Whether above or below ground, the conditions in the construction industry and thus the requirements for a valve are extreme. Mud, dirt, dust, heavy vibrations, and temperature extremes are ever-present at construction sites, and simultaneously pose a challenge to any valve manufacturer. Due to their highly compact and robust design, müller co-ax valves are being used successfully in this harsh environment. Product certifications such as TÜV, DVGW and ATEX emphasize the high degree of safety, reliability and quality exhibited by our valves.