- This is a IBR approved in line FLOW CHECK VALVES for use in any application Water, Condensate, Liquid etc. - Ensure that there is no reverse flow in the line. - Maximum pressure 47.5 kg/cm2 at 105°c. - Material ASTM A 315 Gr. CF8M (SS 316). - Easy installation, fits between flanges joint in any class. - Sizes available 15 NB to 100 NB, large size available on request. - Valve must be fitted with the direction of flow being according to the direction arrow indicated on the body of the valve.