inactive vs active

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The 571 strike is used on the in-active door leaf of a pair or on the 19-V door leaf when both doors are active per template.
Von Duprin 6223 electric strike is the most common closed back strike or the 6221 for open back strike on inactive leaf that can be used with Schlage L9000 or Von Duprin 7500 mortise lock.
An Astragal is an applied molding attached most commonly to the meeting edge of doors to: Protection against weather conditions Minimize the passage of light between the doors Retard the passa...
Types of astragal offered from Steelcraft are as follows: "Z" Astragal - For information on "Z" astragal types and attachment refer to the TD Manual page 3.3.17. Most commonly used on double ...
The 9550 series Senior Swing WILL NOT work on a pair of doors with auto flush bolts. The 9560 series Senior Swing and a sequence module are required when used on an pair of door with auto flush b...
To determine Actual Door Size, the following values are subtracted from nominal door size (frame opening/order size) Actual Door Size: The largest measured width by height of the door leaf as m...
Astragal must be applied to pull side of active leaf, since placing the stragal on the inside of the inactive leaf will interfere with the active door closing.
There are 2 types of door coordinators available: Bar Coordinators (Ives COR Series): Surface mounted to the bottom surface of the frame soffit. The active door lever, located nearest to th...
No, the geometry of a swing clear hinge prevents the coordinator from working correctly.  The bar style coordinator will not hold the active door open far enough for the inactive door to clear the ...