Equipment Tensioning of DYWIDAG Multistrand Anchors

All jacks are calibrated with their respective pressure gauges.For installation and stressing efficiency, most DYWIDAG jacks for multistrand anchors are equipped with internal strand guide tubes and automatic strand gripping and releasing devices. These features make jack installation a fast, one-step operation with small wedge seating loss.

For safety, all jacks feature a check valve which holds the pressure in the unlikely event of hydraulic failure. For reliability, the jacks are equipped with a special plate for seating all wedges simultaneously.