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Research on Laser Cladding Strengthening Technology for Ball Valve Sealing Surface
Date:2025-10-20 14:05     Source:daokedao     Browse:94

The corrosion resistance and wear resistance of the sealing surface of the ball valve directly affect the service life of the valve. The Daokedao laser cladding equipment has developed specialized processes for different working conditions: for ordinary working conditions, cobalt based alloy powder is used, and the cladding layer hardness is HRC55-58; For strong corrosion conditions, using nickel based alloy powder can improve the pitting corrosion resistance by 5 times. The equipment is equipped with a high-precision rotating worktable to ensure uniform surface melting of the sphere. After melting, the flatness error of the sealing surface is ≤ 0.05mm, and the surface roughness Ra is ≤ 3.2 μ m, fully meeting the sealing requirements and extending the service life of the valve by 2-3 times.

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