Overflow Valve UV 1.2 Valve for simple control duties Body GG-25, GGG-40, GS-C25.   PN........... 16 - 40 DN........... 25 - 200 p1........... 2 - 40 bar Kvs......... 6 - 125 m3/h T............. 130 / 300°C data sheet      sales text