ULC 133

The purpose of CAN/ULC-S133-07 is to establish requirements for door closers intended for use with swinging doors in fire separations and on exit doors. This Standard does not cover door closers equipped with hold-open features. The door closers covered by this Standard are intended for installation in accordance with the Standard for Fire Doors and Windows, NFPA No. 80. The door closers covered by this Standard are intended for installation on interior doors and for interior mounting on exterior doors. The applicability of data from this Standard to product in actual use is dependent on test specimens being representative of that product.