Models View all forced steel union out-out G1/2" 5 217 0 ball valve DN 20 PN16 simplified 5 222 0 ball valve DN 50 PN16 welding 6 270 0 ball valve DN 50 PN16 thread 15 1038 3 ball valve DN 50 PN16 flange 21 926 0 ball valve DN 25 PN16 flange 17 554 1