# Pre-Market Consultation – 48-inch Flanges for Offshore Hydrogen Pipeline Closed · Tender **This opportunity is closed. Its page stays for reference.** Similar open opportunities: - [Lieferung und Aufstellung von zwei Außenfuttersilos für den Geflügelbereich des VBZL Haus Düsse](https://inteliwert.com/tender/opp_YV7YEZNQJDXC10KRMJXPDN7HVR/lieferung-und-aufstellung-von-zwei-aussenfuttersilos-fuer-den-gefluegelbereich-d) - [Lieferung eines AB-Transport nach DIN 14 505](https://inteliwert.com/tender/opp_VQF38PRRXGPQ97DTA8GY49V34V/lieferung-eines-ab-transport-nach-din-14-505) - [Rahmenvereinbarung für Städtische und SBO eigene Objekte: Heizung-, Lüftungs- und Sanitärarbeiten](https://inteliwert.com/tender/opp_NXZ2MFXBXY3XEEDS5JR2R0Z00A/rahmenvereinbarung-fuer-staedtische-und-sbo-eigene-objekte-heizung-lueftungs-und) - [Folierung Glasfassaden](https://inteliwert.com/tender/opp_5Z08MRZ497KW0B6A0YFY5VC1TR/folierung-glasfassaden) - [Rahmenvertrag über die Lieferung von Heizungs-, Sanitär,- und Installationsmaterial](https://inteliwert.com/tender/opp_9SJ4KM9B0Y7ZQ0W9Y4C80JXE2K/rahmenvertrag-ueber-die-lieferung-von-heizungs-sanitaer-und-installationsmateria) ## At a glance AquaDuctus Pipeline GmbH (a subsidiary of GASCADE Gastransport GmbH); supported by Worley Projects as appointed EPCM is procuring Flanges (CPV 44167110) in Köln, Kreisfreie Stadt (DEA23). It is closed. Procedure type: Other single stage procedure. ### From the notice AquaDuctus Pipeline GmbH (contracting entity) is currently preparing the procurement strategy for an 48-inch offshore pipeline intended for the transportation of gaseous hydrogen in the North Sea. In this context contracting entity, supported by Worley Projects GmbH (acting as EPCm contractor for and on behalf of contracting entity), hereby invites your organisation to participate in a non-binding pre-market consultation (Markterkundung) conducted in accordance with §26 of the German Sector Regulation (SektVO), as part of the applicable German legislation that implements European Union public tendering rules. This consultation is of a purely exploratory nature and serves exclusively to support contracting entity’s internal preparation of a potential future procurement procedure. Any information exchanged in the context of this consultation is purely informative, non-binding, indicative only, and subject to change. Please note that this is not a request for quotation. This request does not constitute the launch of a procurement procedure and does not create any obligation for contracting entity to procure, tender, award or contract any scope of supply. Contracting entity reserves the right to decide on any further steps. Should a procurement need be identified following the completion of the pre market consultation, a formal procurement procedure will be initiated, provided the relevant conditions are met. Your feedback within the scope of this pre-market consultation is non-binding and will not affect your chances in any potential future procurement procedure. The purpose of this market consultation is to obtain non‑binding, high‑level information from potential market participants in order to: • Connect with the market to prepare our execution strategy. • Assess the technical feasibility and understand technical limitations associated with supplying 48-inch flanges for hydrogen service pipeline connections. • Understand manufacturing routes, qualification approaches and constraints. • Support the preparation of transparent, competition‑neutral tender documentation for a potential future procurement procedure. We are currently evaluating our sourcing needs and participants are invited to provide non-binding and purely informative input on topics such as: • Design, Manufacture, and Testing capability for 48-inch flanges. • General experience with supply of flanges in hydrogen service. • Experience with supply of forged flanges and compliance with codes like ASME B16.47; ASME 31.12; DNV-ST-F101 and DNV-RP-0034. • Key technical risks relevant to this type of project. Should you be interested in participating, please confirm your interest by contacting the Single point of Contact mentioned in letter AQD-PP-PQS-006. Please note that first a non-disclosure agreement (NDA) needs to be signed to protect the confidentiality of contracting entity’s information. The NDA must be completed, stamped and signed. Once the NDA has been received and deemed complete, your organization may be added as a registered participant in the market consultation process. Upon confirmation and signing of the NDA, you will receive: • the consultation questionnaire (including supporting documentation); • further practical details regarding the process and timeline. ## Key facts - Status: Closed - Deadline: No deadline in the notice - Buyer: [AquaDuctus Pipeline GmbH (a subsidiary of GASCADE Gastransport GmbH); supported by Worley Projects as appointed