VAG Check valve Series: SKR Type: 21191 Ductile cast iron/Stainless steel Swing type Straight PN16 Flange DN350

This metal sealing check valve features a tilting disc and a slanted seat, which reduces the closing time. The specially shaped valve offers a low level of resistance, making it easy to open.
The inside is lined with rubber to ensure resistance to salt water.
A minimum flow velocity of 1.5 m/s in the plant is required in order to ensure that the valve operates correctly.
Suitable for use in water treatment applications, for water distribution and for pre-treated wastewater.
Optionally available with an internal damper to reduce the valve stroke.