High-performance valves engineered for extreme service conditions.
The global market for cryogenic control valves is undergoing a paradigm shift, driven by the rapid expansion of the LNG (Liquefied Natural Gas) value chain and the emerging hydrogen economy. As an OEM Cryogenic Control Valve Factory, we observe that the demand is no longer just for standard isolation but for high-frequency modulation and zero-leakage performance at temperatures as low as -196°C (77K) and even -253°C (20K) for liquid hydrogen applications.
With the global push for decarbonization, liquid hydrogen (LH2) transport requires valves that can withstand extreme thermal contraction and prevent helium-leakage levels of tightness.
Modern cryogenic factories are integrating IoT sensors into valve bonnets to monitor stem packing integrity and thermal stress in real-time, reducing unplanned downtime in LNG terminals.
Strict environmental regulations (ISO 15848-1 and Shell 77/312) are mandating ultra-low emission packing designs, a core focus for high-end OEM manufacturing.
Our technical roadmap focuses on the "Extended Bonnet" design, essential for cryogenic service to protect the stem packing from freezing. By utilizing ASTM A351 CF8M/CF3M or Forged F316L, we ensure that the valve body maintains its impact strength at sub-zero temperatures.
With over 30 years of expertise in forging high-performance ball valves, SLVCN provides reliable, project-ready solutions for critical industrial applications. Our valves are rigorously engineered, tested, and certified to meet the strictest international standards, ensuring zero-leakage and dependable performance in harsh operating environments.
Valves ensure pipeline isolation and safe operation across upstream, midstream, and downstream systems, even under high-pressure conditions.
Valves deliver proven low-temperature performance, tight sealing, and safe pressure management for cryogenic systems.
Valves offer excellent sealing integrity and safety design to prevent leakage under high-pressure conditions.
Global procurement teams now prioritize Localization Support and Compliance. Our factory provides full documentation including MTRs (Material Test Reports), FAT (Factory Acceptance Test) results, and third-party certifications (ABS, BV, DNV, Lloyd's) to ensure seamless integration into international projects.
Every valve is manufactured and tested under international standards to ensure safety.
Shoulong Valve
