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详细介绍
API美标截止阀概述：
公称通径：1 1/2"-16"
压力级Class：150-600MPa
适用介质及温度：
蒸汽、油品、水等≤425℃ 
| J41W不锈钢截止阀 | J41H铸钢法兰截止阀 | J941H电动法兰截止阀 |
| FDJ41H防盗截止阀 | JL47H平行角式高压截止阀 | J44H角式截止阀/节流阀 |
| BJ41H保温截止阀 | NKJ41H真空隔离截止阀 | J41H锻钢法兰截止阀 |
| J61H锻钢焊接截止阀 | J11H锻钢内螺纹截止阀 | J11W内螺纹不锈钢截止阀 |
| API美标截止阀 | J11F塑料螺纹截止阀 | J41F塑料法兰截止阀 |
API美标截止阀产品性能规范
| 公称压力 | 强度试验 | 水密封试验 | 气密封试验 | |||
| MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
| 150 | 3.1 | 450 | 2.2 | 315 | 0.5～0.7 | 60～100 |
| 300 | 7.8 | 1125 | 5.6 | 815 | ||
| 600 | 15.3 | 2225 | 11.2 | 1630 | ||
| 900 | 23.1 | 3350 | 16.8 | 2440 | ||
| 1500 | 38.4 | 5575 | 28.1 | 4080 | ||
| 2500 | 64.6 | 9367 | 47.1 | 6873 | ||
API美标截止阀产品性能规范主要零件材料
| 体、盖、瓣 | 阀杆 | 密封面 | 垫片（环） | 填料 | 工作温度（℃） | 适用介质 |
| WCB | 2Cr13 | 13Cr 本体材料 尼龙 | 增强柔性石墨13Cr/柔性石墨 F304 F316 F304L F316L | 柔性石墨 增强柔性石墨 | 425 | 水、蒸汽、油品 |
| WC1 | 38CrMoAl 25Cr2Mov | 450 | ||||
| WC6 | 540 | |||||
| WC9 | 570 | |||||
| C5 C12 | 540 | |||||
| CF8 | F304 | 600 | 硝酸、醋酸、尿素 | |||
| CF3 | F316 | |||||
| CF8M | F304L | |||||
| CF3M | F316L |
API美标截止阀产品性能规范主要外形和连接尺寸
| 型号 | 规格 | 尺寸 | |||||||||
| in | DN | L | D | D1 | D2 | B | Z-d | H | D0 | ||
| 150Lb | ?" | 15 | 108 | 89 | 60.5 | 35 | 12 | 4-15 | 200 | 100 | |
| ?" | 20 | 117 | 98 | 70 | 43 | 12 | 4-15 | 205 | 120 | ||
| 1" | 25 | 127 | 108 | 79.5 | 51 | 12 | 4-15 | 220 | 140 | ||
| 1?" | 32 | 140 | 117 | 89 | 64 | 13 | 4-15 | 240 | 150 | ||
| 1?" | 40 | 165 | 127 | 98.5 | 73 | 15 | 4-15 | 260 | 160 | ||
| 2" | 50 | 203 | 152 | 120.5 | 92 | 16 | 4-19 | 295 | 220 | ||
| 2?" | 65 | 216 | 178 | 139.5 | 105 | 18 | 4-19 | 325 | 220 | ||
| 3" | 80 | 241 | 190 | 152.5 | 127 | 19 | 4-19 | 360 | 240 | ||
| 4" | 100 | 292 | 229 | 190.5 | 157 | 24 | 8-19 | 420 | 280 | ||
| 5" | 125 | 256 | 254 | 216 | 186 | 24 | 8-22 | 460 | 350 | ||
| 6" | 150 | 406 | 279 | 241.5 | 216 | 26 | 8-22 | 500 | 400 | ||
| 8" | 200 | 495 | 343 | 298.5 | 270 | 29 | 8-22 | 550 | 450 | ||
| 10" | 250 | 622 | 406 | 362 | 324 | 31 | 12-25 | 650 | 500 | ||
| 12" | 300 | 698 | 483 | 432 | 381 | 32 | 12-25 | 850 | 550 | ||
| 300Lb | ?" | 15 | 152 | 95 | 66.5 | 35 | 15 | 4-15 | 220 | 120 | |
| ?" | 20 | 178 | 117 | 82.5 | 43 | 16 | 4-19 | 230 | 120 | ||
| 1" | 25 | 203 | 124 | 89 | 51 | 18 | 4-19 | 260 | 140 | ||
| 1?" | 32 | 216 | 133 | 98.5 | 64 | 19 | 4-19 | 280 | 140 | ||
| 1?" | 40 | 229 | 156 | 114.5 | 73 | 21 | 4-22 | 300 | 200 | ||
| 2" | 50 | 267 | 165 | 127 | 92 | 22 | 8-19 | 330 | 240 | ||
| 2?" | 65 | 292 | 190 | 149 | 105 | 25 | 8-22 | 360 | 240 | ||
| 3" | 80 | 318 | 210 | 168.5 | 127 | 29 | 8-22 | 400 | 280 | ||
| 4" | 100 | 356 | 254 | 200 | 157 | 32 | 8-22 | 460 | 320 | ||
| 5" | 125 | 400 | 279 | 235 | 186 | 35 | 8-22 | 500 | 400 | ||
| 6" | 150 | 444 | 318 | 270 | 216 | 37 | 12-22 | 550 | 500 | ||
| 8" | 200 | 559 | 381 | 330 | 270 | 41 | 12-25 | 600 | 550 | ||
| 10" | 250 | 622 | 445 | 387.5 | 324 | 48 | 16-29 | 700 | 600 | ||
| 12" | 300 | 711 | 521 | 451 | 381 | 51 | 16-32 | 900 | 650 | ||
| 600Lb | ?" | 15 | 165 | 95 | 66.5 | 35 | 15 | 4-15 | 220 | 120 | |
| ?" | 20 | 190 | 118 | 82.5 | 43 | 16 | 4-19 | 230 | 120 | ||
| 1" | 25 | 216 | 124 | 89 | 51 | 18 | 4-19 | 260 | 140 | ||
| 1?" | 32 | 229 | 133 | 98.5 | 64 | 21 | 4-19 | 280 | 140 | ||
| 1?" | 40 | 241 | 156 | 114.5 | 73 | 23 | 4-22 | 300 | 200 | ||
| 2" | 50 | 292 | 165 | 127 | 92 | 26 | 8-19 | 330 | 240 | ||
| 2?" | 65 | 330 | 190 | 149 | 105 | 29 | 8-22 | 400 | 240 | ||
| 3" | 80 | 356 | 210 | 168 | 127 | 32 | 8-22 | 440 | 280 | ||
| 4" | 100 | 432 | 273 | 216 | 157 | 38 | 8-25 | 500 | 350 | ||
| 5" | 125 | 508 | 330 | 266.5 | 186 | 45 | 8-29 | 550 | 400 | ||
| 6" | 150 | 559 | 356 | 292 | 216 | 48 | 12-29 | 600 | 500 | ||
| 8" | 200 | 660 | 419 | 349 | 270 | 56 | 12-32 | 650 | 550 | ||
| 10" | 250 | 787 | 508 | 432 | 324 | 64 | 16-35 | 780 | 650 | ||
| 12" | 300 | 838 | 559 | 489 | 381 | 67 | 20-35 | 980 | 70 | ||
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