The 59.0 UHV All-Metal Variable Leak Valve allows precise control of gas flows across a wide pressure range (1 × 10^-10 mbar l/s to 500 mbar l/s). With its all-metal design, it is ideal for gas dosing requirements in UHV and extreme UHV processes. The 59.0’s specialized control function ensures reproducible, precise adjustment of the gas flow and enhances process control capabilities. It also provides reliable, tight sealing throughout its lifetime without gasket fatigue.

The high-quality stainless steel housing and gold-plated stainless steel membrane give the valve high resistance to corrosive and aggressive gases. Installed in hundreds of demanding applications under various process conditions, the 59.0 UHV All-Metal Fine Control Valve has proven its outstanding reliability and has become the standard solution for fine control valves in UHV and extreme UHV applications.