SLAC National Accelerator Laboratory is operated by Stanford University for the Department of Energy. As a management and operating contractor, subcontracts awarded by the Laboratory are not Federal procurements, and are not directly subject to the Federal Acquisition Regulations in 48 CFR. Nonetheless, certain Federal laws, Executive Orders, and regulations may affect our DOE approved purchasing system, as required by statute, regulation, or contract terms and conditions. SLAC has a requirement for a U.S. domestic end item source of the following: Qty 1 (48240-CE44-0003: All-metal gate valve DN 100 (4") flange : CF-F fixed flange metric threads (compatible with ISO 3669 Fig.2) body : Stainless steel drive : Pneumatic actuator with position indicator with solenoid valve double acting) The award will be made based upon the attached Lowest Price Technically Acceptable method. Marking of Proprietary/Confidential Information. Offerors shall properly mark and identify with a restrictive legend or information markings on pages of the proposal that contain Proprietary/confidential information. For Offeror to be eligible for a subcontract award with the University and the U.S. Department of Energy (DOE), Offeror shall be registered with the System for Award Management (SAM). Entities may register at no cost directly at the SAM website: https://www.sam.gov. The resulting purchase order shall be performed in accordance with SLAC National Accelerator Laboratory's Terms and Conditions for Fixed Price Commercial Supplies and Services dated August 2023. NOTE: The following documents are attached in this solicitation. Buy American Act Certificate, dated 10/28/2025 Terms & Conditions for Fixed Price Commercial Supplies and Services, August 2023 Please provide quoted price, delivery, technical compliance statement and certification to the attention of Bernadette Espiritu. Payment Terms: Net 30 days Freight terms: FOB Destination Prepaid and Add