Specification	Details
Synonyms	Non-Return Valve (NRV), One-Way Valve
Valve Type	Check valve
Designs Available	Swing, Wafer
End Connections	Flanged (swing), Wafer (between flanges)
Sizes Available	2″, 2.5″, 3″, 4″, 5″, 6″, 8″, 10″, 12″, 14″, 16″, 18″, 20″
Nominal Sizes (DN)	DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500
Operation	Automatic
Body Construction	Bolted cover (swing)
Applications	Backflow prevention in pipelines