不锈钢美标球阀Q41F的球体是浮动的,在介质压力作用下,球体能产生一定的位移并紧压在出口端的密封面上,保证出口端密封。 不锈钢美标球阀的结构简单,密封性好,但球体承受工作介质的载荷全部传给了出口密封圈,因此要考虑密封圈材料能否经受得住球体介质的工作载荷,在受到较高压力冲击时,球体可能会发生偏移。这种结构,一般用于中低压球阀。
设计标准
技术规范:美标
设计标准:API6D API608
结构长度:ASME B16.10
连接法兰:ASME B16.5
试验与检验:API6D API598
性能规范
公称压力:150,300,600LB
强度试验:PT3.0,7.5,15MPa
密封试验:2.2,5.5,11MPa
上密封试验:2.2,5.5,11MPa
气密封试验:0.6MPa
阀门主体材料:WCB(C),CF8(P),CF3(PL),CF8M(R),CF3M(RL)
适用介质:水,蒸汽,油品,硝酸类,醋酸类
适用温度:-29℃~180℃
主要外形尺寸及连接尺寸:
美标(ANSI)150LB | ||||||||
in | DN | L | D | D1 | D2 | b | t | z-фd |
1/2" | 15 | 108 | 90 | 60.3 | 34.9 | 11.5 | 1.6 | 4-ф16 |
3/4" | 20 | 117 | 100 | 69.9 | 42.9 | 13 | 1.6 | 4-ф16 |
1" | 25 | 127 | 110 | 79.4 | 50.8 | 14.5 | 1.6 | 4-ф16 |
1 1/4" | 32 | 140 | 115 | 88.9 | 63.5 | 16 | 1.6 | 4-ф16 |
1 1/2" | 40 | 165 | 125 | 98.4 | 73 | 17.5 | 1.6 | 4-ф16 |
2" | 50 | 178 | 150 | 120.7 | 92.1 | 19.5 | 1.6 | 4-ф19 |
2 1/2" | 65 | 190 | 180 | 139.7 | 104.8 | 22.5 | 1.6 | 4-ф19 |
3" | 80 | 203 | 190 | 152.4 | 127 | 24 | 1.6 | 4-ф19 |
4" | 100 | 229 | 230 | 190.5 | 157.2 | 24 | 1.6 | 8-ф19 |
5" | 125 | 356 | 255 | 215.9 | 185.7 | 24 | 1.6 | 8-ф22 |
6" | 150 | 394 | 280 | 241.3 | 215.9 | 25.5 | 1.6 | 8-ф22 |
8" | 200 | 457 | 345 | 298.5 | 269.9 | 29 | 1.6 | 8-ф22 |
10" | 250 | 533 | 405 | 362 | 323.8 | 30.5 | 1.6 | 12-ф25 |
12" | 300 | 610 | 485 | 431.8 | 381 | 32 | 1.6 | 12-ф25 |
14" | 350 | 686 | 535 | 476.3 | 412.8 | 35 | 1.6 | 12-ф29 |
16" | 400 | 762 | 595 | 539.8 | 469.9 | 37 | 1.6 | 16-ф29 |
美标(ANSI)300LB | ||||||||
in | DN | L | D | D1 | D2 | b | t | z-фd |
1/2" | 15 | 140 | 95 | 66.7 | 34.9 | 14.5 | 1.6 | 4-ф16 |
3/4" | 20 | 152 | 115 | 82.6 | 42.9 | 16 | 1.6 | 4-ф19 |
1" | 25 | 165 | 125 | 88.9 | 50.8 | 17.5 | 1.6 | 4-ф19 |
1 1/4" | 32 | 178 | 135 | 98.4 | 63.5 | 19.5 | 1.6 | 4-ф19 |
1 1/2" | 40 | 190 | 155 | 114.3 | 73 | 21 | 1.6 | 4-ф22 |
2" | 50 | 216 | 165 | 127 | 92.1 | 22.5 | 1.6 | 8-ф19 |
2 1/2" | 65 | 241 | 190 | 149.2 | 104.8 | 25.5 | 1.6 | 8-ф22 |
3" | 80 | 282 | 210 | 168.3 | 127 | 29 | 1.6 | 8-ф22 |
4" | 100 | 305 | 255 | 200 | 157.2 | 32 | 1.6 | 8-ф22 |
5" | 125 | 381 | 280 | 235 | 185.7 | 35 | 1.6 | 8-ф22 |
6" | 150 | 403 | 320 | 269.9 | 215.9 | 37 | 1.6 | 12-ф22 |
8" | 200 | 502 | 380 | 330.2 | 269.9 | 41.5 | 1.6 | 12-ф25 |
10" | 250 | 568 | 445 | 387.4 | 323.8 | 48 | 1.6 | 16-ф29 |
12" | 300 | 648 | 520 | 450.8 | 381 | 51 | 1.6 | 16-ф32 |
14" | 350 | 762 | 585 | 514.4 | 412.8 | 54 | 1.6 | 20-ф32 |
16" | 400 | 838 | 650 | 571.5 | 469.9 | 57.5 | 1.6 | 20-ф35 |
美标(ANSI)600LB | ||||||||
in | DN | L | D | D1 | D2 | b | t | z-фd |
1/2" | 15 | 165 | 95 | 66.7 | 34.9 | 21 | 6.4 | 4-ф16 |
3/4" | 20 | 190 | 115 | 82.6 | 42.9 | 23 | 6.4 | 4-ф19 |
1" | 25 | 216 | 125 | 88.9 | 50.8 | 24 | 6.4 | 4-ф19 |
1 1/4" | 32 | 229 | 135 | 98.4 | 63.5 | 27.5 | 6.4 | 4-ф19 |
1 1/2" | 40 | 241 | 155 | 114.3 | 73 | 29 | 6.4 | 4-ф22 |
2" | 50 | 292 | 165 | 127 | 92.1 | 32 | 6.4 | 8-ф19 |
2 1/2" | 65 | 330 | 190 | 149.2 | 104.8 | 35 | 6.4 | 8-ф22 |
3" | 80 | 356 | 210 | 168.3 | 127 | 38.5 | 6.4 | 8-ф22 |
4" | 100 | 432 | 275 | 215.9 | 157.2 | 45 | 6.4 | 8-ф25 |
5" | 125 | 508 | 330 | 266.7 | 185.7 | 51.5 | 6.4 | 8-ф29 |
6" | 150 | 559 | 355 | 292.1 | 215.9 | 54.5 | 6.4 | 12-ф29 |
8" | 200 | 660 | 420 | 349.2 | 269.9 | 62 | 6.4 | 12-ф32 |
10" | 250 | 787 | 510 | 431.8 | 323.8 | 70 | 6.4 | 16-ф35 |
12" | 300 | 838 | 560 | 489 | 381 | 73.5 | 6.4 | 20-ф35 |
14" | 350 | 889 | 605 | 527 | 412.8 | 76.5 | 6.4 | 20-ф39 |