Fermi Forward Discovery Group (FFDG) anticipates procurement of the following for Fermi National Accelerator Laboratory (Fermilab). Subcontractor to provide a firm fixed price for the following: QTY: ... Fermi Forward Discovery Group (FFDG) anticipates procurement of the following for Fermi National Accelerator Laboratory (Fermilab). Subcontractor to provide a firm fixed price for the following: QTY: 24 - Insulating Vacuum Valves - HV gate valve DN 160 (6")