Ives 3SP1 3-Knuckle Spring Hinge, Standard Weight, 4-1/2" x 4-1/2"

Name: Ives 3SP1 3-Knuckle Spring Hinge, Standard Weight, 4-1/2" x 4-1/2"
SKU: 3SP1 4.5X4.5
Price: 29.39 USD
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3SP1 4.5X4.5

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For use with fire doors where self-closing is required
Maximum door weight 120 lbs, max door width 36″
Maximum labeled door size – 3’0″ wide x 7’0″ x 1-3/4″ thick as set in NFPA #80
Packed with fasteners for hollow metal and half metal/half wood applications, pin for setting spring tension, adjusting wrench
Size: 4.5" x 4.5"
Gauge: 0.134
Material: 1040 steel or 304 series stainless steel
ANSI/ BHMA Standard: Certified to ANSI/BHMA A156.4 for performance standards, Meets ANSI/BHMA 156.7 for template hinge dimensions
Usage: Medium Duty
Fire Rating: UL listed for use with fire rated doors