美標(biāo)截止閥主要有API和ASME標(biāo)準(zhǔn),ASTM,ASTM是材料標(biāo)準(zhǔn),不是閥門本身的標(biāo)準(zhǔn);按美國(guó)標(biāo)準(zhǔn)設(shè)計(jì),制造,生產(chǎn)、檢測(cè)的截止閥叫做美標(biāo)截止閥。
壓力試驗(yàn)
公稱壓力PN(Lb) NominalPressure | 強(qiáng)度試驗(yàn) Shell Test | 水密封試驗(yàn) Water Seal Test | 氣密封試驗(yàn) Air Seal Test | |||
MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
150 | 3.0 | 430 | 2.2 | 315 | 0.4-0.7 | 60-100 |
300 | 7.7 | 1110 | 5.7 | 815 | ||
600 | 15.3 | 2220 | 11.3 | 1630 | ||
900 | 23.0 | 3330 | 17.0 | 2445 | ||
1500 | 38.4 | 5560 | 28.2 | 4080 | ||
2500 | 64.0 | 9255 | 47.0 | 6790 |
主要零件材料及性能
體、蓋 |
閥桿 | 密封面 | 墊片(環(huán)) | 填料 | 工作溫度Working Temperature | 適用介質(zhì) |
WCB | 2Cr13 | 13Cr | 增強(qiáng)柔性石墨 | 柔性石墨 | ≤425 | 水 蒸汽 油品 |
WC1 | 38CrMoAl 25Cr2MoV | ≤425 | ||||
WC6 | ≤540 | |||||
WC9 | ≤570 | |||||
C5 C12 | ≤540 | |||||
CF8 | F304 | ≤200 | 硝酸 醋酸 尿素 | |||
CF8M | F316 | |||||
CF3 | F304L | |||||
CF3M | F316L |
主要外形尺寸及連接尺寸:
美標(biāo)(ANSI)150LB | |||||||||
DN | DN/in | L | D | D1 | D2 | b | zxфd | H≈ | Do≈ |
15 | 1/2 | 108 | 90 | 60.3 | 35 | 8 | 4xф16 | 235 | 125 |
20 | 3/4 | 117 | 100 | 70 | 43 | 9 | 4xф16 | 241 | 125 |
25 | 1 | 127 | 110 | 79.4 | 51 | 9.6 | 4xф16 | 242 | 125 |
32 | 1 1/4 | 140 | 115 | 89 | 63.5 | 11.2 | 4xф16 | 280 | 160 |
40 | 1 1/2 | 165 | 125 | 98.4 | 73 | 12.7 | 4xф16 | 315 | 160 |
50 | 2 | 203 | 150 | 120.7 | 92 | 14.3 | 4xф19 | 350 | 200 |
65 | 2 1/2 | 216 | 180 | 139.7 | 105 | 15.9 | 4xф19 | 370 | 200 |
80 | 3 | 241 | 190 | 152.4 | 127 | 17.5 | 4xф19 | 385 | 250 |
100 | 4 | 292 | 230 | 190.5 | 157 | 22.3 | 8xф19 | 454 | 250 |
125 | 5 | 356 | 255 | 216 | 185.7 | 22.3 | 8xф22.5 | 472 | 355 |
150 | 6 | 406 | 280 | 241.5 | 216 | 23.9 | 8xф22.5 | 541 | 355 |
200 | 8 | 495 | 345 | 298.5 | 270 | 27 | 8xф22.5 | 590 | 450 |
250 | 10 | 622 | 405 | 362 | 324 | 28.6 | 12xф25.5 | 780 | 450 |
300 | 12 | 698 | 485 | 438 | 381 | 30.2 | 12xф25.5 | 870 | 500 |
350 | 14 | 787 | 535 | 476.3 | 413 | 33.4 | 12xф28.5 | 890 | 600 |
400 | 16 | 914 | 595 | 540 | 470 | 35 | 16xф28.5 | 1250 | 600 |
450 | 18 | 635 | 578 | 533.4 | 38.1 | 16xф32 | 610 | ||
美標(biāo)(ANSI)300LB | |||||||||
DN | DN/in | L | D | D1 | D2 | b | zxфd | H≈ | Do≈ |
