Pemko WT_HS_ Wide Throw

Heavy Duty Anodized Aluminum Half Surface Continuous Geared - designed mainly for retrofit applications that require extra clearance due to special frame, door, or wall design and are applied to the frame rabbet and the exposed door surface.

  • Applied to the frame rabbet and the exposed door surface.
  • Combine the versatility of the Half Surface units and the clearance of a Wide Throw hinge into one.
  • Available only in heavy duty (HD1) to support larger doors.
  • Available in 83" and 95" lengths.
  • Fasteners: Frame Portion - All fasteners are No. 12-24 x 7/16" FHUC, Type C, threadforming.
  • Heavy duty models: 20 fasteners required for each leaf.
  • 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
  • No. 12 x 3/4" (heavy duty hinges - 6 required).
  • Wood screws available on request (specify on order).
  • Heavy duty hinge (HD1): 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.
  • 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: 1-10/16” (40.2 mm) (to top cap/frame edge side).
  • Height: 1-11/16” (42.9 mm) (to flange/frame edge side).


BHMA Certified BHMA Certified

Fire Rated - UL10C - Positive Pressure Fire Rated - UL10C - Positive Pressure

PemkoHinge Fire Rating - UL76Y2 PemkoHinge Fire Rating - UL76Y2


C - Clear WTCHSHD1: C - Clear Anodized Aluminum

D - Dark Bronze WTDHSHD1: D - Dark Bronze Anodized Aluminum

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