The IF-91 is ideal for safely stacking empty containers. On an open plain, containers can slide in strong gusts of wind. The Depot Stacker provides a stable fuse between empty containers on a container depot. Thanks to its thoughtful design, the IF-91 is a very cost-effective for securing and stacking containers. It is a minimalist alternative to the Intermediate Twistlock IF-51 and, unlike a twistlock, cannot be locked. The exact dimensions of the Depot Stacker IF-91 can be found on the technical drawing.

Specially designed for safe stacking of empty containers

For stacking empty containers, the Depot Stacker IF-91 is the perfect solution. The Depot Stacker IF-91 is easy to apply by hand in the corner pieces (also called Corner Castings) of a container. The Stackers are ideal for stacking empty containers at terminals and depots. The IF-91 cannot be manually locked for extra security, as with the IF-51. When stacking full containers, it is recommended to use the Intermediate Twistlock IF-51.

Difference with traditional twistlock

The IF-91 differs from the IF-51 Intermediate Twistlock in two ways. First, the IF-91 Depot Stackers can be placed when the container is still within reach. This promotes the speed of container stacking. Secondly, the IF-91 does not need to be locked. This saves time and avoids the practical challenge of turning the handle – at height. A consequence of not being able to lock is that the IF-91 is only suitable for stacking containers on shore (depot). If containers go on board, in addition to the Intermediate Twistlock IF-51, the Semi Automatic Twistlock IF-56 is also a good solution.

Prevents slipping in windy conditions

The Depot Stacker IF-91 provides a stable fuse between empty containers on a container depot. On an open plain, containers can shift during strong gusts of wind. The IF-91 ensures that containers cannot slide away from each other. This is because the tip of the Depot Stacker is located in the corner casting of the container.

When containers need to be anchored and vertically locked, the Intermediate Twistlock IF-51 offers a suitable solution. For horizontal switching of shipping containers, a bridge fitting is a suitable option.

Cost-effective and user-friendly

Thanks to its thoughtful design, the IF-91 is a very cost-effective for securing and stacking containers. The IF-91 is a relatively compact stacker where material use is minimised without effecting strength. Furthermore, the IF-91 has no rotating parts like the Intermediate Twistlock IF-51. This makes the Depot Stacker long-lasting and heavy-duty.

Inserting the Depot Stacker is very easy thanks to its well thought-out design. Via a twisting movement, the stacker can easily be placed in the corner pieces of a shipping container from below.

Galvanised steel resistant to corrosion

The Depot Stacker IF-91 is made of high-quality galvanised steel. This protects the Depot Stacker from weather and sea water. The coating provides protection against corrosion, allowing the stackers to be used for a long time.

Technical drawing available

The exact dimensions of the Depot Stacker IF-91 can be found on the technical drawing in .pdf format. A 3D drawing is also available in .stp file. This allows the IF-91 to be loaded into a technical drawing package for designing customised constructions.

The Depot Stacker IF-91 is comparable to the following articles from other manufacturers

SI-5D