T/TJCA 0014-2026 General technical conditions for common heavy-duty door hardware for entrance of civil buildings

Scope

This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking labels, packaging, transportation and storage, and quality commitments for hinges and fittings used in heavy-duty residential doors in civil buildings. This document is only applicable to hinges and fittings (including hinges or pivots, door axles) used in heavy-duty residential doors (weighing 140kg-200kg) such as armored doors, smart doors, bronze doors, cast aluminum doors, and anti-theft doors. Doors weighing more than 200kg should be referenced for use. This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking labels, packaging, transportation and storage, and quality commitments for hinges and fittings used in heavy-duty residential doors in civil buildings. This document is only applicable to hinges and fittings (including hinges or pivots, door axles) used in heavy-duty residential doors (weighing 140kg-200kg) such as armored doors, smart doors, bronze doors, cast aluminum doors, and anti-theft doors. Doors weighing more than 200kg should be referenced for use. Main contents: normative references, terms and definitions, classification and marking, requirements, test methods, inspection rules, etc. Among the technical content, the requirements section includes: materials and appearance, corrosion resistance, film thickness and adhesion, clearance, adjustment range of three-dimensional adjustable hinges, comfort, mechanical performance. Brief introduction to domestic and foreign situations: hinge standards, foreign standards. Currently, the most widely used standards in the industry are American standards and European Union standards. Among them, American standards include: - Requirements for evaluating butterfly hinges: ANSI/BHMA A156.1; - Requirements for evaluating pivot hinges: ANSI/BHMA A156.4; - Requirements for evaluating sprin

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