Delivery air duct check valve
An isolation valve at the discharge side of the air turbine that prevents the loss of pressurization through a disengaged cabin air compressor.
Aviation Maintenance Technician Handbook — Airframe, p. G-11
An isolation valve at the discharge side of the air turbine that prevents the loss of pressurization through a disengaged cabin air compressor.
Aviation Maintenance Technician Handbook — Airframe, p. G-11