Laux Valve is a reliable supplier of lug butterfly valves made in China. Our lug concentric butterfly valves conform to API 609, EN 593 standards, The Lug Butterfly Valves fully meet the requirements for installing at the end of the pipeline.Suitable for fire protection, municipal water and marine piping systems, lug butterfly valves are available in ductile iron, stainless steel and alloy materials, with customizable OEM & ODM service worldwide.