q41f three-piece flanged ball valve Product Model: q41f three-piece stainless steel flanged ball valve main parts and materials No. NO Part Name Material Stainless steel 304 stainless steel 2 1 bolt spring washer 304 stainless steel 304 stainless steel nut 3043 4. Bonnet stainless steel SS316 SS316 stainless steel WCB 5 Body WCB 6 balls stainless steel CF8 7 SS304 Teflon PTFE Teflon PTFE 8 ring stem packing stainless steel SS316 stainless SS304 9 Teflon PTFE polytetrafluoroethylene fluoro ethylene PTFE 10 stem nut stainless steel SS316 stainless steel SS304 SS304 11 spring washer nut stainless steel SS304 12 SS304 stainless steel SS304 13 handle SS304 SS304 stainless steel flanged ball valve three main dimensions SIZE 1/2 "3/4" 1 " 11/4 "11/2" 2 "21/2" 3 "4" d 15 20 25 32 38 50 65 76 100 L 130 150 160 180 200 230 290 310 350 D 95 105 115 135 145 160 180 195 230 D1 65 75 85 100 110 125 145 160 190 D2 45 55 65 78 85 100 120 135 160 b 14 16 16 18 18 20 22 24 24 f 2 2 2 3 3 3 3 3 3 H 75 95 90 110 130 140 170 180 250 W 130 140 140 170 200 220 350 350 550 n-do 4-14 4-14 4-14 4-18 4-18 8-18 8-18 8-18 8-22