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ENP coating on ball valves

Maximum temperature limitation of the ENP coating on Ball valves.We have services with Operating temperature about 160 deg.C and Design temperature of 180 deg.C.

DHAYANAND
- SHARJAH, UAE
2005

Hi DHAYANAND,

All Electroless Nickel Coating begin to melt at 880 °C.

Sridhar Bushigampala
- Toronto, ON, Canada
2005

2005

Unless there is a very large amount of H2S present, EN should be suitable for ball valves in oil & gas applications to at least 200 °C. NACE Publication 6A287 gives an overview of corrosion limitations in such environments.

Ron Duncan [deceased]
- LaVergne, Tennessee
It is our sad duty to note Ron's passing on Dec. 15, 2006. A brief obituary opens Episode 13 of our Podcast.

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