The VAG EKN® HYsec PRO Butterfly Valve is a high-performance quick-closing valve designed with an integrated hydraulic brake and lift unit for critical applications such as turbine inlets, pump protection, and pipe burst safety. With an internal oil supply and advanced hydraulic features, this valve ensures reliable emergency shutoff and optimized flow regulation under dynamic conditions.
Hydraulic brake & lift unit
Adjustable damping & stop
Drop-weight safety closure
DN 300–DN 1800
EN 12266
Hydraulic Cylinder with integrated control unit
EN-JL-1040 (GG-25)
SJ235
Epoxy coating inside and out
PN 6 / 10 / 16 / 25
Flanged
Solenoid release, adjustable closing time, integrated check valve
Stainless Steel / Bronze with PTFE bearing surfaces
Up to 50°C for neutral liquids
Hydropower turbine inlet protection
Pump discharge lines
Emergency pipe burst safety shutdowns
Municipal & industrial water systems
Sea water & raw water systems
Potable Water
Raw Water
Sea Water
Neutral Liquids
Integrated closed hydraulic oil circuit (no external air filters)
Double-bearing drop lever to avoid torque on the valve bearing
Three limit switches (open, closed, and valve-hold position)
Adjustable internal damping unit and limit stops
Compact unit with drop weight + actuator pre-assembled
Control cabinet for local actuation
Oil level and oil temperature switches
Float switch or pipe burst sensors
Quick-opening variant
Custom actuator/drop configurations available on request
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.
