The technical and economic advantages of this new type, which was presented in 1976, revolutionise the use of valves in water supply.
Compared to its predecessor, a shut-off valve with centric bearing, the innovation of the new type is the double-eccentric bearing of its disk. Through the shift of the point of rotation, the seal does not rub tangentially in the seat. It has a better sealing effect, the path of friction becomes shorter and there is less shearing stress.
These and other properties soon make the EKN an integral part of long-distance pipelines, plants and municipal gas and water supply systems.
The German term “Normprogramm” describes a kind of kit system. With this system, VAG not only offers the right valve for water supply applications but also for use in many other areas such as:
- Gas supply
- Wastewater disposal
- Power stations
- Sea-water desalination
Having been successful in the market for almost 50 years, the platforms of the VAG EKN® Butterfly Valves continue to be optimised. They feature maximum reliability of function, highest energy efficiency, a long service life and are thus exemplary in terms of sustainability.