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BOMMER 4310 SINGLE ACTING SPRING HINGE
Recommended for hotels, motels, apartments, dormitories, or wherever doors are required to be self-closing. Great for retrofit applications.
bommer spring hinge
 Single Acting Spring Hinge
LB4300 Series UL
  • 4-1/2" x 4-1/2" full mortise (other sizes available)
  • UL Listed for fire door application
  • Non-handed Steel construction
  • NEW! Self lubricating bearings
  • Easily adjustable spring tension
  • ANSI templated screw hole pattern
bommer 4310
Single Acting Spring Hinge:
4310 Series UL
FINISHES:
  
US4
 Satin Brass
US26D
 Satin Chrome
  • 4-1/2" x 4-1/2" full mortise (other sizes available)
  • UL Listed for fire door application
  • Non-handed
  • Steel construction
  • Easily adjusted spring tension
  • Minimizes cost of install a door closing device
  • Screw hole pattern conforms to ANSI specifictions
  • Pivot point aligns with hinges of the same size
MAXIMUM DOOR SIZE:
Labeled Doors
 3' 0" x 7' 0" x 1-3/4"
Non-Labeled Doors
 4' 0" x 7" 0" x 1-3/4"

Maximum door size and number of hinges
required are based on limits set by
NFPA - Standard #80 (2 spring hinges minimum)

Always verify local fire code requirements.
BOMMER 3029 DOUBLE ACTING SPRING HINGE
Permits doors to swing in either direction and automatically return to closed position.

bommer 3029

bommer 3029

Adjustable spring tension for power and speed control

Provides protection for doors through spring support and shock absorbing reaction of flexible mounting

Steel construction

bommer door dia

Note: It is advisable to use 3 hinges on a door and install the center hinge as close as possible to the top hinge for maximum support.

FINISHES:
US4
 Satin Brass
USP
 Prime Coat
AL
 Aluminum Lacquer
MODEL
2 HINGES
3 HINGES
DOOR
Thickness
DOOR
Height
Door lbs
Width
Door lbs
Width
3029-3
35
24"
39
32"
3/4"
 - 1" 5' 0"
3029-4
60
30"
75
36"
7/8"
 - 1-1/4" 6' 8"
3029-5
65
32"
93
36"
1-1/8"
 - 1-1/4" 6' 8"
3029-6
75
32"
107
36"
1-1/4"
 - 1-3/4" 7' 0"
3029-7
82
36"
120
42"
1-3/8"
 - 2" 7' 0"
3029-8
103
42"
143
48"
1-1/2"
 - 2" 7' 0"
BOMMER 7112 DOUBLE ACTING PIVOT FOR GATES

bommer 7122

Model 7122 Mortise Pivot Available
  • Ball bearing spring pivot
  • Maximum gate size: 36-in. wide
  • Maximum gate weight: 75 lbs.
  • Maximum thickness: 1-3/8" - 2-1/2"
  • Surface mounted
  • Adjustable spring tension
  • Non-handed
FINISHES:
USP
 Prime Coat
BOMMER 7800 SERIES DOUBLE ACTING SPRING PIVOTS
Recommended for residential, low frequency doors 

bommer 7811

7811 Double Acting Spring Pivot
with Side Plate
  • Adjustable spring tension for doors to 70 lbs.
  • Ball bearing
  • Hold Open at 85°
  • Non-handed
  • Door thickness: 1-3/8" - 1-3/4"
  • Note: Door stops must be used at 90° to prevent damage to the pivot.

 

bommer pivot

7801 Double Acting Spring Pivot
with Side Plate
  • Non-Adjustable spring tension for doors to 35 lbs.
  • Ball bearing
  • Hold Open at 85°
  • Non-handed
  • Door thickness: 1-3/8" - 1-3/4"
  • Note: Door stops must be used at 90° to prevent damage to the pivot.

bommer top pivot

7890 Top Pivot
(Included)
OPTION: 7805 Jamb Bracket (not shown)
FINISHES:
  
US4
 Satin Brass
US26D
 Satin Chrome

 

 

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ANDERSON LOCK
800-323-LOCK [5625]

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ANDERSON LOCK  
ANDERSON LOCK • 850 E. OAKTON STREET • DES PLAINES, IL 60018 • 800-323-LOCK [5625]