The valve disc is kept in open position by the flow.
The valve opening depends on the flow velocity.
On interruption of the delivery, the valve closes, thus preventing a reflux of the medium.
Due to is special and unique construction, it is suitable for working pressure up to 40 bars.
Available sizes from 250mm for all working pressure and flow media, overall lenght as for flat type gate valves.
Estandar: DIN, BS, ASA