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About the application:

There are 3 primary types of swing door operators: Full Energy – It opens and closes the door at full speed. Low Energy – It opens and closes the door at reduced speed to limit the kinetic energy of the moving door to levels deemed secure for disabled users. Power Help – This is a ver of the low-energy operator. It doesn't begin the door; instead, it lets the player begin the door manually at a reduced force, compared to opening versus a standard door closer. It closes the door with the same speed limitations as a low-energy operator. Full Energy operators are typically used on the outside doors of medium-sized retail business. (Larger retail businesses prefer sliding door operators.) Low Energy operators are typically used where a easy door closer is sufficient for able players, yet it is important to add access to disabled players: little businesses, apartments, bathrooms.