In European Standard:Spring hinge, whether single or double action, embody a spring for the storage of energy but do not have a system for controlling and regulating the closing function. They provide their lowest closing power at, or near, the door closed position and, therefore, on latched doors,

Double Action Spring Hinge refers to the opening of a door that allows an interior door to be opened in both directions. Other names for double action spring hinge are as follows: Cafe door hinges, Saloon door hinges, and Double swing door hinges.