# Dilution Refrigerator Systems

Canonical: https://abierto.us/opportunities/pr452359

- Solicitation number: PR452359
- Notice type: Solicitation
- Status: Open. Offers due November 9, 2026 at 5:00 PM EST
- Department: Department of Energy
- Contracting office: ORNL Ut-Battelle LLC-DOE Contractor (899042)
- NAICS: 334516 Analytical Laboratory Instrument Manufacturing
- Product or service code: 6640 Laboratory Equipment and Supplies
- Place of performance: Oak Ridge, Tennessee
- Who can bid, by location: Anywhere in the US. Location does not limit who can bid: a product shipped to the buyer, research at the performer's facility, or work at the contractor's site. A state shown is the delivery point.
- County: Anderson County (FIPS 47001). https://abierto.us/counties/anderson-county-tn-47001
- City: Oak Ridge. https://abierto.us/cities/oak-ridge-tn-4755120
- First posted: October 19, 2026
- Last posted: October 19, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/7544b01759f448ceb8d2cede54f73e10/view

## Description

Request for Proposal: RFP No. PR452359 Dilution Refrigeration Systems

Oak Ridge National Laboratory (ORNL), managed by UT-Battelle for the US Department of Energy, is inviting you to submit a Firm Fixed Price proposal for the following item listed below. An award will be made based on the lowest priced, technically acceptable proposal.

Summary of Work/Description of Items:

A dilution refrigerator system consisting of a Gas Handling System Refrigerator and two identical He3/He4 dilution inserts as specified and in accordance with the attached RFP documents.

## Attachments

- [Attachment K - Representations and Certifications-International -BSD-CS-2123 (10_2025).pdf](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/d76cec0e9e0c446cb40d903ebaf32fdc/download)

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## Publications

- October 19, 2026: Solicitation, due November 9, 2026 at 5:00 PM EST. Notice 7544b01759f448ceb8d2cede54f73e10. https://sam.gov/workspace/contract/opp/7544b01759f448ceb8d2cede54f73e10/view

## Points of contact

- Bill Mitchum, mitchumwc@ornl.gov, 8653412745

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/pr452359.