Ratings for 1-3/4" door thickness except where noted; 48" maximum door width.
Geared
Standard Duty (SD)
- Medium-Frequency
- Up to 200 lbs
Heavy Duty (HD)
- High-Frequency
- Up to 200 lbs
- Medium-Frequency
- Up to 400 lbs
- Low-Frequency
- Up to 600 lbs
Heavy Duty (LL)
- Low-Frequency
- Up to 1000 lbs
Frequency Definitions (Opens/Closes)
- Low-Frequency
- 10x per day or less
- Medium-Frequency
- 10x-24x per day
- High-Frequency
- More than 25x per day and/or abused doors (ones that often get slammed against a stop, operate in a school, etc.)
Additional Information
- Load/Frequency Rating For 1-3/4" doors except where noted. 48" max. door width in 16 gauge hollow metal (min.) or 1/8" aluminum (min.). Frequency of use and door weight determine the hinge duty needed. SELECT Geared Continuous Hinge model numbers indicate appropriate hinge duty.
- Standard Duty [SD] Tested per BHMA standards for medium-frequency doors up to 200 lb. without frame or door reinforcement.
- Heavy Duty [HD] Tested per BHMA standards. Up to 200 lb. doors (high-frequency) and up to 400 lb. doors (medium-frequency) without frame or door reinforcement; up to 600 lb. doors (low-frequency) with the use of Rivnuts in the frame and door.
- Heavy Duty [LL] Our HD hinge with additional fastener holes for low-frequency doors up to 1,000 lb., including most lead-lined doors. Rivnuts are recommended in the frame and door on extremely tall, extremely heavy or wide doors.
Note: SL60/SL62 57" Toilet Partition Hinges are made for high-frequency partition doors 36" wide (max.) weighing up to 80 lb. without door or frame reinforcement.