LTFW PART DESCRIPTIONS.xlsx

This is a parts list specification document for seat valve and check valve components required under a Department of the Navy solicitation for the USNS LUCY STONE (T-AO 209) Butterfly Valves procurement. The document identifies seven seat valve assemblies and one self-actuating check valve, all specified with VITON brand seals as a non-substitutable requirement, with no exceptions permitted.

The parts catalog includes seat valves in multiple sizes—2.5 inch, 3 inch, 4 inch, 6 inch, 10 inch, 14 inch, and 16 inch—each rated for 250 PSI with VITON or VITON-variant seals (FKM, EPDM, or VMQ elastomer materials), manual lever operation, and lever construction of either ductile iron or stainless steel. The 16-inch self-actuating check valve is rated for 3000 PSI and similarly constructed from ductile iron or stainless steel. All components are identified by specific part numbers (104-series designation). The solicitation emphasizes strict adherence to the VITON brand specification with no substitutions permitted, and vendors are instructed to submit quotes separately from the formal solicitation document without including additional terms and conditions, with all relevant details referenced within the solicitation itself.