主要用途
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标准 STD
设计与制造 Design ａnd Manufacture | 结构长度 Face to face/ End to end | 法兰尺寸 Flange Dimension | 对焊连接尺寸Butt welding dimension | 压力-温度 Pressure Temperature Lating | 试验-检验Inspection ａnd Test |
ANSI B16.34 BS1873 | ANSI B16.10 | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 598 |
压力试验 Pressure Test
公称压力PN（Lb） | 强度试验 | 水密封试验 | 气密封试验 | |||
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Main Part Materials ａnd Property
体、盖 |
阀杆 | 密封面 | 垫片（环） | 填料 | 工作温度Working Temperature | 适用介质 |
WCB | 2Cr13 | 13Cr | 增强柔性石墨 | 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 |
主要尺寸和重量 Size Main Dimensions ａnd Weight
DN | 150Lb凸面法兰（RF） 主要尺寸Dimensions（mm） | 重量 | ||||||||
mm | in | L | D | D1 | D2 | b | n-φd | H | D0 | |
15 | 1/2 | 108 | 89 | 60.5 | 35 | 11.2 | 4-16 | 241 | 100 | 6.9 |
20 | 3/4 | 117 | 98 | 69.9 | 43 | 12.7 | 4-16 | 241 | 100 | 9.8 |
25 | 1 | 127 | 108 | 79.2 | 51 | 14.2 | 4-16 | 242 | 125 | 13.5 |
32 | 11/4 | 140 | 117 | 89 | 63 | 16 | 4-16 | 280 | 160 | 19.5 |
40 | 11/2 | 165 | 127 | 98.6 | 73 | 17.5 | 4-16 | 286 | 160 | 28.5 |
50 | 2 | 203 | 152 | 120.7 | 92 | 19 | 4-19 | 368 | 200 | 18 |
65 | 21/2 | 216 | 178 | 139.7 | 105 | 22.4 | 4-19 | 387 | 200 | 30 |
80 | 3 | 241 | 190 | 152.4 | 127 | 24 | 4-19 | 411 | 250 | 41 |
100 | 4 | 292 | 229 | 190.5 | 157 | 24 | 4-19 | 454 | 250 | 64 |
125 | 5 | 356 | 254 | 216.0 | 186 | 24 | 8-22.5 | 455 | 350 | 86 |
150 | 6 | 406 | 279 | 241.3 | 216 | 25.4 | 8-22.5 | 541 | 350 | 113 |
200 | 8 | 495 | 343 | 298.5 | 270 | 28.4 | 8-22.5 | 651 | 450 | 178 |
250 | 10 | 622 | 406 | 362.0 | 324 | 30.2 | 12-25.4 | 800 | 450 | 270 |
300 | 12 | 698 | 483 | 431.8 | 381 | 32 | 12-25.4 | 1231 | 600 | 350 |
350 | 14 | 787 | 533 | 476.3 | 413 | 35 | 12-29 | 1450 | 600 | 460 |
400 | 16 | 914 | 597 | 539.8 | 470 | 36.6 | 26-29 | 1645 | 600 | 590 |
DN | 300Lb凸面法兰（RF） 主要尺寸Dimensions（mm） | 重量 | ||||||||
15 | 1/2 | 152 | 95 | 66.5 | 35 | 14.2 | 4-16 | 241 | 140 | 7.7 |
20 | 3/4 | 178 | 117 | 82.5 | 43 | 16 | 4-19 | 241 | 140 | 11.3 |
25 | 1 | 203 | 123 | 89 | 51 | 17.5 | 4-19 | 283 | 160 | 16.8 |
32 | 11/4 | 216 | 133 | 98.5 | 63 | 19 | 4-19 | 320 | 200 | 21.2 |
40 | 11/2 | 229 | 155 | 114.3 | 73 | 20.6 | 4-22.5 | 322 | 200 | 32.6 |
50 | 2 | 267 | 165 | 127 | 92 | 22.4 | 8-19 | 399 | 200 | 25 |
65 | 21/2 | 292 | 190 | 149.4 | 105 | 25.4 | 8-22.5 | 438 | 250 | 30 |
80 | 3 | 318 | 210 | 168.1 | 127 | 28.4 | 8-22.5 | 464 | 280 | 35 |
100 | 4 | 356 | 254 | 200.2 | 157 | 31.8 | 8-22.5 | 565 | 350 | 56 |
125 | 5 | 400 | 279 | 235 | 186 | 35 | 8-22.5 | 614 | 350 | 96 |
150 | 6 | 444 | 318 | 269.7 | 216 | 36.6 | 12-25.4 | 717 | 400 | 120 |
200 | 8 | 559 | 381 | 330.2 | 270 | 41.2 | 12-25.4 | 930 | 500 | 212 |
250 | 10 | 622 | 444 | 387.4 | 324 | 47.8 | 16-28.5 | 1012 | 550 | 330 |
300 | 12 | 711 | 521 | 450.8 | 381 | 50.8 | 16-32 | 1231 |
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