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The Proton Improvement Plan II (PIP-II) is a particle accelerator being built as an upgrade of Fermilab accelerator complex. The accelerator includes cryogenically cooled superconducting radio frequen... The Proton Improvement Plan II (PIP-II) is a particle accelerator being built as an upgrade of Fermilab accelerator complex. The accelerator includes cryogenically cooled superconducting radio frequency cavities using liquid helium (He II) at 2 K. The Tunnel Transfer Line (TTL) Warm Manifolds deliver helium gas for operation of the accelerator. This specification seeks proposals for Warm Manual Valves that are to be installed on the TTL Warm Manifolds.