Welded screw butterfly valve adopt stainless steel material and it can be used in the food, pharma, dairy field. Materals of this butterfly valve: SUS304 SUS316L Flux control of pipelines: DN25-100Size D L H B 1" 25.4 58 82 78 1 ¼ " 32 60 86 86 1 ½ " 38 62 90 90 2" 51 64 98 106 2 ½ " 63.5 71 108 124 3" 76.3 75 116 139
