This standard specifies the terms and definitions, classification and labelling, requirements, test methods, inspection rules, and marking, packaging, transportation and storage of stay arms for building windows and doors.
This standard is applicable to stay arms for inward side-hung window, outward top-hung window and inward bottom-hung window in buildings.
2 Normative References
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 5823 Terminology for Building Windows and Doors
GB/T 14436 General Principles of Industrial Product Guarantee Documents
GB/T 32223 Building Hardware for Windows and Doors - General Requirements
3 Terms and Definitions
For the purposes of this document, the following terms and definitions given in GB/T 5823 and the following apply.
3.1
stay arm
device restricting the opening angle of operable leaf, which is also called as stopper and opening stopper
[GB/T 32223-2015, Definition 3.16]
3.2
lockable stay arm
stay arm to fix the opening angle of window leaf by mechanical blocking position
