DoorKing Inc. Maximum Security

When you need maximum security at your commercial or industrial site, North Shore has DoorKing maximum security slide gate operators for gates weighing up to 25,000 pounds. These built-tough barrier gate operators are designed for restricted applications, not for general public access.

DoorKing vehicle slide gate operators include models designed for Class III and restricted Class IV use for gates weighing up to 5,000 pounds at factory sites, prisons, and other high-security facilities. Choose a DoorKing 9550-380 maximum security vehicular slide gate operator for use on security gates weighing up to 20,000 pounds. Our discount-priced DoorKing 9575-380 operator can handle gates that weigh as much as 25,000 pounds.

All DoorKing heavy-duty maximum security gate operators with continuous-duty AC motors are engineered to prohibit external tampering. They stand up to bad weather, dirt, grease, and other contaminants. They have built-in diagnostics and anti-tailgating features. These DoorKing high-security gate access operators can be easily programmed for gate speeds of 1 ft. to 2 ft. per second.

If you aren't sure which Maximum Security Slide Gate Operator is right for your facility or need assistance with placing your order, our helpful staff is here to assist by phone at 1-800-783-6112 or via the direct chat feature built directly into our website, during normal business hours, Monday through Friday8 a.m. to 4:30 p.m. (EST). Or send an e-mail with your question and contact information to and a customer service representative will reach out to you. With over 35 years of experience in the garage door industry, we provide friendly customer service, hard-to-beat prices, and hard-to-find parts, and ship most orders within 24 hours of being placed online. We also give you access to a number of resources designed to make buying, installing, or repairing your operator easy! From complete product manual and video libraries to interactive Exploded Parts View Diagrams, and cutting-edge 360-Degree Views of garage door parts, North Shore Commercial Door always has you covered! 24/7365!