Plug Valves – Cross-Sector ReliabilityDiscover az valves and control valves inside the plug valveAZ VALVES It is important for long-durable use to select the best sealing system. KLINGER CONTROL VALVE®automatically adjusting the flow of fluids such as water, oils, liquids in general, and steam, compressed air or gases, these valves ensure precise control of variables such as temperature, pressure, flow or level.