Templates: SA8145 | SA8160 | SA8170

SA81 – Single Acting Spring Hinge

Standard Weight: 
6.0″ x 4.5″
6.0″ x 6.0″
6.0″ x 7.0″

PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI).

Maximum Door Sizes and Weights
It is advisable to use three hinges on a door. The center hinge should be installed as close as possible to the top hinge for maximum support. Hinge capacity decreases as door height decreases.

Request template from factory for door and frame clearance required.

Non-Handed
DO NOT USE ON DOORS WITH HINGE EDGE BEVELED.
NOTE: Wind Conditions, excessive air pressure, use of gasket for smoke or sound protection may prevent door from latching.

  • Single acting spring hinge is designed for 1-3/4” stock hollow metal or wood doors.
  • UL Listed to Grade 2 ANSI/BHMA requirement A 156.17
  • Permits doors to open in single direction and automatically return to the closed position.
  • Pivot points do no align with standard full mortise hinges
  • See template for exact dimensions
  • All hinges are ANSI template

HINGE SWAGING: A standard swaging of our standard weight full mortise hinge when closed to parallel position provides a 1/16” clearance between leaves.

SA81: Available Materials

SA-81 (ANSI K81071)
Steel – Polished and Plated or Bonderized and Prime Coated for Painting

SA81 – 6.0″ x 4.5″ / 6.0″ x 6.0″ / 6.0″ x 7.0″: Product Specifications

MATERIAL GAUGE:
.100 ± .005 for 4-1/2”, 6”, 7”
BARREL DIAMETER:
1.180
FLANGE HEIGHT:
4.50 for 4-1/2”
6.00 for 6”
7.00 for 7”
WIDTH:
4.50 for 4-1/2”
4.50 for 6”
4.50 for 7”
6” x 4-1/2”, 7” x 7” STANDARD SCREW SIZE
FHMS – 12-24 x 1/2”
FHWS – 12 x 1-1/4”
6” x 6” STANDARD SCREW SIZE
FHMS – 10-24 x 1/2”
FHWS – 10 x 1”
SERIES
2 Hinges

3 Hinges

Door
Thickness

Door
Thickness
Door
Weight
Lbs.

Door
Width

Door
Weight
Lbs.
Door
Width
SA-81 6″ x 4.5″
125
3′-0″
155
4′-0″
1 3/4″
7′-0″
SA-81 6″ x 6″
125
3′-0″
155
4′-0″
1 3/4″
7′-0″
SA-81 7″ x 7″
130
3′-6″
175
4′-0″
2″
7′-0″

PACKAGING INFORMATION:
One hinge per plastic bag, 2 hinges and 1 screw pack per unit carton.
8 unit carton or 24 hinges per master shipping carton.
1 screw pack includes all machine screws (30), and 1/2 wood screws (15). ATMS & AWS also available.