Butterfly valve DEBW

manualpneumaticelectrically-operated

Di Nicola manufactures butterfly valves in single , double and triple offset in alloys of ductile iron EN GJS 400 to EN GJS 500 , malleable cast iron GJL 250 and high- nickel NI resist , carbon steel ASTM 216 WCB / N + GP 240GH , under construction EN S275J0 steel and stainless steel with high nickel content from over fifty years with sizes between 150 and 3000 mm and nominal pressures from 2.5 bar to 64 bar and ANSI Class 125 to Class 600 . Di Nicola butterfly valves answer to major international standards such as EN 593 , EN ISO 1074-1 , EN ISO 1074-2 , DIN 3202 , BS 5150 , ISO 5752 , ASME B16.10 and AWWA C - 504 . With marked according to EN ISO 19 and flanges according to EN 1092-2 , ISO 2531, BS4504 test according to EN 12266-1 . The company Di Nicola produces non-standard on request of customers . Butterfly valves are used as isolating and regulating devices on aqueducts, waterworks, hydroelectric plants and nuclear plants. Advantage - Low pressure losses with valve completely open - Drop tight closure - Reduced overall dimensions - Simple construction and intrinsically reliable - Manually and electrically operated - Possibility to be used as a safety valve (positive safety valve able to close even in case of tampering) In addition to the above mentioned technical advantages there is a remarkable economical benefit as this valve is cheaper than other valves with same materials and working conditions. Di Nicola Infinam srl engines and manufacturing butterfly valves according to the most important international standards (BS 5155, DIN 3554 part 1-2, ANSI / AWWA C504-87 and EN 593 DESIGN)