15 | 1/2 | 152 | 95 | 66.7 | 35 | 12.7 | 4xф16 | 241 | 125 |
20 | 3/4 | 178 | 115 | 82.6 | 43 | 14.3 | 4xф19 | 241 | 125 |
25 | 1 | 203 | 125 | 89 | 50.8 | 15.9 | 4xф19 | 283 | 160 |
32 | 1 1/4 | 216 | 135 | 98.5 | 63.5 | 17.5 | 4xф19 | 320 | 200 |
40 | 1 1/2 | 229 | 155 | 114.3 | 73 | 19.1 | 4xф22.5 | 322 | 200 |
50 | 2 | 267 | 165 | 127 | 92.1 | 20.7 | 8xф19 | 345 | 200 |
65 | 2 1/2 | 292 | 190 | 149.2 | 104.8 | 23.9 | 8xф22.5 | 377 | 250 |
80 | 3 | 318 | 210 | 168.3 | 127 | 27 | 8xф22.5 | 464 | 280 |
100 | 4 | 356 | 255 | 200 | 157.2 | 30.2 | 8xф22.5 | 490 | 355 |
125 | 5 | 400 | 280 | 235 | 185.7 | 33.4 | 8xф22.5 | 614 | 400 |
150 | 6 | 444 | 320 | 270 | 216 | 35 | 12xф22.5 | 700 | 450 |
200 | 8 | 559 | 380 | 330.2 | 270 | 39.7 | 12xф22.5 | 772 | 500 |
250 | 10 | 622 | 445 | 387.4 | 323.8 | 46.1 | 16xф28.5 | 935 | 450 |
300 | 12 | 711 | 520 | 450.8 | 381 | 49.3 | 16xф32 | 1058 | 500 |
350 | 14 | 762 | 585 | 514.4 | 412.4 | 52.4 | 20xф32 | 1450 | 600 |
400 | 16 | 864 | 650 | 571.5 | 470 | 55.6 | 20xф35 | 1615 | 600 |
美標(biāo)(ANSI)600LB | |||||||||
DN | DN/in | L | D | D1 | D2 | b | zxфd | H≈ | Do≈ |
15 | 1/2 | 152 | 95 | 66.7 | 35 | 14.3 | 4xф16 | 245 | 156 |
20 | 3/4 | 178 | 115 | 82.6 | 43 | 15.9 | 4xф19 | 245 | 161 |
25 | 1 | 203 | 125 | 89 | 50.8 | 17.5 | 4xф19 | 290 | 187 |
32 | 1 1/4 | 216 | 135 | 98.5 | 63.5 | 20.7 | 4xф19 | 325 | 214 |
40 | 1 1/2 | 229 | 155 | 114.3 | 73 | 22.3 | 4xф22.5 | 330 | 252 |
50 | 2 | 267 | 165 | 127 | 92.1 | 25.4 | 8xф19 | 345 | 430 |
65 | 2 1/2 | 292 | 190 | 149.2 | 104.8 | 28.6 | 8xф22.5 | 365 | 480 |
80 | 3 | 318 | 210 | 168.3 | 127 | 31.8 | 8xф22.5 | 465 | 530 |
100 | 4 | 356 | 255 | 216 | 157 | 38.1 | 8xф25.5 | 520 | 650 |
125 | 5 | 400 | 280 | 266.7 | 185.7 | 44.5 | 8xф28.5 | 635 | 750 |
150 | 6 | 444 | 320 | 292.1 | 216 | 47.7 | 12xф28.5 | 763 | 850 |
200 | 8 | 559 | 380 | 349.2 | 270 | 55.6 | 12xф32 | 845 | 1050 |
250 | 10 | 622 | 445 | 431.8 | 323.8 | 63.5 | 16xф35 | 930 | 1257 |
300 | 12 | 711 | 520 | 489 | 381 | 66.7 | 20xф35 | 1010 | 1468 |
350 | 14 | 762 | 585 | 527 | 412.8 | 69.9 | 20xф38 | 1030 | 1623 |
400 | 16 | 864 | 650 | 603.2 | 470 | 76.2 | 20xф41 | 1140 | 1816 |