• News & Media
    • News
    • Case studies
    • Brochures
    • Video gallery
  • Contact us
  • EN
    • EU
    • ES
  • About AMPO
    • We are AMPO
    • The AMPO Way
    • Our team
    • Our future strategy
    Latest News
    FULLY INTEGRATED SUBSEA VALVES AND A MOTION CONTROL SYSTEM FOR…

    AMPO POYAM VALVES has successfully completed and…

    AMPO POYAM VALVES STRENGTHENS ITS PRESENCE IN QATAR’S NORTH FIELD…

    AMPO POYAM VALVES is proud to be…

  • Solutions
    • AMPO POYAM VALVESHigh engineered valves for the most severe services.
      • By industry
      • By valve type
    • ISS by AMPO POYAM VALVESMore than just valves.
      • System Integration & Tailored Turn-Key Projects
      • Valve actuation control systems
      • Monitoring solutions
      • Green hydrogen storage solutions
    • AMPO SERVICEPrompt response to customer needs wherever they are.
      • MRO Services
      • Tailored engineering solutions
      • Spare parts
      • Field Engineering Services
      • Training services
      • Preventive and predictive maintenance services
      • Repair and maintenance centers
    • AMPO FOUNDRYAssembly ready components.
  • Industries
    • Energy
      • Low carbon energies
      • Additional primary energies: Upstream
      • Refining
    • Chemical and Petrochemical
    • Mining
    • Power
  • Capabilities
    • Engineering and R&D
    • Materials
    • Quality
    • Manufacturing and servicing facilities
    Latest News
    R&D PROJECTS: HPCVALVE and AMPOALY

    AMPO has received a grant for its…

    IMPORTANT INVESTMENTS IN THE VALVE MANUFACTURING PROCESS IN IDIAZABAL

    After the expansion of the new machining…

  • Sustainability
    • Committed to Sustainable Development Goals
    • Climate change and Environment
    • Innovation and Technology
    • Our Employees
    • Ethics and Transparency
    • Social Commitment
    Latest News
    AMPO PUBLISHES ITS 2024 SUSTAINABILITY REPORT

    AMPO has released its 2024 Sustainability Report,…

    SHAPING A SUSTAINABLE FUTURE WITH AMPO'S CARBON CAPTURE SOLUTIONS

    At AMPO POYAM VALVES, we are committed…

  • ProTalent
  • News & Media
    • News
    • Case studies
    • Brochures
    • Video gallery
  • Contact us
  • EN
    • EU
    • ES
News & Media
CASE STUDIES

Cryogenic and non-cryogenic valves for Phase 1 of Port Arthur LNG terminal

29 October 2025
LNG
Customer: Sempra Infrastructure and ConocoPhillips (Joint Venture)
Service by: AMPO POYAM VALVES
Share

CHALLENGE:

To deliver over 15,000 highly engineered valves for one of the most strategic LNG export projects in the U.S., ensuring optimal performance, full compliance with stringent specifications, and long-term reliability in both cryogenic and non-cryogenic service under extremely demanding operating conditions.

SOLUTION:

AMPO POYAM VALVES is supplying more than 15,000 cryogenic and non-cryogenic valves — including ball, gate, globe, and check valves — throughout 2023, 2024, and 2025 for the Port Arthur LNG project. All valves are manufactured and fully tested in-house to meet the high technical standards required by the project. AMPO’s engineering team has also provided expert support in the valve selection process, ensuring perfect alignment with application-specific needs. This large-scale delivery reinforces AMPO’s global leadership in LNG valve technology, backed by decades of experience, deep specialization in cryogenic applications, and a proven presence in most of LNG facilities worldwide.

Other Case Studies

29 October 2025
LNG
Tandem gate valves for the Catalytic Reformer (Power Former) unit at ExxonMobil’s Antwerpen Refinery
CHALLENGE: To engineer and supply high-temperature tandem gate valves with a customized face-to-face distance…
Read more
29 October 2025
LNG
High-temperature (752ºF) metal seated 30” ball valves for Jafurah
CHALLENGE: To deliver large sized, high-temperature metal seated ball valves within an extremely tight…
Read more
29 October 2025
LNG
Integrated Smart Solution (ISS) — including HPUs and severe service ball valves — for the Dabuna–Sagasahi iron concentrate slurry pipeline
CHALLENGE: To engineer and deliver a robust and reliable integrated solution for the iron…
Read more

AMPO HEADQUARTERS

Barrio Katea S/N

20213 Idiazabal (Gipuzkoa)

SPAIN

T. +34 943 188 000

  • About AMPO
    • We are AMPO
    • The AMPO Way
    • Our team
    • Our future strategy
  • Solutions
    • AMPO POYAM VALVES
    • ISS by AMPO POYAM VALVES
    • AMPO SERVICE
    • AMPO FOUNDRY
  • Industries
    • Energy
    • Chemical and Petrochemical
    • Mining
    • Power
  • Capabilities
    • Engineering and R&D
    • Materials
    • Quality
    • Manufacturing and servicing facilities
  • Sustainability
    • Committed to Sustainable Development Goals
    • Climate change and Environment
    • Innovation and Technology
    • Our Employees
    • Social Commitment
    • Ethics and Transparency
  • News & Media
    • News
    • Case studies
    • Brochures
    • Video gallery
  • Elemento del menú
    • ProTalent
  • Contact us
© Ampo 2023
  • Legal notice
  • Privacy Policy
  • Cookie policy
  • Manage cookies
  • Internal Information System