▲产品特点
两片式美标高平台法兰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。按美国标准设计,制造,生产、检测的阀门叫做美标阀门。适用于Class150~Class1500的各种管路上。美标球阀的关闭件是个球体,球体绕阀体心线作旋转来达到开启、关闭的一种阀门。球阀在管路中主要用来做切断、分配和改变介质的流动方向。
▲外形及连接尺寸
称压力 PN(Class) | 公称通径 | L | d1 | D | D1 | D2 | D6 | f | f2 | b | Z-φd | H1 | H2 | ||
RF | BW | 全通径 | 缩径 | ||||||||||||
300LB | 1/2 | 108 | 140 | 13 | - | 89 | 60.5 | 35 | - | 2 | - | 12 | 4-15 | - | 59 |
3/4 | 117 | 152 | 19 | - | 98 | 70 | 43 | - | 2 | - | 12 | 4-15 | - | 63 | |
1 | 127 | 165 | 25 | - | 108 | 79.5 | 51 | - | 2 | - | 12 | 4-15 | - | 75 | |
11/4 | 140 | 178 | 32 | - | 117 | 89 | 64 | - | 2 | - | 13 | 4-15 | - | ||
11/2 | 165 | 190 | 38 | - | 127 | 98.5 | 73 | - | 2 | - | 15 | 4-15 | - | 95 | |
2 | 178 | 216 | 51 | - | 152 | 120.5 | 92 | - | 2 | - | 16 | 4-19 | - | 107 | |
21/2 | 190 | 241 | 64 | - | 178 | 139.5 | 105 | - | 2 | - | 18 | 4-19 | - | 142 | |
3 | 203 | 283 | 76 | 64 | 190 | 152.5 | 127 | - | 2 | - | 19 | 4-19 | - | 152 | |
4 | 229 | 305 | 102 | 76 | 229 | 190.5 | 157 | - | 2 | - | 24 | 8-19 | - | 178 | |
5 | 356 | 381 | 127 | 102 | 254 | 216 | 186 | - | 2 | - | 24 | 8-22 | - | 252 | |
6 | 394 | 457 | 152 | 127 | 279 | 241.5 | 216 | - | 2 | - | 26 | 8-22 | - | 272 | |
8 | 457 | 521 | 203 | 152 | 343 | 298.5 | 270 | - | 2 | - | 29 | 8-22 | - | 398 | |
10 | 533 | 559 | 254 | 203 | 406 | 362 | 324 | - | 2 | - | 31 | 12-26 | 335 | 495 | |
12 | 610 | 635 | 305 | 254 | 483 | 432 | 381 | - | 2 | - | 32 | 12-26 | 385 | 580 | |
14 | 686 | 762 | 337 | 305 | 533 | 476 | 412 | - | 2 | - | 35 | 12-29 | 430 | 625 | |
16 | 762 | 838 | 387 | 337 | 597 | 540 | 470 | - | 2 | - | 37 | 16-29 | 470 | 720 | |
18 | 864 | 914 | 438 | 337 | 635 | 578 | 533 | - | 2 | - | 40 | 16-32 | - | - | |
20 | 914 | 991 | 489 | 387 | 699 | 635 | 584 | - | 2 | - | 43 | 20-32 | 590 | 840 | |
24 | 1067 | 1143 | 591 | 489 | 813 | 749.5 | 692 | - | 2 | - | 48 | 20-35 | 700 | 1050 |