EPCM](https://inteliwert.com/company/org_CMV75WFXPPXKRTD3H8RGN21GXW/aquaductus-pipeline-gmbh-a-subsidiary-of-gascade-gastranspor), Köln, DE - Place of performance: Köln, Kreisfreie Stadt (DEA23) - Main CPV: Flanges (CPV 44167110) - Procedure: Other single stage procedure - Lots: 1 - First published: 9 October 2026, 10:15 (UTC+02:00) Source: [Official notice](https://oeffentlichevergabe.de/ui/de/notices/cc408e32-00c1-44fe-9b2a-e3ea4150fd7f). Each fact is from the official notice, last checked 6 November 2026, 12:30 (UTC+01:00). Fact sheet: [Inteliwert fact sheet: Pre-Market Consultation – 48-inch Flanges for Offshore Hydrogen Pipeline — AquaDuctus Pipeline GmbH (a subsidiary of GASCADE Gastransport GmbH); supported by Worley Projects as appointed EPCM. A product of Bandpey GmbH.](https://inteliwert.com/cards/opp_5BZ0NK5EW2B7TE0FVPANREVZPT/ntv_FQGVC8J165J40TQ7BYGH8KZSYM/en-sheet.png) (PNG, 1600 × 900) ## Lots (1) ### Lot LOT-0000: Pre-Market Consultation – 48-inch Flanges for Offshore Hydrogen Pipeline AquaDuctus Pipeline GmbH (contracting entity) is currently preparing the procurement strategy for an 48-inch offshore pipeline intended for the transportation of gaseous hydrogen in the North Sea. In this context contracting entity, supported by Worley Projects GmbH (acting as EPCm contractor for and on behalf of contracting entity), hereby invites your organisation to participate in a non-binding pre market consultation (Markterkundung) conducted in accordance with §26 of the German Sector Regulation (SektVO), as part of the applicable German legislation that implements European Union public tendering rules. This consultation is of a purely exploratory nature and serves exclusively to support contracting entity’s internal preparation of a potential future procurement procedure. Any information exchanged in the context of this consultation is purely informative, non binding, indicative only, and subject to change. Please note that this is not a request for quotation. This request does not constitute the launch of a procurement procedure and does not create any obligation for contracting entity to procure, tender, award or contract any scope of supply. Contracting entity reserves the right to decide on any further steps. Should a procurement need be identified following the completion of the pre market consultation, a formal procurement procedure will be initiated, provided the relevant conditions are met. Your feedback within the scope of this pre-market consultation is non-binding and will not affect your chances in any potential future procurement procedure. The purpose of this market consultation is to obtain non‑binding, high‑level information from potential market participants in order to: • Connect with the market to prepare our execution strategy. • Assess the technical feasibility and understand technical limitations associated with supplying 48-inch flanges for hydrogen service pipeline connections. • Understand manufacturing routes, qualification approaches and constraints. • Support the preparation of transparent, competition‑neutral tender documentation for a potential future procurement procedure. We are currently evaluating our sourcing needs and participants are invited to provide non binding and purely informative input on topics such as: • Design, Manufacture, and Testing capability for 48-inch flanges. • General experience with supply of flanges in hydrogen service. • Experience with supply of forged flanges and compliance with codes like ASME B16.47; ASME 31.12; DNV-ST-F101 and DNV-RP-0034 for hydrogen service. • Key technical risks relevant to this type of project. Should you be interested in participating, please confirm your interest by contacting the Single point of Contact mentioned above. Please note that first a non-disclosure agreement (NDA) needs to be signed to protect the confidentiality of the client’s information. The NDA must be completed, stamped and signed. Once the NDA has been received and deemed complete, your organization may be added as a registered participant in the market consultation process. Upon confirmation and signing of the NDA, you will receive: • the consultation questionnaire (including supporting documentation), and • further practical details regarding the process and timeline. - CPV: Flanges (CPV 44167110), Fittings (CPV 44523300), Pipe fittings (CPV 44163200), Pipes and fittings (CPV 44163000), Bends, tees and pipe fittings (CPV 44167300), Offshore equipment (CPV 43131100), Offshore platforms (CPV 34514800), Pipelines (CPV 44161000), Gas pipelines (CPV 44161100), Underwater pipeline (CPV 44161400), Subsea pipelines (CPV 44161410), High-pressure pipeline (CPV 44161500), Pipeline, piping, pipes, casing, tubing and related items (CPV 44160000) ## Timeline - 9 October 2026, 10:15 (UTC+02:00): Original notice, Notice, version 01 (Voluntary ex-ante transparency notice), [Official