AIR RELEASE VALVES

Di Nicola manufacture air vent valves in simple and triple effect , vacuum relief valves and vacuum braker screw in ductile iron alloys EN GJS400 and EN GJS500, electro welded EN S275 J0 carbon steel and stainless steel high in nickel for extreme corrosion from over thirty years with sizes from 40 to 1600 mm and nominal pressures from 2.5 bar to 100 bar . With construction and testing in accordance with EN 1074 and AWWA 512 flanges to EN 1092-2 and ANSI 150 . The company Di Nicola manufacture non-standard air vents on request of customers.