Cast iron ball valve jis10kthe cast iron ball valve can save much cost than stainless steel ball valves. But higher cost than carbon steel ball valves, because its weight is bigger, more iron material needed. It have longer servcice life than carbon steel ball valve.Testworkingpressure 10kshellpressure 21.1kgm2seatpressure 15.0kgm2componentsbody castironorductileirondisc stainlesssteelseat ptfestem stainlesssteeldimensions(unit:mm)dn 50 65 80 100 125 150 200 250l 183 190 203 229 356 394 457 533h 120 153 180 210 211 290 340 460dn 155 178 185 210 3254 270 343 406