Double Door Mullion
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Double door mullion. Double doors with a mullion. This was done on a aluminum frame. Rim exit devices may be used on 3 main types of doors. This is a sufficient one size fits all word for an element that no longer has a structural function.
On a pair of doors a mullion can separate the two doors from each other. The mullion is for use with pdq series 6200 grade 1 architectural exit devices. Aluminum removable mullions sl 60 sl 60e improve entrance functionality with removable mullions. Mullions 9200 series single door performance in double door openings with rim devices the pdq 9200 series offers superior durability and security in commercial applications while providing compliance with life safety and fire code requirements.
These doors are designed to satisfy your requirements for durability security aesthetics or fire. Special lite removable mullions can be quickly and easily removed to allow oversized objects to pass through double doors. Today a mullion or grille is just there for aesthetic appeal. Fixed mullions will usually have the same dimensions and the same jamb depth as the rest of the frame.
The strike is mounted to the door frame. Two versions are offered the non electric sl 60 and the pre wired sl 60e for use with the electric hardware. The strike is mounted to the center mullion. Steel or aluminum mullions for use with dorma exit devices.
The inactive side is then secured by a vertical rod exit device. Doors are fitted with rim exit devices and will function as single doors latching into mullion. Heavy duty steel double doors for commercial industrial and institutional applications. Installation of the von duprin keyed removable mullion bar for a double door.
Major window manufacturer pella calls all of these elements a grille whether muntins grids windowpane dividers or mullions. Dorma s removable mullions are used with paired doors when a full width opening is only occasionally required. Optional hc rating hurricane code. The strike is mounted to the inactive side of the double doors.
The 2923 7 2 steel mullions are for use with the 19 r rim exit devices on double door openings. I also improvise on a couple things. Double doors without a mullion. Mullion for double doors.