cast steel gate valve
适用于 ANSI Class150~2500、PN20~42、JIS10~20K，工作温度 -29~425℃（碳钢）及 -40~500℃（不锈钢）的名种管路上，用于截断或接通管路中的介质。通过选用不同的材质，可适用于水、蒸汽、油品、硝酸、醋酸、强氧化性介质及尿素等多种介质。
性能规范 | 公称压力PN | 150 | 300 | 600 | Lb | | 壳体试验压力PT | 3 | 7.8 | 15.4 | MPa | | 高压密封试验压力 | 2.2 | 5.6 | 11.2 | | 低压气密封试验压力 | 0.5-0.7 | | 适用介质 | | 水、油品、蒸汽 | | 适用温度 | ≤425℃ |
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![]() 设计标准：API 600![]()
结构长度：ANSI B16.10![]()
法兰标准：ANSI B16.5![]()
试验标准：API 598
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主要外形尺寸和连接尺寸
[ Z41型 150Lb、300Lb、500Lb楔式闸阀 ] | 磅级Lb | 规格 | 通径 | 单位 | L | H（全开） | D | D1 | D2 | b | Z-Φd | D0 | 150Lb | 2 | 50 | in | 7.0 | 16.10 | 6.00 | 4.75 | 3.62 | 0.75 | 4-0.75 | 8.00 | mm | 178 | 409 | 152 | 120.5 | 92 | 19.1 | 4-19 | 200 | | 3 | 80 | in | 8.00 | 20.00 | 7.50 | 6.00 | 5.00 | 0.94 | 4-0.75 | 10.00 | mm | 203 | 570 | 190 | 152.5 | 127 | 23.9 | 4-19 | 250 | | 4 | 100 | in | 9.00 | 23.20 | 9.00 | 7.50 | 6.19 | 0.94 | 8-0.75 | 10.00 | mm | 229 | 590 | 229 | 190.5 | 157 | 23.9 | 8-19 | 250 | | 6 | 150 | in | 10.5 | 24.80 | 11.00 | 9.50 | 8.50 | 1.00 | 8-0.88 | 12.00 | mm | 267 | 630 | 279 | 241.5 | 216 | 25.4 | 8-22 | 300 | | 8 | 200 | in | 11.50 | 37.80 | 13.50 | 11.75 | 10.62 | 1.12 | 8-0.88 | 13.88 | mm | 292 | 960 | 343 | 298.5 | 270 | 28.5 | 8-22 | 350 | | 10 | 250 | in | 13.00 | 45.60 | 16.00 | 14.25 | 12.75 | 1.19 | 12-1.00 | 15.70 | mm | 330 | 1158 | 406 | 362 | 324 | 30.2 | 12-25 | 400 | | 12 | 300 | in | 14.00 | 54.30 | 19.00 | 17.00 | 15.00 | 1.25 | 12-1.00 | 17.00 | mm | 356 | 1378 | 483 | 432 | 381 | 31.8 | 12-25 | 450 | | 14 | 350 | in | 15.00 | 60.75 | 21.00 | 18.75 | 16.25 | 1.38 | 12-1.12 | 19.70 | mm | 381 | 1543 | 533 | 476.5 | 413 | 35 | 12-3-29 | 500 | | 16 | 400 | in | 16.00 | 68.40 | 23.50 | 21.25 | 18.50 | 1.44 | 12-1.12 | 23.00 | mm | 406 | 1738 | 597 | 539.5 | 470 | 36.6 | 16-29 | 600 | | 18 | 450 | in | 17.00 | 71.10 | 25.00 | 22.75 | 21.00 | 1.56 | 16-1.25 | 23.60 | mm | 432 | 1959 | 635 | 578 | 533 | 39.7 | 16-32 | 600 | | 20 | 500 | in | 18.00 | 87.20 | 27.50 | 25 | 23.00 | 1.69 | 20-1.25 | 26.80 | mm | 457 | 2214 | 698 | 635 | 584 | 42.9 | 20-32 | 680 | | 24 | 600 | in | 20.00 | 102.3 | 32.00 | 29.50 | 27.25 | 1.88 | 20-1.38 | 29.90 | mm | 508 | 2599 | 813 | 749.5 | 692 | 47.7 | 20-35 | 760 | | 30 | 750 | in | 24.00 | 125.3 | 38.75 | 36.00 | 33.75 | 2.94 | 28-1.38 | 36.00 | mm | 610 | 3183 | 985 | 914 | 857 | 74.5 | 28-35 | 915 | | 36 | 900 | in | 28.00 | 147.00 | 46.00 | 42.75 | 40.25 | 3.56 | 32-1.62 | 36.00 | mm | 711 | 3737 | 1170 | 1086 | 1022 | 90.5 | 32-41 | 915 |
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