Hager BB1191 4-1/2X4-1/2 32D ETW8 Electric Hinge

Hager BB1191 4-1/2X4-1/2 32D ETW8 Electric Hinge is a robust and reliable full mortise ball bearing hinge designed for commercial applications. Measuring 4-1/2 inches by 4-1/2 inches, this standard weight hinge features a durable stainless steel construction with a sleek satin brass finish, ensuring both strength and aesthetic appeal. The hinge incorporates five knuckles and eight wires, making it ideal for use on hollow metal or wood composite doors paired with hollow metal frames that require medium frequency service. Engineered in compliance with ANSI/BHMA A156.1 standards, the Hager BB1191 guarantees quality and performance. Its self-closing capabilities align with ANSI/BHMA A156.17 specifications, ensuring reliability in high-traffic environments. Designed for easy installation, this full mortise hinge features non-removable pins for enhanced security. It is fire-rated for up to three hours, offering added safety in critical settings. The hinge is versatile enough to accommodate various door thicknesses, backsets, and clearances, making it a perfect choice for your architectural needs. Whether you're a building professional or a knowledgeable homeowner, the Hager BB1191 Electric Hinge combines functionality, durability, and style, making it a standout choice for your next project.

ELECTRIC HINGE

Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2" by 4-1/2", Stainless Steel, 5 Knuckle, 8-Wires, Satin Brass Finish

Ball bearing standard weight brass base hinge For use on hollow metal or wood composite doors with hollow metal frames requiring medium frequency service

There are three dimensions to know in order to determine the minimum width of the hinge: door thickness, backset, and clearance required.

Today, the Hager name is synonymous with architectural hinges. In fact, they are the industry’s premiere designer and manufacturer of architectural hinges, with a product line that offers one of the widest varieties of sizes, shapes, and finishes--all of which meet or exceed ANSI standards. 

• Hinges are manufactured in accordance with ANSI/BHMA A156.1. Self-closing hinges and pivots are in accordance with ANSI/BHMA A156.17 using three hinges per opening on a 3’0” x 7’0” x 1-3/4” (914 mm x 2134 mm x 44 mm) door. 
• Round corners are available in 1/4” (6 mm) (standard) or 5/8” (16 mm) radius.
• Full Mortise Both leaves are mortised, one leaf in the door and one leaf in the frame (wood door or hollow metal door with wood frame or hollow metal frame). Example: BB1279, 4-1/2” x 4-1/2” (114 mm x 114 mm), US26D
• Half Mortise One leaf is mortised in the door and the other is surface applied to the frame (hollow metal door with channel iron frame). Example: BB1109, 4-1/2” (114 mm), US26D
• Full Surface Both leaves are applied to the surface, one to the door and the other to the frame (metal core door or hollow metal door with channel iron frame). Example: BB2171, 5” (127 mm), USP
• Half Surface One leaf is mortised in the frame and the other is surface applied to the face of the door (wood door with wood frame or metal core door with hollow metal frame) Example: BB1163, 5” (152 mm), US26D

Resources

• Hager Commercial Hinges Cut Sheet