Models View all forced steel union out-out G1/2" 4 207 0 ball valve DN 20 PN16 simplified 5 216 0 ball valve DN 50 PN16 welding 6 263 0 ball valve DN 50 PN16 thread 15 1012 3 ball valve DN 50 PN16 flange 21 885 0 ball valve DN 25 PN16 flange 17 538 1