Von duprin 9954 7ft3in fire rated steel mullions.
Double door removable center mullion.
Doors are fitted with rim exit devices and will function as single doors latching into mullion.
A fixed mullion is an integral part of the door frame and cannot be removed.
A mullion is a metal channel that divides up two sides of an opening.
On a pair of doors a mullion can separate the two doors from each other.
Steel or aluminum mullions for use with dorma exit devices.
Dorma s removable mullions are used with paired doors when a full width opening is only occasionally required.
Mullions are bars in the center of double doors.
Mullion for double doors.
A mullion can separate two pieces of glass two door panels or separate a door and a piece of glass.
Product overview heavy duty steel double doors for commercial industrial and institutional applications.
When a mullion is used to separate two doors in a pair of doors this mullion can be fixed or removable.
The doors can also more effectively work independently from each other.
9954 7ft3in von duprin steel mullion fire rated.
424 cal royal removable mullion fire rated 2 x 3 x 96 steel tubing round corner iron construction with iron top and bottom retainers.
Mullions between a pair of doors adds security and if it is removable allows large material or equipment to pass through the opening.
Optional hc rating hurricane code.
To be used with two rim type devices on two independent active doors with full double door openings.