MCE ValvTechnologies Hydrogen Process Case Study Using Metal-Seated, Zero-Leakage Ball Valves
INDUSTRY: Downstream
PLANT TYPE: Chemical
APPLICATION: Hydrogen Isolation
PRODUCT: ValvTechnologies V1-1 Ball Valves
SUCCESS SUMMARY: Our customer had a long- standing leakage history while using “Y” pattern globe valves for isolation in hydrogen service. After re-viewing the benefits of the ValvTechnologies’ zero-leakage design, the customer changed their specification to ValvTechnologies’ zero-leakage, metal seated ball valves.
CHALLENGE: Achieving tight shut off on high-pressure hydrogen (1,160 psig) service in a single direction, much less on a bi-directional valve, is very difficult for plants to realize. However, ValvTechnologies were able to custom engineer a perfect solution to not only meet but exceed the customers’ requirements and expectations.
SOLUTION: ValvTechnologies supplied V1-1 zero-leakage, A105 seat supported valves with Colmonoy® 69 coating on the integral seat and an Inconel® 718 ball also with Colmonoy® 69. The valves were tested to zero-leakage in the primary direction and class V in the reverse direction.
These were the first valves installed in high-pressure hydrogen service at this customer’s plant.
BENEFIT: The customer will recognize repeatable, long-term, reliable tight shut off, allowing for a longer run time with significantly reduced maintenance and lower total cost-of-ownership.
FUTURE PROJECTS: ValvTechnologies will replace the existing installed base of “Y” pattern globe valves throughout the plant with V1-1 zero-leakage ball valves.
MCE Group Plc primarily offer valve maintenance and overhaul services from our workshops based in Stockton-on-Tees and Warrington, maintaining Control, Relief and Isolation Valves including actuation.
We are also stockists of the above referenced ValvTechnologies range of zero-leakage isolation valves.
For more information, contact Selwyn Jones (Business Development Manager) on 07718 560214, or call the MCE Group Plc offices on Stockton-on-Tees 01642 882211 or Warrington 01925 202 399.
Published: 20th August 2020
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