The opening of the flow control valve (FCV) is electro-pneumatic, and the valve is equipped with a stepper motor and a shut-off solenoid valve.

The aircraft air conditioning air supply pipe ​is a pipe used to connect the ground air conditioning and the air conditioning air supply outlet of the aircraft. When the traditional air-conditioning air supply pipe is transported from the warehouse to the airport, it is very inconvenient to fold and store the air supply pipe, and it takes up a lot of space.

The structure of the aircraft is precise, and the aircraft air-conditioning system is an important system module that supports the safe and stable flight of the aircraft, and plays a role in tracking and adjusting the environmental parameters of the aircraft cabin and equipment cabin.