VALVE MAGAZINE Winter 2025

PROTECTIVE COATINGS FOR VALVES

FEATURED ARTICLE HVOF Coatings for Severe Service Valves Chrome carbide is one coating that can be applied during manufacturing or repairs that extends service life of valves and other flow control components.

BY: KELLY SONGER, Director of Valve Services COMPANY: PRECISION SPRAY & COATINGS

HVOF carbide coated balls for ball valves. All images courtesy of Precision Spray & Coatings.

Valves are a vital component in oil and gas, water treatment, mining and chemical processing, regu lating the flow of fluids with high precision and reliability. Severe service valves are used in the most difficult envi

Ball valve component undergoing robotically applied HVOF spray process.

ronments within a process. These severe service envi ronments include erosive, corrosive, high-pressure, high-temperature, and high-velocity media or slurry media. Over time, valves experi ence wear leading to costly repairs or replacements. For valves facing severe service conditions, thermal spray coatings like high-ve locity oxygen fuel (HVOF) applied coatings, specifi cally chrome carbide, offer a solution that significantly enhances the performance and longevity of critical components. HVOF coatings: high performance for severe conditions HVOF is a thermal spray process that involves

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VALVE MAGAZINE

WINTER 2025