Models View all forced steel union out-out G1/2" 3 129 0 ball valve DN 20 PN16 simplified 4 182 0 ball valve DN 50 PN16 welding 5 234 0 ball valve DN 50 PN16 thread 15 892 3 ball valve DN 50 PN16 flange 18 674 0 ball valve DN 25 PN16 flange 15 437 1