Spring check valve

swingflangestainless steel

Di Nicola manufactures non return valve type swing check , Venturi , double swing , Clasar type , ball type , butterfly type in ductile iron and high nickel content alloys for extreme corrosion from over fifty years with dimensions between 40 and 1800 mm and nominal pressure 2.5 bar , bar 6 , 10 bar , 16 bar and 25 bar . The non-return valves Di Nicola are coated with epoxy resin with minimum thickness of 150 micr . With marked according to EN ISO 19 and spacings between flanges according to DIN 3202 , BS 5150 , ISO 5752 , ASME B16.10 , Flanges according to EN 1092. - 2 , ISO 2531, BS4504 and various other standards, certified EN 10204 3.1 . The company Di Nicola produces non-standard at the request of customers . Key features Swing check valves are used on: acqueducts waste water heatings conditioning industry Istallation Installation in horizontal, vertical and battered positon. Low head loss. Valves are conform PED directive 97/23/CE