The drop forged putlog coupler connects putlog and transom tubes to ledgers at intermediate positions across the scaffold bay, providing the board support connections that complete the working platform. Manufactured to BS 1139-2.2:2009, it is a non-structural coupler used throughout UK tube and fitting scaffold construction.
Available from Altrad Generation, drop forged putlog couplers pair with drop forged double couplers, scaffold tube, and the complete scaffold fittings range for a fully compliant scaffold system.
Drop Forged Putlog Coupler Specification
Complies with BS 1139-2.2:2009 for putlog couplers in scaffolding
Drop forged steel construction for reliable board support connections
Fits 3.2mm scaffold tube and 4.0mm scaffold tube
Designed for intermediate putlog and transom to ledger connections
Available in standard or powder-coated finish for brand identification
Available for hire and sale
Putlog Coupler vs Double Coupler: Using the Right Fitting
Your scaffold design specifies which coupler type to use at each connection point. Use drop forged double couplers for all primary structural connections between standards, ledgers, and transoms at framework node points. Use drop forged putlog couplers for intermediate putlog and board support connections only. Never substitute putlog couplers in structural positions.
Complete Scaffold Fittings Range
Altrad Generation supplies a complete range of drop forged and pressed scaffold fittings. View the full scaffold fittings range including swivel couplers, base plates, toe board clips, and all ancillary fittings for a complete scaffold.
Frequently Asked Questions
Q. What is a drop forged putlog coupler used for?
A. A drop forged putlog coupler connects a putlog or transom tube to a ledger or standard at any position along the ledger, not at the node point. You use it to support scaffold boards at intermediate positions across the scaffold bay and to fix secondary tubes to the main scaffold frame.
Q. What load does a drop forged putlog coupler carry?
A. BS 1139-2.2:2009 specifies the strength and load requirements for putlog couplers in scaffold construction. The putlog coupler is a non-structural coupler designed to carry the self-weight of scaffold boards and their imposed loading. It is not rated for the same structural loads as a right-angle double coupler.
Q. What is the difference between a double coupler and a putlog coupler?
A. A double coupler creates a rigid right-angle structural connection between two tubes and is used for main framework connections between standards and ledgers. A putlog coupler fixes a putlog or transom to a ledger to support boards at intermediate positions. Double couplers carry primary structural loads. putlog couplers carry board support loads.
Q. Can a putlog coupler be used instead of a double coupler?
A. No. A putlog coupler is not rated for the structural loads carried by a double coupler at framework node points. Always use the correct coupler type for each connection as specified in your scaffold design. Using putlog couplers in structural positions is a safety violation.
Q. Does the drop forged putlog coupler fit all scaffold board types?
A. The drop forged putlog coupler supports standard 225mm wide scaffold boards and fits 48.3mm ledger tube. It secures the putlog tube against the ledger to provide stable board support across the bay width. Check the product specification for compatibility with non-standard board widths.
Get in Touch with Us
Contact your local Altrad Generation branch to discuss drop forged putlog couplers and scaffold fittings, or find your nearest branch using our branch locator.
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