Scaffolding coupler models are closely matched with steel pipe specifications,with the core basis being the steel pipe outer diameter.Different outer diameters require corresponding coupler models to ensure tight connection and load-bearing stability,regulated by relevant standards.
The 48.3mm outer diameter steel pipe is the most common globally,matching EN74-standard couplers such as right-angle,swivel,sleeve and half couplers,designed to fit tightly and ensure adjustable,safe connection.
For 48.0mm outer diameter steel pipes,GB/T 15831-2023-standard couplers are used,with slightly adjusted inner diameters to fit the pipe size and meet mechanical performance requirements.
Special specification steel pipes(e.g.,60mm,76mm outer diameter for heavy-duty scenarios)require customized couplers with matching inner diameters,which also comply with relevant standards for compatibility and load-bearing capacity.
Coupler markings usually indicate applicable steel pipe specifications for quick identification;strict matching is required to avoid loose connections and safety hazards.
References
GB/T 7714 Format
[1]Anonymous.Coupler Models for Different Specification Steel Pipes[EB/OL].(n.d.).
[2]Anonymous.Matching Standards of Scaffolding Couplers and Steel Pipes[EB/OL].(n.d.).
[3]Anonymous.Scaffolding Coupler Model Classification and Application[EB/OL].(n.d.).
MLA Format
Anonymous."Coupler Models for Different Specification Steel Pipes."n.d.
Anonymous."Matching Standards of Scaffolding Couplers and Steel Pipes."n.d.
Anonymous."Scaffolding Coupler Model Classification and Application."n.d.
APA Format
Anonymous.(n.d.).Coupler models for different specification steel pipes.
Anonymous.(n.d.).Matching standards of scaffolding couplers and steel pipes.
Anonymous.(n.d.).Scaffolding coupler model classification and application.