MARKET SURVEY: Quartz glass windows
About This Opportunity
This is a supplies contract in the architecture and engineering and general supplies sectors, with a focus on General Supplies. Located in Germany, Europe, this opportunity is open to firms and consortiums.
Published through DÖE Bekanntmachungsservice (Germany), a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for the supply of goods in the architecture and engineering sector. Supply contracts typically require bidders to demonstrate product compliance with technical specifications, delivery capacity, and relevant certifications. Interested parties should review the full documentation on the original source before submitting their proposal.
Description
Auto-translated from GermanThe German Aerospace Center with its Institute of Combustion Technology in Stuttgart is looking for quartz glass windows for supply. These quartz glass windows are to be used in an optically accessible high-pressure combustion test rig. There are three different areas of application for these windows: • Pressure-bearing windows ("pressure vessel windows") • Windows exposed to hot combustion gases ("hot glass") • Windows carrying cooling air ("cooling glass") Since these windows must be installed pressure-tight, adherence to tolerances is of great importance. The hot glasses are approximately 200 x 100 x 8 mm³ in size and have a complex outer contour that must be manufactured in several work steps. The hot glasses are exposed to high temperatures and high flow rates, are replaced frequently, and are therefore needed in larger quantities. The pressure vessel windows are approximately 500 x 200 x 55 mm³ in size and are installed in a pressure module that operates at pressures of up to 40 bar. Therefore, these panes must be delivered with a certificate of pressure testing according to DIN EN 1288-5 double ring bending test and with a marking of each window with material certificate 3.1 according to EN 10204. These proofs are necessary for the TÜV. Material requirements must be met for all types of windows (homogeneity, bubble class, OH content, etc.). The contracting authority will definitively determine the further award procedure only after the market survey has been completed. Interested companies should send their product presentation and the contact details of a contact person in your company by e-mail to the following e-mail address by July 13, 2026, 10:00 AM, referencing "MARKET SURVEY: Quartz glass windows": jennifer.sulzberger@dlr.de.
Data provenance
This notice is sourced from DÖE Bekanntmachungsservice (Germany) and was originally published on June 12, 2026. Last refreshed today. Original language: German. BidsFactory mirrors official procurement notices and links back to the source for full legal text.
About Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR) has issued 10 procurement notices on BidsFactory, including 1 currently open and 9 awarded contracts. Activity concentrates in Architecture & Engineering Services, Water & Sanitation, and Construction & Civil Works. All notices are published for Germany. Notices are distributed via TED - Tenders Electronic Daily (EU) and DÖE Bekanntmachungsservice (Germany). Most recent publication: June 15, 2026.
Frequently asked questions about this tender
Who is the contracting authority?
This notice was issued by Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR) in Germany. The authority is responsible for evaluating bids, awarding the contract, and managing performance.
What type of contract is this?
This is a Supplies contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.
Where will the contract be performed?
The contract is for delivery in Germany. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.
How can I submit a bid?
Visit DÖE Bekanntmachungsservice (Germany) to access the full notice, required documents, and submission instructions provided by the contracting authority.
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