Valve Sphere Hard Facing: How to Choose Between ENP, Tungsten Carbide, and Stellite
Selecting the right hard-facing material for your valve sphere directly impacts sealing performance, service life, and total cost of ownership. This guide breaks down ENP, tungsten carbide, and Stellite coatings—covering hardness, corrosion resistance, temperature limits, and application fit—so you can specify the right ball valve coating for your project with confidence.
09/07/2026
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