Electronica Tough Carb Limited manufactures Tungsten Carbide Flow Control Valve. Electronica Tough Carb Limited supplies tungsten carbide products for the metal cutting, metal forming and mining applications. The Tungsten Carbide Flow Control Valve is designed with a precise diameter hole through which the petroleum fluids and Gases pass. The product range consists of air flow control valve, automatic flow control valve, etc. The Tungsten Carbide Flow Control Valve is wear resistant and corrosion resistant.