• dh coupler scaffolding - economy form panel C clamps and B clamps
  • dh coupler scaffolding - economy form panel C clamps and B clamps
  • dh coupler scaffolding - economy form panel C clamps and B clamps
  • dh coupler scaffolding - economy form panel C clamps and B clamps
  • dh coupler scaffolding - economy form panel C clamps and B clamps

DH Coupler (C Clamp & B Clamp)

There are a lot of formwork and scaffolding clamps in construction. What is DH couplers? What are the types of DH couplers? How to use the DH coupler?
DH coupler is a type of scaffolding coupler used to attach a scaffold tube to a vertical standard at a right angle (90 degrees) or attach a scaffold tube and steel channel to economy form panels in formwork construction. DH couplers have an eye bolt, a locating plate for the eye bolt, and hooks at the end of the clamp.
In an economy formwork system, the hooks secure into the hole of the periphery of the economy panels thus preventing the clamps from moving and falling out when attached.
DH couplers have short and long types in sizes. Long-size DH couplers are called C Clamps in the economy formwork system, and short-type DH couplers are called B clamps.
Long DH C clamps are used to secure a 100x50mm channel to the economy panels.
Short DH clamps are used to secure the OD48mm scaffold tube to the economy panels.

Check details of the DH coupler size and specification in the following content.

Photos

Scaffold DH Coupler Size & Specifications

The distance between the hooks of the DH coupler is 52mm. This size is convenient for locking OD48mm standard scaffold tubes and standard 100x50mm steel channels. 52mm is also designed to match with the 50mm holes on the economy panels.  The short DH B Clamp is 120mm. The long DH C clamp is 170mm.  DH coupler eye bolts are 8.8 class.

DH Coupler Specifications
No.WeightThicknessSteel GradePackageBoltFinishing
10.7 KG4mmS235 Steel25 PCS/BundleM20x80mmGalvanized
21.0 KG5mmS235 Steel25 PCS/BundleM20x80mmGalvanized
31.1 KG6mmS235 Steel25 PCS/BundleM20x80mmGalvanized

How to Use DH Couplers In Scaffolding and Formwork

How to Use DH Coupler In Scaffolding

DH couplers can be used in all scaffold tube clamp systems and modular scaffolding systems of kwikstage(quickstage) system scaffold, ringlock scaffold, cuplock scaffolding, etc. They can fix two scaffold tubes/poles at a right angle like the following photos.

DH Coupler Works in Scaffolding
DH Coupler Works in Scaffolding

How to Use DH Coupler In Economy Formwork System

  1. If you want to fix steel channels to the economy form panels, you need to choose long DH C clamps. The long size can hold a 100mm width of steel channel.
  2. If you want to fix the scaffold tube to the economy form panels, you can choose the short clamp B. The short size is enough to hold OD48mm sizes tubes.
how to use DH coupler scaffold - b clamp and c clamp in economy form panel system
how to use DH coupler scaffold – b clamp and c clamp in economy form panel system
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