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HM Series
The HM Series Half Mortise Continuous Geared Hinge is designed mainly for retrofit work and is applied to the exposed surface of the frame and the door edge. This hinge is available in standard and heavy duty models, and requires only 5/32" of clearance.
Features
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Standard and heavy duty versions available
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For new or retrofit work on swinging type fire doors
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Applied to the exposed surface of the frame and the door edge
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Designed to require only 5/32" clearance, allows for adjustments to properly align
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Frame portion fasteners are #12-24 x 7/16" Phillips Head Type C, threadforming
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Door portion fasteners are #12-24 x 7/16" FHUC, Type C, threadforming
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Wood screws available on request
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Custom lengths available
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Special FirePins are only required on 3-Hour (A-Label) assemblies
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Certain door and frame conditions may require an extra 1/32"-1/16" clearance
Benefits
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Removal of hinge reinforcements in the door and frame is not advised
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Hollow metal door and frame manufacturers’ standard is acceptable
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Guaranteed for the life of the opening against defects in material or workmanship
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Excessive clearance on fire rated assemblies may violate the requirements for NFPA 80
Specifications
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Grade: Grade 1
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Hinge Material: Aluminum
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Hinge Mounting Type: Half Mortise
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Hinge Strength: Heavy Weight
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Handing: Non-handed
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Fastener: Teks
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Fastener Type: Self Drilling
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Maximum Door Thickness: 1 3/4"
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Minimum Door Thickness: 1 3/4"
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Maximum Door Width: 4'
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Maximum Length: 10'
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Minimum Length: 79"
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Maximum Swing: 180°
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Minimum Hinge Clearance: 5/32"
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Weight: 1.15lbs. per foot
Certifications
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Health Product Declaration (HPD)
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UL 10C - Standard for Positive Pressure Fire Tests of Door Assemblies
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ANSI/BHMA Standard A156.26
RESOURCES & DOWNLOADS
Manufacturer Resources
Product Specs
- Category:
- Door Hinges and Pivots
- Subcategory:
- Continuous Hinges
- Grade:
- Grade 1
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Continuous Hinges
- Product Type:
- Continuous Aluminum Geard Hinges
- Model:
- HM