CATALOG

***PRIME COAT DISCONTINUED***

SP28 IN REPLACE

• The F4023, KRF-4023 and KR-4023 steel mullions are for use with the 19-R, 25-R, and XX-R devices
on double door openings. Advantage: Increased security and tighter closure. Minimizes door warpage
and sag. Regulates the flow of in-and-out traffic.
• Falcon removable mullions are easily removed and reinstalled for full width access.
• Rim devices are used on both leaves, attaining a perfectly symmetrical opening.
• The mullion assembly consists of a mullion, top and bottom mounting brackets and a screw pack.
• The F4023 and KRF-4023 fire-rated mullions also include four stabilizer blocks as required for labeled
installations.
• Mullion may be cut on the job for doors under stock lengths.
• KR Mullions require 11⁄4” mortise cylinder with standard A cam.
Features
• Mullion fittings – ductile iron.
• F4023, 4023, KRF-4023 and KR-4023– 2” x 3” x height.
• 2923 mullion - 1-1/2’ x 2-1/2’ x height.
• SP28
• 7’ or 8’ door opening standard, other door opening as specified.
Cylinders
• Cylinder supplied only when specified.
• Cylinders keyed different unless specified keyed alike.
Sex Bolts
• 325 (1⁄4”-20 Thread)
• 425 (#10-24 Thread)

DOUBLE DOOR APPLICATION
Strike Installed With Min. Stile B *
299 2923 mullion 4 1⁄8” 3”
299 4023 mullion 4 3⁄8” 3 1⁄4”
299-F F-4023 mullion 4 3⁄8” 3 1⁄4”
499-F F-4023 mullion 4 1⁄2” 3 5⁄16”
264 2923 mullion 4” 2 7⁄8”
264 4023 mullion 4 1⁄4” 3 1⁄8”
1439 2923 mullion 3 7⁄8” 2 3⁄4”
1439 4023 mullion 4 1⁄8” 3”
1606 2923 mullion 4 1⁄4” 2 5⁄8”
1606 4023 mullion 4 1⁄2” 2 7⁄8”
1609 Surface 25-V 4” 2 3⁄8”
*Backset to vertical center line on the device.