notice](https://oeffentlichevergabe.de/ui/de/notices/cc408e32-00c1-44fe-9b2a-e3ea4150fd7f) ## Classification - CPV codes: Flanges (CPV 44167110); Offshore equipment (CPV 43131100); Subsea equipment (CPV 43135000); Pipelines (CPV 44161000); Gas pipelines (CPV 44161100); Subsea pipelines (CPV 44161410); Fittings (CPV 44523300); Pipe fittings (CPV 44163200); Pipes and fittings (CPV 44163000); Bends, tees and pipe fittings (CPV 44167300); Offshore platforms (CPV 34514800); Underwater pipeline (CPV 44161400); High-pressure pipeline (CPV 44161500); Pipeline, piping, pipes, casing, tubing and related items (CPV 44160000) - NUTS regions: Köln, Kreisfreie Stadt (DEA23) ## Official documents No documents found in the indexed notice. ## Questions and answers ### Who is the buyer? AquaDuctus Pipeline GmbH (a subsidiary of GASCADE Gastransport GmbH); supported by Worley Projects as appointed EPCM, Köln, DE. ### What is being procured (CPV)? Flanges (CPV 44167110), Offshore equipment (CPV 43131100), Subsea equipment (CPV 43135000), Pipelines (CPV 44161000), Gas pipelines (CPV 44161100), Subsea pipelines (CPV 44161410), Fittings (CPV 44523300), Pipe fittings (CPV 44163200) and 6 more. ### Where is the work performed (NUTS)? Köln, Kreisfreie Stadt (DEA23). ### Is it divided into lots? No, the notice names a single lot. ### Which procedure is used? Other single stage procedure. ### How do I submit a bid? On the official notice or the portal it names. Inteliwert does not submit bids. [Official notice](https://oeffentlichevergabe.de/ui/de/notices/cc408e32-00c1-44fe-9b2a-e3ea4150fd7f) ### Am I eligible? Inteliwert does not judge eligibility. The selection criteria are in the official notice. [Official notice](https://oeffentlichevergabe.de/ui/de/notices/cc408e32-00c1-44fe-9b2a-e3ea4150fd7f) ## Related opportunities - [Lieferung und Aufstellung von zwei Außenfuttersilos für den Geflügelbereich des VBZL Haus Düsse](https://inteliwert.com/tender/opp_YV7YEZNQJDXC10KRMJXPDN7HVR/lieferung-und-aufstellung-von-zwei-aussenfuttersilos-fuer-den-gefluegelbereich-d) Open · Place: DEA (Nordrhein-Westfalen) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/d2446af56f11da67), Last checked 7 Nov 2026, 13:30 (UTC+01:00) - [Lieferung eines AB-Transport nach DIN 14 505](https://inteliwert.com/tender/opp_VQF38PRRXGPQ97DTA8GY49V34V/lieferung-eines-ab-transport-nach-din-14-505) Open · Place: DEA (Nordrhein-Westfalen) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/acc359b81aa7956b), Last checked 7 Nov 2026, 07:30 (UTC+01:00) - [Rahmenvereinbarung für Städtische und SBO eigene Objekte: Heizung-, Lüftungs- und Sanitärarbeiten](https://inteliwert.com/tender/opp_NXZ2MFXBXY3XEEDS5JR2R0Z00A/rahmenvereinbarung-fuer-staedtische-und-sbo-eigene-objekte-heizung-lueftungs-und) Open · Place: DEA (Nordrhein-Westfalen) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/7df02a566685d71b), Last checked 6 Nov 2026, 22:30 (UTC+01:00) - [Folierung Glasfassaden](https://inteliwert.com/tender/opp_5Z08MRZ497KW0B6A0YFY5VC1TR/folierung-glasfassaden) Open · Place: DEA (Nordrhein-Westfalen) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/eb175ed17b6d3a79), Last checked 6 Nov 2026, 21:30 (UTC+01:00) - [Rahmenvertrag über die Lieferung von Heizungs-, Sanitär,- und Installationsmaterial](https://inteliwert.com/tender/opp_9SJ4KM9B0Y7ZQ0W9Y4C80JXE2K/rahmenvertrag-ueber-die-lieferung-von-heizungs-sanitaer-und-installationsmateria) Open · Buyer: Rheinische Friedrich-Wilhelms-Universität Bonn, Abt. 5.3 · Place: DEA22 (Nordrhein-Westfalen) · Deadline: 13 Nov 2026, 23:59 (UTC+01:00) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/aea0affb-d82a-434c-ad22-59f91485f846), Last checked 6 Nov 2026, 16:30 (UTC+01:00) - [Innentüren FDG Lattenberg](https://inteliwert.com/tender/opp_DW4J4FVQFWG5778ZADK7S35ZCS/innentueren-fdg-lattenberg) Open · Place: DEA (Nordrhein-Westfalen) · Deadline: 9 Nov 2026, 10:00 (UTC+01:00) · [Official notice](https://oeffentlichevergabe.de/ui/de/notices/8378e6456aa5ea7e), Last checked 6 Nov 2026, 13:30 (UTC+01:00) ## Source - Publisher: Bekanntmachungsservice - Licence: [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/) - Official notice: [https://oeffentlichevergabe.de/ui/de/notices/cc408e32-00c1-44fe-9b2a-e3ea4150fd7f](https://oeffentlichevergabe.de/ui/de/notices/cc408e32-00c1-44fe-9b2a-e3ea4150fd7f) - Last checked: 6 November 2026, 12:30 (UTC+01:00) The official notice is authoritative. Inteliwert shows what the notice states and links to it. --- Page: https://inteliwert.com/tender/opp_5BZ0NK5EW2B7TE0FVPANREVZPT/pre-market-consultation-48-inch-flanges-for-offshore-hydrogen-pipeline Inteliwert is a product of Bandpey GmbH, an international data and AI software company in Munich, Germany, founded and led by Roozbeh Bandpey. Bandpey's products: Facthory, Emolysis, Copolly and Inteliwert. Inteliwert on LinkedIn: https://www.linkedin.com/company/intelliwert, GitHub: https://github.com/inteliwertai.