For 60 years, müller co-ax ag has been an innovative leader in the unique design and manufacture of coaxial valve technology for businesses worldwide. müller co-ax ag sought to better serve the needs of its rapidly growing US customer base through the establishment of its first subsidiary abroad: co-ax® valves inc. in Bristol, Pennsylvania. co-ax® engineers have been designing and building valves for applications ranging from power generation, machine tools, packaging, aerospace, chemical processing and manufacturing. co-ax® valves inc. has been involved in new construction of sophisticated processing plants as well as streamlining existing flow control systems on offshore skids and for remote or hazardous applications. The valves manufactured by co-ax® are rugged, special-purpose and mission critical valves. The unique co-ax® valve features pressure balanced design, high cycle life, bubble tight shut-off, bi-directional operation, compact size, low air consumption and actuation speeds as fast as 25 milliseconds. This translates into greater durability, repeatability, precision and performance.