Ives 3PB1 Brass/Stainless Steel 3-Knuckle Plain Bearing Full Mortise Hinge with Fasteners

Ives 3PB1 Brass/Stainless Steel 3-Knuckle Plain Bearing Full Mortise Hinge with Fasteners

Professional Full Mortise Hinge for Standard Weight Doors

The Ives 3PB1 is a professional-grade 3-knuckle plain bearing full mortise hinge designed for standard weight doors in low frequency usage applications. Available in both brass and stainless steel substrates with square corners, this hinge comes packed with fasteners for both hollow metal and wood doors including 12-24 x 1/2" UFPHMS, 12 x 1 1/4" FPHWS, 10-24 x 1/2" UFPHMS, and 10 x 1" FPHWS screws. Certified to exceed ANSI/BHMA A156.1 performance standards and meets ANSI/BHMA 156.7 template dimensions for reliable commercial applications.

Professional Features & Benefits

• Plain Bearing Design: Engineered for standard weight doors with low frequency usage applications, providing smooth operation without the complexity of ball bearings.
• Grade 2 Performance Rating: Tested to 1,500,000 cycles for reliable long-term performance in commercial applications.
• Dual Substrate Options: Available in brass substrate (all finishes except 629/630) or stainless steel substrate (finishes 629/630) to meet specific application requirements.
• Complete Fastener Package: Includes wood and machine screws for both hollow metal and wood door installations - 12-24 x 1/2" UFPHMS, 12 x 1 1/4" FPHWS, 10-24 x 1/2" UFPHMS, and 10 x 1" FPHWS.
• Professional Customization Options: Available with hospital tip (HT), non-removable pin (NRP), security stud (SH), rounded corners (RC-1/4, RC-5/8), and security fasteners (SEC) for specialized applications.
• ANSI/BHMA Compliance: Certified to exceed ANSI/BHMA A156.1 performance standards and meets ANSI/BHMA 156.7 template hinge dimensions for code compliance.
• UL Classification: UL Classified for windstorm rated assemblies (R37965) ensuring performance in demanding environmental conditions.
• Wide Finish Selection: Compatible with 21 available ANSI/BHMA listed finishes to match existing door hardware and architectural requirements.

Technical Specifications

• ANSI/BHMA: ANSI/BHMA A156.1
• Bearing Type: Plain Bearing
• Commercial/Residential: Commercial
• Corner Style: Square Corners
• Department: Door Hardware
• Duty Level: Medium Duty
• Fasteners: Wood and Machine Screws
• Grade: Grade 2
• Knuckles: 3
• Product Category: Door Hinges and Pivots
• Product Function: Plain Bearing
• Product Group: Door Hinges and Pivots
• Product Model: 3PB1-B
• Product Subgroup: Full Mortise Hinges
• Product Substrate: Brass, Stainless Steel
• Product Type: Hinges
• Subcategory: Hinges and Pivots

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Ives Quality?

Ives architectural hinges deliver professional-grade reliability with tested durability for cycles, weather and environment to ensure high performance in demanding commercial applications. Grade 2 certification provides 1,500,000 cycle rating with ANSI/BHMA A156.1 compliance and UL Classification for windstorm rated assemblies. Engineered for consistent superior performance where dependable door hardware operation is essential.