Av-Tek is leading the way in the manufacture of high-quality valves for use in municipal, industrial, and sea water industries. Our premium DEX Double Eccentric Butterfly Valve outperforms and outlast the competition. Each valve is designed to be maintained with ease and reduce your maintenance hours and costs. Av-Tek valves can be built with various body, seal, stem, and seat materials to provide you with the right match for your specifications. They can also be used with any gear, electric or pneumatic actuator.