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  • Users: valvesrus
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  1. valvesrus

    Valve Orifice Erosion - resistant material?

    A difficult erosion problem is handling a 10 kpsi pressure drop across very small (.005 in.) orifices created by sliding gate valve seats. Tungsten carbide is quickly eroded. The candidate material must slide at low speed as the valve opens with 20 kpsi contact stress without galling. The fluid...

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