All doors are normally unlocked. Enter or leave the mantrap through any door. While one door is open, the other doors are locked. This mode would typically be used as an airlock or a three-door vestibule where there should be no free flow with all doors open.

Mantrap door, airlock or sally port is an interlocking security door system designed to deny access to unauthorized personnel.

Can be used in a stand-alone structure or used in conjunction with a building access system.

Applications: airports, banks, health care facilities, data centers, security vestibules, clean room environment, cannabis cultivation facilities, jewelry stores, buildings to prevent access of unwanted people, to prevent “piggybacking” or “tailgating” and ensure only authorized personnel pass through a security entrance.