About Batu Valve Türkiye Batu Valve Türkiye is expanding its expertise into cryogenic valve technology, addressing the demanding requirements of LNG, hydrogen and CO2 applications. With a focus on extended bonnet designs, advanced sealing systems and compliance with API 6D, the company is developing solutions that ensure safety, reliability and performance under extreme low-temperature conditions. These innovations reflect Batu Valve’ s commitment to supporting global energy transition projects by delivering valves engineered for cold service and sustainable operation.

Meeting API 6D and BS 6364: Global benchmarks for cryogenic valves

Cryogenic ball valves represent a critical interface between engineering innovation and safety in LNG, hydrogen and CO2 applications. International standards provide the framework that defines valve performance under extreme cold. API 6D sets requirements for design, testing and operational integrity of ball valves in transmission pipelines, while BS 6364 is the definitive global benchmark for cryogenic service, mandating tests at – 196 ° C with liquid nitrogen and ensuring zero leakage across body, stem and seat seals( API, 2021; BS 6364, 2018). BS 6364 requires both hydrostatic and gastightness testing at cryogenic temperatures, while also verifying stem seal performance under dynamic cycling. This guarantees that valves will function not only under initial factory acceptance conditions but also after prolonged service in LNG and liquid hydrogen pipelines. More recently, regulators have pushed for harmonisation between BS 6364 and ISO 21011( cryogenic insulation valves), to improve traceability across different regions( Hartmann Valves, 2015; Emerson, 2017). These standards not only validate performance but also ensure interoperability across global

LNG and hydrogen supply chains. For instance, in European LNG regasification terminals, BS 6364 compliance has become a procurement prerequisite, while US projects still rely heavily on API 6D but increasingly require dual testing for export-oriented LNG projects( Garcia & Martinez, 2025). Recent refinements emphasise fugitive emission reduction, sustainability and resilience under thermal shocks( Morgan, 2021; Velázquez et al., 2022).

Fugitive emissions and fire-safe testing: ISO 15848 & API 607 in cryogenic applications

Beyond API 6D and BS 6364, valves must increasingly meet ISO 15848 for fugitive emissions and API 607 / ISO 10497 for fire-safe performance. Fugitive emissions testing is especially critical for cryogenic hydrogen service, where leakage of small molecules can compromise safety and environmental targets( Peng et al., 2021; Singh et al., 2022). Methane slip in LNG infrastructure is another key driver, as methane’ s global warming potential is 84 times higher than CO2 over a 20- year horizon( Carbon-Zero, 2020). Fire-safe certification ensures valves can maintain containment even after fire exposure, a scenario relevant for LNG terminals and