Managing fluids in critical industrial environments—ranging from cryogenic low temperatures (such as LNG and liquid hydrogen) to high-pressure steam or aggressive chemical services—places extreme demands on valve integrity. To ensure operational safety and regulatory compliance, particularly concerning Low Fugitive Emissions (FE), the choice of valve stem packing is paramount.
- Key Requirements: Achieve a long-term, secure seal that ensures compliance with FE standards (API 622, ISO 15848) and is compatible with H2 and cryogenic services.
- Technical Challenges: Overcoming the permeability of the smallest gas molecule (hydrogen), preventing mass loss at high temperatures, and maintaining material integrity in extreme thermal conditions (from -200° C to 650° C).
- Use Implications: Reducing the Total Cost of Ownership (TCO), minimizing maintenance downtime (MTTR), and ensuring process continuity in the most complex facilities.
Carrara SPA addresses these needs with PGT4 GR8622ESP, a certified Low Emission modified graphite packing designed for superior performance.
- Guaranteed compliance with API 622 3rd Ed. and ISO 15848 standards.
- Excellent operational stability across a wide range of temperatures (cryogenic and high) and pressures.
- Reduced coefficient of friction for extended actuator system lifespan.
- Versatile solution for standardizing spare parts in H2, cryogenic, and hydrocarbon services.
Decades of experience and deep technical expertise allow us to deliver global, reliable sealing solutions, which are essential for the safety and efficiency of modern industrial plants.