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McKinney 1502 4-1/2" x 4-1/2" Spring Hinge, Full Mortise, Steel with Plated Finish
- Introduction
- Recommended for standard weight, medium frequency doors
- Ideal alternative to traditional door closers
- Perfect for apartments, hotels, motels, office buildings
- Emphasis on door security and functionality
- Spring Hinge Functionality
- Designed to replace door closing devices efficiently
- Requirement: two hinges per door must be spring hinges for adequate closing force
- Ensures smooth and controlled closure
- NFPA requirement of minimum two spring hinges on labeled doors
- Reinforcement of reliability and compliance with safety standards
When it comes to choosing the right hinge for your doors, understanding the distinctions between single acting spring hinges and conventional hinge types can help you make an informed decision—especially in busy environments where function and safety go hand-in-hand.
Automatic Door Closing
Single acting spring hinges stand out thanks to their built-in self-closing mechanism. Unlike standard butt hinges (from brands like Stanley or Hager) that simply provide pivot motion, spring hinges use internal tension to automatically return the door to a closed position every time it’s opened. This self-closing action makes them a go-to solution for spaces where fire code compliance or energy efficiency is a priority.
Adjustable Tension
Another advantage: single acting spring hinges let you fine-tune the closing speed and force. A supplied hex key allows you to increase or decrease tension, tailoring performance to fit your specific door and usage needs—something you won’t get from fixed-pivot hinges or ball bearing hinges.
Enhanced Security and Safety Compliance
Spring hinges help doors latch securely after each use, helping to maintain building security and—when installed according to NFPA 80 and UL10c standards—supporting fire and life safety code requirements. Many other hinge types, including continuous or piano hinges, lack any mechanism for ensuring the door returns to a closed position after opening.
Ideal Applications
You'll often find single acting spring hinges installed in spots where traditional hydraulic or overhead door closers don’t fit or aren’t practical, such as lighter interior doors in apartment complexes, hotel rooms, or office corridors. They add an extra layer of convenience while saving space and simplifying installation compared to bulky door closers.
Summary of Key Differences
- Self-closing action: Returns doors to the closed position automatically.
- Adjustable tension: Customizable to suit door weight and usage.
- Code compliant: Helps meet fire and security codes.
- Space-saving: No need for overhead closers.
- Practical for internal doors: Perfect for moderate-use spaces.
With these unique advantages, single acting spring hinges can be the practical alternative where efficiency and compliance matter most.
- Adjustability and Installation Features
- Non-handed spring hinge series
- Adjustable tension (add or reduce using included hex key)
- Locking screw for tamper-resistance
- Hinge thickness: .134
- Includes: All Wood Screws (1-1/4 x 12) and All Machine Screws (1/2" x 12-24) for secure installation
- Caution:
- Factors affecting proper latching:
- Gasketing for smoke/sound
- Wind conditions
- Unbalanced air pressure
- Twisted/misaligned frames or doors
- Door bottoms
- Improper latch adjustment
- Additional spring hinges may be necessary for optimal performance
- Factors affecting proper latching:
- Summary Statement
- Blends functionality with compliance
- Reliable choice for wide range of applications
- Offers ease of use and robust security
- Adjustability and Installation Features
- Size and Weight Considerations
- Size: 4.5" x 4.5" (balanced square configuration, fits medium-duty doors)
- Gauge: 0.134" (durable, sleek profile)
- Adheres to dimension requirements, combines strength and subtlety
- Suitable for both replacement and new installations
- Ensures snug fit, maintains functionality and aesthetics
- Door Weight Recommendations
- For door weights up to 115 pounds: use two 1502 4-1/2" height spring hinges and one equivalent size bearing hinge
- For door weights up to 150 pounds: use three 1502 4-1/2" height spring hinges
- Hinges are sold as Each
- Standards Compliance
- Designed to meet ANSI/BHMA A156.1 specification
- Ensures high quality, performance, reliability, and durability
- Size and Weight Considerations
- Safety and Compliance Overview
- Meets essential standards and certifications
- Suitable for fire-rated door applications
- Key Certifications and Standards
- UL Listing and Fire-Rating: UL Listed, meets stringent safety requirements for fire protection
- NFPA Requirements: Aligns with National Fire Protection Association guidelines, requires at least two spring hinges per labeled door
- UL10c Compliance: Passed rigorous fire tests, verifies performance on fire-rated doors
- NFPA 80 Compliance: Meets specifications for fire door assemblies, contributes to life safety
- Distinctive Features
- Provides critical safety features
- Dependable for projects needing verified fire-rated door components
- Safety and Compliance Overview
Specifications
Compliance and Safety Certifications of the McKinney 1502 Spring Hinge
| General - US Finishes | US26D - Satin Chrome or US26 - Polished Chrome or US15 - Satin Nickel or US3 - Polished Brass or US4 - Satin Brass or US10 - Satin Bronze or US10B - Oil Rubbed Bronze or US10BE - Oil Rub Bronze Equal or USP - Prime Painted or D3 - Dark Bronze Powdercoat or D4 - Black Powdercoat |
| Brand | McKinney |
| Hinge Height | 4.5" Hi |
| Hinge Width | 4.5" Wi |
| Hinge Grade/Thickness | Standard Wt .119 to .146 |
| Hinge Type | Spring Hinge |
| Spring Hinge Type | Single Acting |
| Base Material | Steel |
| Hinge Corners | Square |
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