Hydrogen is increasingly recognized as a pivotal element in the global transition towards sustainable energy systems and the reduction of greenhouse gas emissions.
Within the expanding landscape of hydrogen applications, the integrity and efficiency of sealing technology are of paramount importance for ensuring operational safety and optimal performance.
Hydrogen, as the smallest and lightest molecule, exhibits a high propensity to permeate through various materials. This inherent property presents significant engineering challenges in achieving effective containment and preventing leakage throughout the hydrogen lifecycle, from production to end-use.
Furthermore, the performance of sealing materials can be compromised when exposed to high-pressure hydrogen environments, potentially leading to phenomena such as swelling, material degradation, and rapid gas decompression, all of which can compromise system integrity and safety.
Furthermore, the performance of sealing materials can be compromised when exposed to high-pressure hydrogen environments, potentially leading to phenomena such as swelling, material degradation, and rapid gas decompression, all of which can compromise system integrity and safety.
Addressing these challenges requires a commitment to developing and implementing sealing solutions specifically engineered for hydrogen service. This necessitates materials with inherently low permeability to hydrogen, robust mechanical properties capable of withstanding high pressures and temperature variations, and demonstrated compatibility with the chemical nature of hydrogen across a range of operating conditions. Compliance with stringent low emission standards and comprehensive material conformity are integral to ensuring the long-term reliability and safety of hydrogen systems.
PlanigraphESP represents Carrara SPA's commitment to providing reliable and high-performance sealing solutions that contribute to the safety and efficiency of hydrogen production and utilization. Its advanced design and material properties make it an ideal choice for ensuring the integrity of critical components in hydrogen systems.
PlanigraphESP is designed according to rigorous guidelines, prioritizing the maintenance of packing weight to meet stringent emission standards and minimize fugitive emissions over extended operational periods. This innovative material offers exceptional sealing capabilities and reduced fugitive emissions through a novel approach that minimizes the coefficient of friction and permeability without compromising the chemical integrity of the graphite.
PlanigraphESP is manufactured using a flexible modified graphite foil and is approved to Low Emissions standards, including API std 622 3rd Edition and ISO 15848 BH C01/C02. This versatile packing solution is suitable for a wide range of applications beyond hydrogen, including Oil & Gas, cryogenic services, most chemical processes, and steam, offering a valuable solution for reducing OEM stock seal types.
Key features of PlanigraphESP include:
- Low Emission approval according to API std 622 3rd Edition and ISO 15848.
- Suitability for cryogenic applications (down to -200°C) and high temperatures (up to 650°C in non-oxidizing fluids).
- Pressure rating up to 500 bar, covering pressure classes from 150 to 2500 lbs.
- Compatibility across the full pH range (0-14), excluding strong oxidizers.
- Low content of detrimental materials and ash.
- PTFE and PFAS free formulation.
- Wet lubricant free.
