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“ what does PD stand for? ”

Resolution: Schlage and Falcon use the P cylinder suffix to designate conventional key-in-lever (KIL) 6 pin cylinder. The D means that the lock will have a deadlatch.:

Will a 4040 Hw/PA hold open at 180°?

Resolution: The 4041 Rw/PA and the Hw/PA have the same template. The only difference is the arm. The 4041/4040XP Hw/PA, if mounted to the 180° template, will hold the door open at 180°. Rw/PA is Regular A...:

Does Von Duprin offer a classroom security option with visual status indication?

Resolution: Von Duprin offers two options: The CDSI/HDSI Dogging Indicator provides an at-a-glance verification of the status of the door from inside of the room. Visible “LOCKED” and “UNLO...:

What is the delay time adjustment on a Delayed Action closers?

Resolution: 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...:

What is the purpose of a Swing Free arm on a 4310ME?

Resolution: The (SF) "Swing Free" arm allows the door to be put into hold open position, but then repositioned (swing free) to any other degree of opening without taking the closer out of the hold open mode....:

What does AVB mean in a closer and which closers are available with this option?

Resolution: 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.T...:

What does BSS and CSS stand for?

Resolution: BSS means - Blade Stop Spacer. A -61 for example would be used after the series of the closer being used. CSS means - Cush Shoe Support. A -30 for example would be used after the series of the cl...:

What is exposed glass size?

Resolution: When dealing with glass lights in doors, there are three (3) critical dimensions which must be coordinated: Exposed Glass Size (EGS) - the horizontal and/or vertical dimensional size of the vision...:

What does XQ06-878 stand for?

Resolution: The XQ06-878 is used to stamp "DO NOT DUPLICATE" on a key.:

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“ what does PD stand for? ”

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