Falcon Lock F4023-SP28-8FT 3IN Fire 8ft Steel Mullion is designed for double door openings, providing enhanced security and minimizing door warpage and sag. This mullion is compatible with the 25-R devices, ensuring a tighter closure that effectively regulates the flow of in-and-out traffic. Constructed from durable ductile iron, it features a 2in x 3in profile, making it suitable for various applications. The F4023 model includes a complete assembly with a mullion, top and bottom mounting brackets, and a screw pack for easy installation. It also comes with four stabilizer blocks for fire-rated installations, ensuring compliance and safety. Notably, the mullion can be easily removed and reinstalled, allowing for full-width access when needed. With a standard height for door openings of 7 or 8 feet, it can be cut on-site for shorter doors, providing flexibility in various architectural designs. The F4023 is finished in anodized aluminum, offering a sleek appearance while being fire-rated. Note that strikes are not included, and it requires a 1-1/4" mortise cylinder with a standard A cam for KR Mullions. Falcon Lock continues to set the standard in security hardware with this reliable and robust mullion option.

Fire 8ft Steel Mullion, 2in x 3in, for F/ 25/24/19/XX Series, 628/SP28 Anodized Aluminum

Features:

• The 2923, F4023, 4023, KRF-4023 and KR-4023 steel mullions are for use with the 25-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.
• Strikes are not furnished with the mullion.
• Mullions may be cut on the job for doors under stock lengths.
• KR Mullions require 1-1⁄4" mortise cylinder with standard A cam.

Specifications:

• 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.
• Prime coat only.
• 7’ or 8’ door opening standard, other door opening as specified.

Double door application: