美标球阀主要用于截断或接通介质，也可用于流体的调节与控制。广泛用于石油、化工 、冶金、电力、建筑、热力 、给排水、水处理等行业。
美标球阀标准尺寸表：
| 公称 压力 | 公称 通径 | d | L | D | D1 | D2 | b | f | Z-Φd | H | W |
| Class 150 | 1/2" | 13 | 108 | 89 | 60.5 | 35 | 11.5 | 1.6 | 4-16 | 79 | 135 |
| 3/4" | 19 | 117 | 98 | 70 | 43 | 11.5 | 1.6 | 4-16 | 84 | 135 | |
| 1" | 25 | 127 | 108 | 79.5 | 51 | 12 | 1.6 | 4-16 | 95 | 170 | |
| 1-1/4" | 32 | 140 | 117 | 89 | 64 | 13 | 1.6 | 4-16 | 103 | 170 | |
| 1-1/2" | 38 | 165 | 127 | 98.5 | 73 | 15 | 1.6 | 4-16 | 111 | 200 | |
| 2" | 51 | 178 | 152 | 120.5 | 92 | 16 | 1.6 | 4-19 | 120 | 200 | |
| 2-1/2" | 64 | 190 | 178 | 139.5 | 105 | 18 | 1.6 | 4-19 | 153 | 300 | |
| 3" | 76 | 203 | 190 | 152.5 | 127 | 19 | 1.6 | 4-19 | 163 | 300 | |
| 4" | 102 | 229 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 182 | 400 | |
| 5" | 127 | 356 | 254 | 216 | 186 | 24 | 1.6 | 8-22 | 260 | 500 | |
| 6" | 152 | 394 | 279 | 241.5 | 216 | 26 | 1.6 | 8-22 | 280 | 800 | |
| 8" | 203 | 457 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | - | 1100 | |
| Class 300 | 1/2" | 13 | 140 | 95 | 66.5 | 35 | 15 | 1.6 | 4-16 | 79 | 135 |
| 3/4" | 19 | 152 | 117 | 82.5 | 43 | 16 | 1.6 | 4-19 | 84 | 135 | |
| 1" | 25 | 165 | 124 | 89 | 51 | 18 | 1.6 | 4-19 | 95 | 170 | |
| 1-1/4" | 32 | 178 | 133 | 98.5 | 64 | 19 | 1.6 | 4-19 | 103 | 170 | |
| 1-1/2" | 38 | 190 | 156 | 114.5 | 73 | 21 | 1.6 | 4-22 | 111 | 200 | |
| 2" | 51 | 216 | 165 | 127 | 92 | 23 | 1.6 | 4-22 | 120 | 200 | |
| 2-1/2" | 64 | 241 | 190 | 149 | 105 | 26 | 1.6 | 8-19 | 153 | 300 | |
| 3" | 76 | 283 | 210 | 168.5 | 127 | 29 | 1.6 | 8-22 | 163 | 300 | |
| 4" | 102 | 305 | 254 | 200 | 157 | 32 | 1.6 | 8-22 | 182 | 400 | |
| 5" | 127 | 381 | 279 | 235 | 186 | 35 | 1.6 | 8-22 | 260 | 500 | |
| 6" | 152 | 403 | 318 | 270 | 216 | 37 | 1.6 | 12-22 | 280 | 800 | |
| 8" | 203 | 502 | 381 | 330 | 270 | 42 | 1.6 | 12-25 | - | 1100 |
