High- performance and high-speed digital mass flow controller equipped with Yamatake “µFlow” (Microflow) sensor, to actuate a proportioning valve with high level control technology. MQV SERIES The MQV realizes high speed, low differential pressure and wide range flow control. MPC SERIES The MPC is a compact gas mass flow controller with built-in miniature proportioning valve that can either be panel-mounted or can be mounted directly on the piping. MPC is ideally suited for welding installations and medical appliances.