Device for controlling gas flow

摘要

Device for controlling a gas flow comprises at least one pneumatically controlled amplifier valve (50) arranged together with a dosing device (4) in a valve block (15). Preferred Features: The amplifier valve performs a disconnecting function. The dosing device is designed for hysteresis-free dosing. A pressure regulator (2) is arranged in the region of the valve block. The valve block is designed for connection to a compressed gas bottle for supplying oxygen.