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Series 2200 Chain Drive Corridor OperatorsDDS Chain Drive Corridor Operators are used in more applications than all other style door operators combined. They were engineered to function smoothly and quietly in maximum security environments. For detailed information on these devices please see the SERIES 2200 SPECIFICATION page in this section. They are available with slope or flat top style housings, lock pilasters keyed one or both sides, electric key switches and intercom mountings. Standard features
Optional features
Series 1200 Chain Drive Cell-line OperatorsDDS Chain Drive Cell-line Operators were engineered to function smoothly and quietly in maximum security housing environments. They are usually connected to a Emergency Release Cabinet that is at one end of the cell run. For detailed information on these devices and their emergency release functions please see the SERIES 1200 SPECIFICATION page in this section. They are available with slope or flat top style housings. Standard features
Optional features
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