With a patent registered in 1956, Wey revolutionized the design of knife gate valves forever. Wey knife gate valves are equipped with the “Original Wey Design”, a unique sealing system, that has continuously been developed and perfected. Wey valves can handle a variety of differential pressure scenarios and abrasive and corrosive materials, not to mention extreme temperatures. You can rely on them even under the most demanding conditions. At all times and for a long time. Wey’s solutions valves are designed to meet not only technical specifications, but also economic requirements. This is why Wey valves are among the most efficient when it comes to TCO. They are available in different materials and come with multiple options.