BALL AND SEAT SET

The United States Navy is soliciting proposals for the procurement of a Ball and Seat Set for a size 3 inch Ball Valve. The set consists of one Ball and two matching Seats, which must meet specific material and performance requirements. The contractor must provide a certificate of compliance, and the material must be traceable to material certification test reports. The contract will be for a period of 365 days, and the contractor must maintain a quality system in accordance with ISO-9001. The Navy reserves the right to inspect the material at the contractor's facility. Key features of the required Ball and Seat Set include: * The Ball must be made of SAE-AMS-6931 material or Centrifugally cast 6AL-4V, ASTM-B367, Grade C-5. * The Seats must be made of MD71-GG Mearthane (Graphite Filled Urethane) and must meet specific property requirements. * The Ball and Seats must undergo hydrostatic testing and other inspections to ensure they meet the required standards. * The contractor must provide certification data, including material certification test reports, and must maintain traceability of the material. * The contractor must also comply with various quality assurance requirements, including maintaining a quality system, performing inspections and tests, and providing certification data.