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Automatic Doors FAQ

Products » Operators » Manual Operators

Manual Operators

 

push-up

Push up operation allows users to open our doors, grilles and shutters by hand without any additional devices. Choose this option when you have a smaller opening in a tight space that won’t fit a motor, will only be cycled a few times a day, and is not wired for power. 


Chain

Chain operation allows users to open larger doors, grilles and shutters by hand with the assistance of a chain mechanism. Chain operation is good for tight spaces that won’t fit a motor, will only be cycled a few times a day, and aren’t wired for power.


crank

Crank operation is primarily used in counter shutter applications where there is a wide counter space between the shutter and the user. In this case, a rigid crank operation is ideal, since it can reach across the gap and open the shutter. Power is not required for this operation method, and it is best suited to infrequent daily cycles.

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