delayed action fire rated

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Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...
AVB stands for Advanced Variable Backcheck. It is a cylinder option when ordering a 4111 closer (without an ST) that allows backcheck to start at about 45 degrees instead of the normal 75 degrees...
DEL, delay closing
How to:  What are the steps to adjust a door closer?Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment.  All closers with a "Delay" feature ...
The Von Duprin Chexit device will not automatically rearm itself after a fire alarm clears.  After a Fire Alarm has triggered the Von Duprin Chexit device, the device must be manually reset&nb...
The following common wiring diagrams are available:One Single Door with Panic BarElectric Latch Retraction, with Auto OperatorDelayed egress - Fire Rated ApplicationAuto Operator and actuatorElectr...
Electronic Protocols:Access Control Door with electric trimAccess Control with electric strike Access control with electric strike and LCN 4600 automatic operatorAccess Control with remote Loc...
Masonry T anchor are approved for fire rated frames up to 3 hours. T Anchors are shipped lose for field installation. Anchor construction: The T portion and the strap do have minimum dimensions th...