Pemko's heavy duty anodized aluminum Half Surface continuous geared hinges are designed mainly for retrofit work, and are applied to the exposed surface of the door and frame rabbet. Also available in standard duty models.
Designed for use with hollow metal frames, where the inset conforms to S.D.I. specifications for aligning doors and frames.
Allows for adjustments in order to properly align the edge of the door to the frame.
BL (Black Anodized) and PW (Painted White) are special finishes available upon request.
Fasteners - Frame Portion - All fasteners are #12-24 x 7/16" FHUC, Type C, threadforming.
Heavy duty model: 20 fasteners required for each leaf.
Wood screws available on request (specify on order).
Fasteners - Door Portion - a. Thru-bolt - 1/4-20 x 1-5/8". - Heavy Duty Hinges - 4 required. - b. Shoulder Bolt - 1/4-20 x 1" PCH. - Heavy Duty Hinges - 4 required. - c. Pan Head Self Drilling #12 x 3/4". - Heavy Duty Hinges - 6 required.
Heavy duty hinge (HD1): 3" between bearing centers.
Heavy duty hinge (HD3): 3" between bearing centers.
HD1 hinges conform to Grade 2-150, Grade 1-300, and Grade 1-600 cycle requirements per BHMA standard ANSI/BHMA A156.26-2006.
HD3 hinges conform to Grade 3-150, Grade 3-300, and Grade 3-600 cycle requirements per BHMA standard ANSI/BHMA A156.26-2006.
Tested and certified by Underwriters Laboratories Inc. (USA and Canada) to standard UL10B, UL10C and UBC 7.2 (positive pressure) for up to a 3-Hour (A-Label) fire listing for all 4 ft. 0 in. x 10 ft. 0 in. and 8 ft. 0 in. x 10 ft. 0 in. door and frame assemblies. Fire listing certifications apply to all approved hollow metal and wood door assemblies in drywall or masonry construction.
Aluminum continuous hinge for use on swinging type fire doors of the hollow metal, tin-clad, sheet metal and steel covered composite type rated up to 3 hours, wood covered composite type rated up to and including 1-1/2 hours. Also wood core rated up to and including 20 minutes without hose stream.
All hinges meet criteria of UBC 7.2 for positive pressure.
Special FirePins are only required on 3-Hour (A-Label) assemblies.
Certain door and frame conditions may require an extra 1/32"-1/16" clearance. Excessive clearance on fire rated assemblies may violate the requirements for NFPA 80.
PemkoHinge products are guaranteed for the life of the opening against defects in material or workmanship wit hthe exception of AL, RS, standard duty and Grade 3 hinges, which carry a 10 year warranty.
Weight bearing (per BHMA standard ANSI/BHMA A156.26-2006) for heavy duty models: 83" and 85" = 27 bearings, door weight = 540 lbs.; 95" = 31 bearings, door weight = 620 lbs.; 120" = 39 bearings, door weight = 780 lbs.
Special hinge reinforcements are not required. Hollow metal door and frame manufacturers’ standard is acceptable. Removal of hinge reinforcements in the door and frame is not advised.
Width: 1/8” (3.2 mm) (between frame edge and door edge).
Width: 2” (50.8 mm) (between frame leaf and door leaf edge).
Cap Width: 25/32” (19.8 mm).
Height: 11/16” (17.5 mm) (to top cap/frame edge side).
Height: 1-7/8” (47.6 mm) (to flange/frame edge side).