Application The butterfl y valve is designed to open or
close the ventilation system of power plant. It is used in primary, secondary
and auxiliary circuits of the nuclear power plant inside or outside
hermetically zones. Working medium radioactive air mixture air and steam
Maximum working temperature Tmax 150 °C Technical description The butterfl y
valve is single eccentric. The body and the disc are fabricated. The special
design of operating shaft packing allows usage of the butterfl y valve for air
venting in radioactivity environment. Production range DN 150-1600 MAWP up to
0,6Mpa Body material forged carbon steel 11 416.1 or 1.0425 stainless forged
steel 08X18H10T (1.4541) Operation manual (hand wheel) electric actuator