EXPANSION SHELLS

Applications

On installation, the bolt or stud is torqued which then draws the expander plug down into the anchor. The leaves expand in a radial direction and securely engage the surface of the borehole. The anchor is now locked in position.

All anchors, although different in design, work on the same principle. The leaves have an outer surface which is roughened by serrations. This roughening increases the friction between the anchor and the surface of the borehole in which the anchor is inserted. The inner surfaces of the leaves have a taper which matches the taper on the corresponding surface of the expander plug.

  • There are many variations available in the market - from 2 leaf to those with multiple leaves i.e. more than four. Most manufacturers manufacture the various components from a cast material such as malleable iron. Duraset uses a unique forged 3 leaf design.

  • Country:South Africa
  • telephone:27-270118765040
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