The Advantages of Fuel Agnostic Sealing Materials in Modern Engine Platforms

In today’s rapidly evolving automotive landscape, the push for environmental sustainability and the reduction of greenhouse gas emissions has become paramount. While the passenger car industry is increasingly turning to electrification as a solution, this technology often does not deliver the performance required for many heavy-duty truck and off-highway applications. As a result, these markets are exploring alternative fuels to diesel, such as ethanol, methanol, natural gas, biodiesel, and hydrogen. However, this transition brings forth a unique challenge: the need for effective sealing solutions that can accommodate multiple fuel types. Enter fuel agnostic sealing materials—an innovative solution that offers numerous advantages for OEMs.


The challenge of diverse fuels

Traditionally, different elastomers were required to seal each type of fuel, leading to increased complexity in manufacturing processes. Each fuel has unique chemical properties that can affect the performance of sealing materials, requiring OEMs to source and manage a variety of elastomers. This not only complicates the production line but also increases costs and the risk of errors.



The solution: fuel agnostic sealing materials

Parker, a leader in sealing technology, has developed a series of fuel agnostic sealing materials designed to be compatible with a wide range of fuels. These innovative materials provide a robust solution for OEMs looking to streamline their production processes while maintaining high performance standards.


Key advantages of fuel agnostic sealing materials

  1. Increased manufacturing efficiency
    By integrating fuel agnostic material seals into their designs, OEMs can significantly enhance manufacturing efficiency. When a single sealing material can be used across multiple fuel platforms, it becomes easier to switch production from one fuel type to another. This flexibility allows manufacturers to respond quickly to market demands without the need for extensive retooling or retraining.
  2. Reduced inventory complexity
    Fuel agnostic materials reduce the number of different parts that need to be kept in inventory. With fewer elastomers to manage, carrying costs are lowered, and the complexity of inventory management is simplified. This not only streamlines operations but also minimizes the risk of stock shortages or excess inventory.
  3. Minimized installation errors
    The use of a single, versatile sealing material reduces the chance of installing the wrong seal during assembly. This is crucial for maintaining quality control and reducing rework and warranty costs. By minimizing errors, OEMs can enhance customer satisfaction and protect their brand reputation.
  4. Shortened design and validation time
    Developing new engine platforms often involves extensive design and validation processes. Fuel agnostic sealing materials can significantly reduce the time required for these phases. With fewer materials to test and validate, OEMs can accelerate their time-to-market, gaining a competitive edge in the industry.


Focusing on hydrogen as a fuel option

Among the various fuel types compatible with fuel-agnostic engines, hydrogen stands out as a promising option for achieving zero-emission mobility. Hydrogen can be utilized in both fuel cells and internal combustion engines, each offering unique advantages for different applications. As the hydrogen economy develops, the demand for reliable sealing solutions that can withstand the specific challenges of hydrogen operation becomes increasingly important.

Fuel-agnostic internal combustion engines that utilize hydrogen require sealing solutions capable of handling the unique properties and challenges associated with hydrogen as a fuel. Parker O-Ring & Engineered Seals Division offers a range of advanced sealing materials specifically designed for these applications. Here’s a closer look at some of our top-performing materials suitable for hydrogen that have passed ISO 23936-2, rapid gas decompression (RGD) tests at 100°C with 100% hydrogen:

  1. KA183-85: This material is known for its excellent resistance to a wide range of fuels, including hydrogen. KA183 provides superior sealing performance in high-temperature applications, making it ideal for hydrogen and natural gas fuel systems.
  2. E0893-80: A versatile elastomer, E0893 is designed for compatibility with various low and zero carbon fuels. Its durability and resistance to wear make it an excellent choice for sealing applications in hydrogen engines, ensuring long-lasting performance. E0893 is a cost effective, low temperature option for applications only concerned with ethanol and methanol fuels. 
  3. VG109-90: Formulated for aggressive environments, VG109 offers exceptional chemical resistance, making it suitable for applications involving hydrogen and renewable natural gas (RNG). Its ability to maintain seal integrity under pressure contributes to the overall efficiency of hydrogen systems.
  4. VM330-75: A fluorocarbon (FKM) material that excels in high-temperature environments, VM330 is flexible and resilient, making it ideal for sealing applications in hydrogen engines where maintaining a tight seal is crucial for performance. VM330 is a moderate, high temperature option for applications with hydrocarbon material exposure that cannot accommodate higher durometer compounds.
  5. VX365-90: Known for its superior thermal stability, VX365 is engineered to withstand extreme conditions often encountered in hydrogen applications. This material provides excellent sealing capabilities, ensuring that hydrogen engines operate efficiently and reliably.


Conclusion

As the heavy-duty and off-highway industries continue to evolve toward more sustainable fuel options, the importance of innovative sealing solutions cannot be overstated. Fuel agnostic sealing materials represent a significant advancement in this area, providing OEMs with the flexibility, efficiency, and cost savings required to thrive in a competitive marketplace. By adopting these materials, manufacturers can not only meet regulatory demands but also position themselves as leaders in the transition to a more sustainable future. Embracing low and zero carbon intensity fuels is not just a smart business decision; it is a necessary step towards a greener, more efficient transportation industry.


Parker’s sealing solutions enhance reliability and performance

Parker’s rubber materials are designed to deliver reliability, longevity, and safety in fuel agnostic applications. By utilizing our advanced sealing technologies, manufacturers can ensure that their internal combustion engines maintain optimal performance while transitioning to low and zero carbon fuels. Our materials are engineered to withstand the unique challenges presented by each fuel type, including hydrogen, with its high diffusivity and potential for embrittlement in certain metals.

As the transportation industry moves toward more sustainable practices, fuel-agnostic engine platforms represent a significant step forward. With hydrogen emerging as a key player in the future of clean mobility, Parker O-Ring & Engineered Seals Division is committed to providing high-quality sealing solutions that enhance the performance, reliability, and economic viability of these innovative engines. By choosing Parker’s advanced sealing materials, manufacturers can confidently embrace the future of low and zero carbon transportation. For more information on our sealing solutions and how they can benefit your fuel-agnostic engine applications, contact us at oesmailbox@parker.com or visit us online at the Parker O-Ring & Engineered Seals Division today!