Orifice check valve
A component in a hydraulic or pneumatic system that allows unrestricted flow in one direction, and restricted flow in the opposite direction.
Aviation Maintenance Technician Handbook — Airframe, p. G-24
A component in a hydraulic or pneumatic system that allows unrestricted flow in one direction, and restricted flow in the opposite direction.
Aviation Maintenance Technician Handbook — Airframe, p. G-24