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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
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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.

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