Penstock pipes are usually located in complex grounds, abrupt orography and / or geotechnical instability, and withstand high operating pressures. For this reason, high tech equipment is needed.
The locking system must be easy and simple, providing high installation performance, not just with a high safety factor, but in its more than 50 years of lifespan the pipeline system remains safe and fully operational once it is in service. Moreover, it does not need maintenance!