The VAG EKN® S is a specially designed butterfly valve for hydropower applications, engineered to withstand extreme flow conditions. Its robust design includes a drop weight or hydraulic actuator and offers ultra-low pressure losses in turbine and pump stations.

DN 800 to DN 5000
PN 6 to PN 25
+1°C to +40°C
High rigidity, flow-optimized body
Stainless steel (1.4057 / 1.4313 optional)
Drop weight actuator or hydraulic emergency closing
Welded steel, flow-optimized single or biplane
Threaded holes or flanges per system requirements
Dirt/sand scraper + stainless steel bearing support
Hydropower plants (inlet, outlet, turbine shutoff)
Pumped storage plants
Pipe burst protection installations
Water
High flow velocity handling
Low pressure loss
Custom actuation and design flexibility
Stainless steel overlay weldings
Testing and lubrication ports
Heated hydraulic for sub-zero environments
Custom face-to-face and flange designs
From forging and casting to machining, assembly, and testing — every step is managed under one roof to ensure consistent quality, faster lead times, and zero compromise.
Get in touch with our team for additional information on product pricing, technical data, project support and more.