Structural features:   1. The thickness of valve shell exceeds the requirements of standard data, with three-stage structure design and solid shape. Beautiful appearance 2. The sealing surface is precisely ground to ensure zero leakage  3. All the materials in contact with the medium are structural ceramics with high wear resistance. Oxidation resistance and corrosion resistance   Application Specification for pneumatic ceramic ball valve   Design and manufacture GB/T 12224 Connection end size Structural length GB/T 12221 Flange size GB/T 9113.1 Inspection and test GB/T 9092 Material Science carbon steel GB/T 12229 stainless steel GB/T 12230 sign GB/T 12220 supply commodity GB/T 12252 Main parts and materials of pneumatic ceramic ball valve Serial number name Material Science 1 Valve cover WCB 2 Mesosoma WCB 3 Middle sleeve engineering ceramics 4 valve seat engineering ceramics 5 Flange sleeve engineering ceramics 6 The Ball engineering ceramics 7 O-ring Fluororubber 8 Spring 17-4PH 9 Septum 20Cr13 10 Stem 35 11 filler PTFE 12 Hexagon nut 2H 13 Equal length double head nut WCB 14 Packing gland Q235 15 Bracket 16 Cylinder Drawing of pneumatic ceramic ball valve Main connecting dimensions of pneumatic ceramic ball valve DN L D D1 D2 C f H n-d 15 130 95 65 45 15 2 175 4-Φ14 20 130 105 75 56 16 2 185 4-Φ14 25 140 115 85 65 16 2 215 4-Φ14 32 165 150 110 84 18 2 240 4-Φ18 40 165 150 110 84 18 2 240 4-Φ18 50 203 165 125 99 20 2 265 4-Φ18 65 222 185 145 118 20 2 300 4-Φ18 80 241 200 160 132 20 2 355 8-Φ18 100 305 220 180 156 22 2 420 8-Φ18 125 356 250 210 184 22 2 495 8-Φ18 150 394 285 240 211 24 2 570 8-Φ22 200 457 340 295 266 24 2 650 8-Φ22 250 533 395 350 319 26 2 750 12-Φ22