbia and Virginia programs. Single-site operation with no qualified second source today.
Capability
Specialty Valves
Location
Chattanooga, TN
Line of effort
Supply Chain Development
Last assessment
2026-06-28
Employees
188
Contract value
$37.9M
Risk notes
Single point of failure — no qualified alternate source for the 4-inch hull shutoff valve family.
Machining capacity utilization at 96%; no headroom for the FY27 rate increase.
Two of three certified NDT inspectors are within 18 months of retirement.
Qualification timeline
2021-05-17Qualified
Legacy supplier carried over from the prior program office.
2025-11-04Capacity review
Flagged as constrained under the 2/yr Virginia profile.
2026-06-28Risk flag raised
Elevated to single-point-of-failure watch list.