Item No: QT-QFXXX-WY-XXX

Product standard: 9576-2000 JB/T

Nominal diameter: DN400-DN3000

Nominal pressure: 4.0MPa, 6.3MPa, 10MPa

Opening time: 30-150s

Closing time: 30-150s

Driving mode: Hydraulic

Main material: Cast Steel

Use and function: applicable to the medium containing sediment water and hydropower station water pipeline temperature are less than 80 of the opening and closing device; has advantages of small flow resistance, and closing a flexible, safe and reliable operation, convenient etc..

In case of unit failure, emergency shutdown of water and water to prevent accidents from expanding;

When the turbine is repaired, the water inflow of the turbine is cut off;

The long term outage, truncation upstream, reduce erosion of the turbine, to prevent the unit peristalsis.