YFL Hydraulic butterfly valves with counter weight passed the pressure test, seal test and commission test at the witness of our customer from New Zealand.

These hydraulic butterfly valves are customized for our customer to replace the existing butterfly valves which were produced more than 30 years ago.

The hydraulic butterfly valves with counter weight are widely used in hydro power plants to close slowly and protect the hydro turbine from water hammer.

Contact sales@YFLvalve.com for customized industrial valve solutions.