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主要零件材料
| 零件名称 | 材质 | ||
| GB | ASTM | ||
| 阀体、阀盖 | WCB | A216-WCB | |
| 密封圈 | PTFE、对位聚苯 | PTFE、对位聚苯 | |
| 球体 | 1Cr18Ni9Ti | SS 304 | |
| 阀座、阀杆 | 2Cr13 | A246-416 | |
| 双头螺栓 | 35CrMoA | A193-B7 | |
国标连接尺寸和外形
| 公称通径 DN | 尺寸(mm) | |||||||||
| (in) | (mm) | L | D | D1 | D2 | b | f | Z-φd | H | LO |
| 1/2 | 15 | 140 | 89 | 60.5 | 35 | 10 | 1.6 | 4-φ15 | 55 | 130 |
| 3/4 | 20 | 165 | 98 | 70 | 43 | 11 | 1.6 | 4-φ15 | 55 | 130 |
| 1 | 25 | 165 | 108 | 79.5 | 51 | 12 | 1.6 | 4-φ15 | 70 | 140 |
| 11/4 | 32 | 220 | 117 | 79 | 64 | 13 | 1.6 | 4-φ15 | 75 | 180 |
| 11/2 | 40 | 250 | 127 | 98.5 | 73 | 15 | 1.6 | 4-φ15 | 90 | 220 |
| 21/2 | 50 | 260 | 152 | 120.5 | 92 | 16 | 1.6 | 4-φ19 | 104 | 260 |
| 2 | 65 | 320 | 178 | 139.5 | 105 | 18 | 1.6 | 4-φ19 | 153 | 350 |
| 3 | 80 | 320 | 190 | 152.5 | 127 | 19 | 1.6 | 4-φ19 | 187 | 400 |
| 4 | 100 | 370 | 229 | 190.5 | 157 | 24 | 1.6 | 8-φ19 | 206 | 500 |
| 5 | 125 | 510 | 254 | 216 | 186 | 24 | 1.6 | 8-φ22 | 252 | 600 |
| 6 | 150 | 510 | 279 | 241.5 | 216 | 26 | 1.6 | 8-φ22 | 244 | 1000 |
| 8 | 200 | 580 | 373 | 298.5 | 270 | 29 | 1.6 | 8-φ22 | 283 | 1300 |
| 10 | 250 | 670 | 406 | 362 | 324 | 31 | 1.6 | 12-φ25 | 345 | 1600 |
| 12 | 300 | 720 | 483 | 432 | 381 | 32 | 1.6 | 12-φ25 | 420 | 2100 |
